| Customization: | Available |
|---|---|
| Standard: | ASTM, AISI, GB, JIS, DIN, EN |
| Grade: | 300 Series |
|
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300 Series stainless steels are classified as austenitic, and are hardenable only by cold working methods. These grades of stainless have chromium (approx. 18 to 30%) and nickel (approx. 6 to 20%) as their major alloying additions. Type 304 is the most widely used alloy of all stainless steels. 300 Series Stainless steel alloys resist corrosion, maintain their strength at high temperatures and are easy to maintain.
Type 304/304L is the modern version of "18-8" stainless steel containing approximately 18% chromium and 8% nickel and is the most commonly specified stainless steel used throughout the world. Type 304/304L is a versatile, general purpose stainless steel with good resistance to atmospheric corrosion, and to many chemicals and food and beverages. These grades can be specified in the annealed condition where they have very good formability. Higher nickel versions can be specified to enhance multi-stage deep drawing characteristics. Higher strength, cold-worked conditions can also be specified for Type 304/304L for spring type applications. Type 304/304L is non-magnetic in the annealed condition but may become slightly magnetic as a result of cold working.
Type 304L can be dual certified as 304 when the composition meets the lower carbon limit of 304L and the slightly higher strength levels of 304. Type 304L should be specified for welded applications as the low carbon version eliminates chromium carbide precipitation and enhances the corrosion resistance in the as-welded condition.
Another common material Stainless steel 316/316L Grade :
Alloy 316/316L is molybdenum-bearing austenitic stainless steel. The higher nickel and molybdenum content in this grade allows it to demonstrate better overall corrosion resistant properties than 304, especially with regard to pitting and crevice corrosion in chloride environments. In addition, Alloy 316/ 316L provides excellent elevated temperature tensile, creep and stress-rupture strengths, as well as outstanding formability and weldability. 316L is the lower carbon version of 316 and is immune from sensitization; therefore, it is very frequently used in heavy gauge welded components.
Specifications: UNS S31600 / S31603
Chemical Composition (wt%) limits as specified in ASTM A240 and ASME SA240*
Mechanical property requirements for annealed product as specified in ASTM A240 and ASME SA240
| Item | Description |
| Standard | ASTM A240 / AISI / DIN / JIS / GB |
Grade |
201/202 |
| 304/304L/304H/309S/310S/316L/316Ti/317L/321//S31803/S32205/904L | |
| 409L/410S/420J1/J2/430 439 441 444 446 | |
| Thickness | 0.3-6.0mm for cold sheet scope; 3.0-100mm for hot rolled scope |
| Width&Length | 1000mm/1219mm/1500mm/1800mm/2000mm |
| Length from cutting, as requirement | |
| Surface | Mill surface: 2B/BA/No.1 |
| Processing surface: 8k mirror/Hairline/No.4 Satin/Bead blast/Color etched | |
| Protection | Transparent film/ Blue fulm/PVC film or laser film |
| Package | Standard export package with metal pallet + angle bar protection + |
| Processing | Edging/Laser(Plasma/Water Jet) cutting/Leveling/Slitting |
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