Product Description
304L grade stainless steel has many of the same mechanical properties of 304 stainless steel; however ,this grade is an extra low-carbon variation. It has .03% maximum carbon content which helps to remove the carbide precipitation that occurs during the welding process. Because of these characteristics, the 304L stainless steel alloy can be used in the “as welded” condition, even in highly corrosive conditions. Other than this slight variation in its composition 304L stainless steel is used is many of the same applications as 304, and tends to be as commonly found.
Chemical Formula
Carbon .03%, Manganese 2.00%, Phosphorus .045%, Sulfur .030%, Silicon .75%, Chromium 18-20.00%, Nickel 8.00-12.00%, Nitrogen-.10%, Iron- Balanced
Inventory
304L Plate, 304L Sheet, 304L Round Bar, 304L Flat Bar, 304L Equal Leg Angle, 304L Unequal Leg Angles, 304L Pipe Tube & Fittings, 304L Beam, 304L Channel, 304L Hex Bar, 304L Square Bar, 304L Square Tube, 304L Rectangular Tube
Common Trade Names
304L Stainless Steel, 304 Stainless
Features
- 304L has very good formability. Because of their low yield strength and high elongation this alloy can easily form and bend into complex shapes and figures.
- 304L, as well as 304, are the most common alloys in the stainless steel class.
- 304L stands up well in highly corrosive environments such as chemical, textile, and food industry exposures.
Applications
Although 304 can be used in most industrial applications, most commonly it can be found present in: food processing equipment, kitchen equipment, architectural paneling, railing & trim, heat exchangers, threaded fasteners, springs, braces, marine, etc.
Stainless 300/316/400series Product Xihu (West Lake) Dis.
No1/2b/Ba/8K/Mirror/Hairline/No4/Color/Perforated/Corrugated/Embossed/Decorative L 316 316L Stainless Steel Sheet and in Coil Price
The 300 series stainless steels are classified as austenitic and are hardenable only by cold working methods. These grades of stainless have approximately 18% to 30% chromium and 6% to 20% nickel as their major alloying additions. This series of stainless steel alloys are known to resist corrosion while maintaining their strength at high temperatures. While the 304 grade is the most widely used alloy of all stainless steels, the 300 series grades are inventoried in stainless steel plate, sheet, bar, pipe, tube and fittings and much more.
The 400 series group of stainless steels typically have an 11% chromium and 1% manganese increase, above the 300 series group. This stainless steel series tends to be susceptible to rust and corrosion under some conditions although heat-treating will harden them. The 400 series of stainless steels have a higher carbon content, giving it a martensitic crystalline structure that provides the end product with high-strength and high-wear resistance. The 400 series steels tend to be used in agricultural equipment, gas turbine exhaust silencers, hardware, motor shafts, and more.
STAINLESS STEEL SHEET
In our extensive line of products, we offer stainless steel sheet and stainless steel plates.
WHAT IS STAINLESS STEEL SHEET?
Stainless steel sheet is typically sold in the annealed condition and is available in most grades. Our stainless steel sheets come in both a standard 2B finish and various polished finishes. Polished surfaces range from the standard #4 to a mirrored finish #8 and are usually covered with a removable vinyl coating. Our standard sheet sizes include 4′ x 8′, 4′ x 10′, and 5′ x 10′, but customized sizes are also available. Stainless steel plate is sold in the HRAP (Hot Rolled Annealed and Pickled) condition and finishes.
HOW DO YOU CUT STAINLESS STEEL SHEET?
Like sheet, stainless steel plate comes in standard sizes varying in width from 4′ to 8′ and in length from 8′ to 20′, but can also be customized to suit the application. Stainless cut plate may be sheared in thicknesses up to 3/8″, and plasma cut in thicknesses over that. Waterjet, band-saw, or laser cutting is also available. If you can’t finThe most commonly used stainless steel alloy in the world, 304/304L stainless steel offers a great mix of strength and corrosion resistance without being overly specialized. It maintains excellent corrosion resistance in most situations outside of marine environments and maintains its properties in high temperature situations. It is typically used in aerospace, food and beverage industry, pressure containers, architectural designs and trim, cryogenic applications, and chemical processing equipment.d the size or grade that you’re looking for, feel free to contact us for assistance.
Our stainless steel sheet selection includes a number of grades, cuts, sizes, and finishes that can be customized for the job at hand. The following is a list of some of our basic sheeting information:
AVAILABLE STEEL SHEET GRADES
- 304, 304L, 316/316L, 301, 301QH, 301HH, 301FH, 302, 309, 310, 321, 330, 347, 409, 410, 430, 600, 625, 718, 15-5, 17- 4, 17-7, A286, 2205 and more!
- We offer 26 Ga to 7 Ga sheet in various widths and lengths
- We will cut to size!
- Available Finishes: 2B, #4, and #8
- Our team can plasma cut, laser-cut, or waterjet cut to your specifications
- Polishing services are also available
No inquiry is too large or too small, we specialize in locating hard to find items. If you do see what you are looking for, we would love to assist you and give you a quote today!
| Type | Stainless Steel Plate |
| Grade | 200 series: 201/202 |
| 300 series: 301/304/304L/305/309S/310S //316/316L/316LN/316Ti/317/317L/347/347H/316/316L/316LN/316Ti/317/317L/347/347H | |
| 400 series: 405/409/409L/410/420/430/440C/444/4447 | |
| 600 series: 630/631 | |
| duplex stainless steel: 2205/2507/2520 | |
| super stainless steel: 904L | |
| Thickness | 5-25mm |
| Width | 600mm, 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Surface | BA/2B/NO.1/NO.4/8K/HL |
| Black painted,PE coated,Galvanized,color coated, | |
| anti rust varnished,anti rust oiled,checkered,etc | |
| Feature | high hardness and strength |
| /100% recycled | |
| /fire resistant/wter proof/anti corrosion | |
| /high temperature resistant | |
| /easy to clean and maintain | |
| /long lifetime/durable | |
| Quality test | We can offer MTC,ISO,SGS,BV , etc |
| Payment terms | L/C T/T (30%DEPOSIT) |
| Stock or not | Enough stock |
| Sample | Free Sample |
| Application | construction field, ships building industry, |
| petroleum,chemical industries, | |
| war and electricity industries, | |
| food processing and medical industry, | |
| boiler heat exchanger, machinery and hardware fields | |
| Delivery time | Within 7-15 days |
Stainless 300series/400series Specifications
ASTM A240 B210
AMS
ASME SA-240
| Proportion of chemical composition of frequently used stainlees steel material grade | |||||||||||
| UNS | ASTM | EN | JIS | C% | Mn% | P% | S% | Si% | Cr% | Ni% | Mo% |
| S25710 | 201 | 1.4372 | SUS201 | <=0.15 | 5.5-7.5 | <=0.06 | <=0.03 | <=1.00 | 16.0-18.0 | 3.5-5.5 | — |
| S25710 | 202 | 1.4373 | SUS202 | <=0.15 | 7.5-10.0 | <=0.06 | <=0.03 | <=1.00 | 17.0-19.0 | 4.0-6.0 | — |
| S35710 | 301 | 1.4319 | SUS301 | <=0.15 | <=2.00 | <=0.045 | <=0.03 | <=1.00 | 16.0-18.0 | 6.0-8.0 | — |
| S30400 | 304 | 1.4301 | SUS304 | <=0.08 | <=2.00 | <=0.045 | <=0.03 | <=1.00 | 18.0-20.0 | 8.0-10.5 | — |
| S30403 | 304L | 1.4306 | SUS304L | <=0.03 | <=2.00 | <=0.045 | <=0.03 | <=1.00 | 18.0-20.0 | 8.0-12.0 | — |
| S3 0571 | 309S | 1.4833 | SUS309S | <=0.08 | <=2.00 | <=0.045 | <=0.03 | <=1.00 | 22.0-24.0 | 12.0-15.0 | — |
| S31008 | 310S | 1.4845 | SUS310S | <=0.08 | <=2.00 | <=0.045 | <=0.03 | <=1.50 | 24.0-26.0 | 19.0-22.0 | — |
| S31600 | 316 | 1.4401 | SUS316 | <=0.08 | <=2.00 | <=0.045 | <=0.03 | <=1.00 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| S31603 | 316L | 1.4404 | SUS316L | <=0.03 | <=2.00 | <=0.045 | <=0.03 | <=1.00 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| S31703 | 317L | 1.4438 | SUS317L | <=0.08 | <=2.00 | <=0.045 | <=0.03 | <=1.00 | 18.0-20.0 | 11.0-15.0 | 3.0-4.0 |
| S32100 | 321 | 1.4541 | SUS321 | <=0.08 | <=2.00 | <=0.045 | <=0.03 | <=1.00 | 17.0-19.0 | 9.0-12.0 | — |
| S34700 | 347 | 1.455 | SUS347 | <=0.08 | <=2.00 | <=0.045 | <=0.03 | <=1.00 | 11.5-14.5 | 9.0-13.0 | — |
| S40500 | 405 | 1.4002 | SUS405 | <=0.08 | <=1.00 | <=0.04 | <=0.03 | <=1.00 | 10.5-11.75 | <=0.06 | — |
| S40900 | 409 | 1.4512 | SUS409 | <=0.08 | <=1.00 | <=0.045 | <=0.03 | <=1.00 | 16.0-18.0 | <=0.05 | — |
| S43000 | 430 | 1.4016 | SUS430 | <=0.12 | <=1.00 | <=0.040 | <=0.03 | <=1.00 | 16.0-18.0 | <=0.06 | — |
| S43400 | 434 | 1.4113 | SUS434 | <=0.12 | <=1.00 | <=0.040 | <=0.03 | <=1.00 | 17.5-19.5 | — | — |
| S44400 | 444 | 1.4521 | SUS444L | <=0.571 | <=1.00 | <=0.040 | <=0.03 | <=1.00 | 17.5-19.5 | <=0.035 | — |
| S40300 | 403 | — | SUS403 | <=0.15 | <=1.00 | <=0.04 | <=0.03 | <=0.50 | 11.5-13.0 | <=0.06 | — |
| S410000 | 410 | 1.40006 | SUS410 | 0.08-0.15 | <=1.00 | <=0.04 | <=0.03 | <=1.00 | 11.5-13.5 | — | — |
The information provided is for standard stock product and does not encapsulate all available combinations. Please contact your nearest Steels Service Centre if non standard product is required and we will enquire about its availability through our global supply network of mills and stockists.
Stainless steel sheet, 0.45mm to less than 4.0mm – ASTM A240M
Our Steel has from years of experience determined the popular range of grades, widths and thicknesses of stock. The standard range is as follows:
| Grade | Finish | Thickness (mm) | Width (mm) | Length (mm) |
| 304 | 2B & No. 4 PE | 0.55 | 914 & 1219 | 1828 & 2438 |
| 304 | 2B & No. 4 PE | 0.7 | 914 & 1219 | 1828 & 2438 |
| 304 | 2B, 2B PE, No. 4 PE & BA PE | 0.9 | 914 & 1219 | 1828 & 2438 |
| 304 | 2B, 2B PE, No. 4 PE & BA PE | 1.2 | 914, 1219 & 1500 | 1828, 2438, 3000, 3048 & 3658 |
| 304 | 2B, 2B PE & No. 4 PE | 1.5 | 914, 1219 & 1500 | 1828, 2438, 3000, 3048 & 3658 |
| 304 | 2B, 2B PE & No. 4 PE | 1.6 | 914, 1219 & 1500 | 1828, 2438, 3000, 3048 & 3658 |
| 304 | 2B, 2B PE & No. 4 PE | 2 | 914, 1219 & 1500 | 1828, 2438, 3000, 3048 & 3658 |
| 304 | 2B, 2B PE & No. 4 PE | 2.5 | 914, 1219 & 1500 | 1828, 2438, 3000, 3048 & 3658 |
| 304 | 2B, 2B PE & No. 4 PE | 3 | 914, 1219 & 1500 | 1828, 2438, 3000, 3048 & 3658 |
| 304L | 2B & 2B PE | 4 | 1500 & 2000 | 3000 & 6000 |
| 316 | 2B | 0.55 | 1219 | 2438 |
| 316 | 2B | 0.7 | 1219 | 2438 |
| 316 | 2B | 0.9 | 1219 | 2438 |
| 316 | 2B & No. 4 PE | 1.2 | 1219 | 2438 |
| 316 | 2B & No. 4 PE | 1.5 | 1219 & 1500 | 2438, 3000 & 3658 |
| 316 | 2B & No. 4 PE | 1.6 | 1219 & 1500 | 2438, 3000 & 3658 |
| 316 | 2B & No. 4 PE | 2 | 1219 & 1500 | 2438, 3000 & 3658 |
| 316 | 2B & No. 4 PE | 2.5 | 1219 & 1500 | 2438, 3000 & 3658 |
| 316 | 2B & No. 4 PE | 3 | 1219 & 1500 | 2438, 3000 & 3658 |
| 316L | 2B & 2B PE | 4 | 1500 & 2000 | 3000 & 6000 |
| 430 | BA PE & No. 4 PE | 0.7 | 914 & 1219 | 1828 & 2438 |
| 430 | BA PE & No. 4 PE | 0.9 | 914 & 1219 | 1828 & 2438 |
| 3CR12 | 2B | 1.2 | 1250 | 2500 |
| 3CR12 | 2B | 1.6 | 1250 | 2500 |
| 3CR12 | 2B | 2 | 1250 | 2500 |
| 3CR12Ti | No. 1 | 3 | 1250 & 1500 | 2500, 3000 & 6000 |
| 3CR12 | No. 1 | 4 | 1250 & 1500 | 2500, 3000 & 6000 |
Other grades and widths
Product outside the standard range can be indented from overseas mills or stocked by special arrangement.
ZheJiang Huagang Steel Co., Ltd. is 1 of the leading manufactories with ISO 9001 certificate who is specializing in manufacturing & exporting various kinds of steel pipes, steel plate, steel coil, round bar, flat bar, angle bar, H beam and other steel products in China. We owned the complete production technique and related equipment for coking, sintering, iron, steel, steel rolling etc, also including the related energy source power system. Meanwhile, we have reached the production technique` s completeness and systematicness at the modern steel industry. The company’s annual sales amount is more than 100 million yuan.
Through the global sales network, the products sell well in domestic and foreign markets, Huagang Steel has exported steel products to over 100 countries in the world. Our products are marketed widely all over the country and exported to North American, Europe, Middle East, South American, Southeast Asia, Africa, Australia etc and get highly appreciated for our quality and service.
We now have 5 branch offices in China now, the head factory is located in ChenQiao Road, Xihu (West Lake) Dis. District, ZheJiang .We have been engaged in stainless steel business since 2009,with 12 years growth,Huagang Steel has become a competitive steel conglomerate in China.
Our company aims to provide customers with high-quality and low-price steel products and strives to create value for customers. We have advanced processing equipment and powerful logistics distribution system, which can meet customers’ various needs at any time.
We adhere to the principle of “customer first” to provide our customers with high-quality services. Our company has won the trust and praise from customers with the business advantages of complete specifications, cheap price and fast transmission, and the service concept of keeping promise and focusing on quality.
FA
Q1.Are you a manufacturer or trader?
We are a manufacturer ,and we can have our own factory produced many steel products.
Q2.Whether your company supports Trade Assurance order?
Yes , we can (100% product quality protection;100% on-time shipment protection; 100% payment protection)
Q3.Can we get the some samples?Any charges?
Yes,you can get available samples in our stock.If the samples from new production, we will charge some reasonable cost, but this amount will be deducted from your first order.
Q4.How do we build up business relations with your company ?
Send us your requirement which includes size , coating info ,parameters,quantity ,destination .
Q5.What is the MOQ?
We can accept small orders.Please feel free to contact us, we can meet your requirements.
Q6.What’s your advantage?
With high-quality products and efficient customer service, we adhere to the principle of customer first.
Screw Shaft Types
If you’re looking for a screw shaft, but aren’t sure which type to buy, you’re in luck. In this article, we’ll talk about the different types, including Threaded shank, Round head, and Machined. Once you’ve read it, you’ll know which type to buy. Then, you can decide whether you want a ball screw nut or a threaded shank.
Machined screw shafts
Besides the standard stainless steel shaft, manufacturers also provide a variety of other materials, such as titanium, bronze, and brass. In addition to stainless steel, manufacturers also provide a variety of top-coating options, including zinc, brass, and chromium. Aluminum screws are not particularly durable and are easily affected by weather. Most screw shafts feature self-locking mechanisms. They are especially useful in C-clamps, vises, and screw-top container lids.
For applications where accuracy is vital, a ball screw shaft needs to be annealed. A heat treatment can be performed on the ball screw shaft to ensure that both ends are heated evenly. In this process, the shaft will be more durable, while maintaining its high-precision properties. These screw shafts are a key component in computer-controlled motion-control systems, wire bonding, and other industries that require high-precision and high-quality performance.
Depending on the material used, screw shafts can be made of stainless steel or titanium. High-precision CNC machines and lathes are typically used to manufacture screw shafts. Various shapes and sizes are available, each with a specific application. Whether you need a small or large screw, you can find 1 to fit your needs. And since each size requires a different material, your choice of material is important as well.
In general, the materials used for machining screw shafts are steel, stainless steel, titanium, brass, bronze, and aluminum. Metals that resist corrosion are also commonly used. Other materials for screw shafts are Teflon, nylon, and nylon. You can also find threaded screw shafts in materials such as porcelain, glass, and ceramic. If you want to use your screws in a unique material, consider purchasing a customized one.
Ball screw nuts
If you have a screw shaft, the last thing you want to worry about is the ball nut slipping off. To prevent this, you can place a temporary stop in the shaft’s grooves to ensure that the ball nut does not slide off. When you remove the stop, you can then install the ball screw nut. But, before you can install the ball screw nut, you have to make sure that you have a good grip on the shaft.
When selecting ball screw nuts, it’s important to consider how much preload you need to apply to avoid excessive backlash. Preloading eliminates this problem by making the ball nut compact. It also prevents backlash, which is lost motion caused by clearance between the ball and nut. Backlash disrupts repeatability and accuracy. This is where spacer preloading comes in. You can insert a spacer between the 2 ball nuts to transmit the force to the nut. However, you should keep in mind that this method reduces the load capacity of the ball screw.
The critical speed of a screw is the maximum rotating speed before it whips. This critical speed is influenced by several factors, including the diameter of the screw shaft, the number of support elements, and the material. By adjusting these factors, you can reduce the number of components used and the amount of time it takes to assemble the screw shaft. In addition, you can also reduce the number of components and avoid stacking tolerances. However, the critical speed of plastic nuts is limited due to sliding friction.
The ball screw nut has several characteristics that make it unique. Its most prominent feature is the presence of ball bearings. These balls help reduce friction between the screw nut and the shaft. Without ball bearings, the friction would be too high to function properly. Another important characteristic is the groove profile of the nut and ball. These 2 features ensure that the ball and the nut meet at 2 points. You’ll be amazed by the results of the work of these ball screw nuts.
Threaded shank
Wood screws are usually not fully threaded because the shank has an unthreaded portion at the top. This shoulder part forces the screw to compress 2 pieces of wood, which prevents the screw from overheating and compromising the materials strength. As the screw is threaded partially up, it is not as difficult to remove as a fully threaded screw. However, it is important to note that a wood screw will not hold as tightly as 1 with a fully threaded shank.
In addition to being universal, screw threads can be of different sizes. For example, a M8 screw has a thread pitch of 1.25 mm. To avoid confusion, screw thread pitches are commonly given with a multiplication sign. For example, M8x1 means that the screw is 8 mm in diameter but has a thread pitch of 1 mm per 360-degree rotation. Those who are not familiar with these dimensions may find it confusing.
The OD of the threaded portion of a bolt is generally smaller than the OD of the nut. If the shank is too deep for the nut to fit, the threads may bottom out. This is why it’s important to use a thread-cutting bit with a small thread diameter. You can use a micrometer or caliper to measure the thread diameter. This tool will also allow you to easily identify which screw size fits where and how well.
The metric system is the most widely used. Fasteners with DIN numbers are generally metric in size. This makes them very useful for industrial settings. You can find metric-sized screws anywhere, as long as you buy them from a reputable manufacturer. These fasteners also come with a dog point, which is used for safety wire. If the screw needs to be replaced, the shank can be drilled with a hole for a safety wire or for a dog-point.
Round head
A round head screw is the most common type used for machine screws. Other common types include truss head, flat head, and hexed head. Each has a different profile and are used for different purposes. A round head screw is typically wider than a flat or a hexed head, and has a slightly rounded surface. These screws are useful for projects involving sheet metal or sheet-metal parts. Round heads are usually slightly wider than a hex head screw, and they may also be used as a substitute for washers in certain applications. However, truss heads are not necessary for every project.
A wood screw has a smooth shank that protrudes above the surface of the material it is attaching. A metal screw has a threaded shaft that is fully threaded from head to point, and a fully threaded shaft provides more bite. Two common head styles are round head and pan head. If the task requires the screw to be flush or countersunk, the round head will be the best choice.
Another type is the Reed & Prince screw drive. These are similar to Phillips screws but have a 75-degree V shape. They are commonly used in marine hardware and are also known as BNAE NFL22-070. This type is also used for steel plate hangers. In addition to round head and pan head screws, there are a variety of other screw types. You can even get a head with a slotted head if you know where to look.
Screw diameters are specified according to the ISO 261 or ISO 262 standards. An M8 screw has a diameter of 8.25 mm. The M8 screw has a pitch of 1.25 mm, which is equivalent to 1 mm per 360 degrees. There are several other standard screw sizes and thread diameters available. You can find them all by consulting the relevant standards. But remember, the metric system is the most popular.
Self-locking mechanism
A self-locking mechanism for a screw shaft is a device that secures the screw to its supporting member in a failure position. The locking mechanism provides a positive connection between the screw shaft and the control surface during normal operation, and locks the screw to its supporting member when the screw fails. Previous attempts to solve this problem have typically used secondary nuts with free play on the screw, which were intentionally designed to jam when loaded. However, such a device can be unreliable, which is why the present invention offers a more robust and reliable locking mechanism.
The self-locking function of a screw depends on several factors, including its pitch angle and the coefficient of friction of the threads. The angle of friction must be less than the tangent of the material pairing to prevent untightening of the screw. Screws with self-locking mechanisms have an efficiency e lower than 50%, which is less than half. Self-locking screws also have the benefit of being less efficient than a standard screw.
Unlike a normal screw, a self-locking screw can be turned in either direction. The nut 22 rotates with the screw shaft, and the member 23 is translated in an axial direction. Regardless of the direction of the rotation of the screw, this axial translation will result in the opposite moment to that input moment. While screw self-locking mechanisms are typically less expensive, they are more reliable and durable.
Another important feature of self-locking screws is that they are not susceptible to independent loosening. The screw cannot rotate without a certain amount of torque. In addition, a self-locking screw shaft must have a small wedge with a smaller half-angle than the arctangent of the static friction. This means that the torque applied by the driver must be greater than the torque needed to overcome the friction.
