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304L stainless steel strip is part of the austenitic family of stainless steel and one of the most versatile and widely used varieties of stainless strip. It is a relatively low cost stainless product and used in a variety of applications. 304 grades have excellent low temperature properties and respond well to hardening by cold working. 304 stainless steel strip grades have good welding characteristics and post weld annealing is not normally required to restore performance.

It is common practice for 304L to be dual certified as 304 and 304L. The low carbon chemistry of 304L combined with an addition of nitrogen enables 304L to meet the mechanical properties of 304.

Alloy 304/304L resists atmospheric corrosion, as well as, moderately oxidizing and reducing environments. The alloy has excellent resistance to inter-granular corrosion in the as-welded condition. Alloy 304/304L has excellent strength and toughness at cryogenic temperatures.

Alloy 304/304L is non-magnetic in the annealed condition, but can become slightly magnetic as a result of cold working or welding. It can be easily welded and processed by standard shop fabrication practices.

Chemical Composition (%) of 304L Stainless Steel Strip
Chromium Nickel Carbon Manganese Phosphorus Sulfer Silicon Nitrogen
18.0 min.-20.0 max. 8.0 min.-12.0 max. 0.030 2.00 0.045 0.030 0.75 0.10
Chemical Composition (%) of 304L Stainless Steel Strip
0.2% Offset Yield Strength, ksi Ultimate Tensile Strength, ksi Elongation in 2 inches, % Hardness, Rockwell B
25 min. 70 min. 40 min. 92 max.

304L Fabrication Data:

Alloy 304/304L can be easily welded and processed by standard shop fabrication practices.


  • Hot Forming

Working temperatures of 1652–2102°F (750–1150°C) are recommended for most hot working processes. For maximum corrosion resistance, the material should be annealed at 1900°F (1038°C) minimum and water quenched or rapidly cooled by other means after hot working.


  • Cold Forming

The alloy is quite ductile and forms easily. Cold working operations will increase the strength and hardness of the alloy and might leave it slightly magnetic.


  • Machining

Alloy 304/304L is subject to work hardening during deformation and is subject to chip breaking. The best machining results are achieved with slower speeds, heavier feeds, excellent lubrication, sharp tooling and powerful rigid equipment.

If you are interested in other Stainless Steel Strips, please click 302, 303, 304, 304L, 304H, 309, 309S, 310, 310S, 310H, 316, 316L, 317/317L, 317LMN, 321, 321H, 330, 347, 347H, 904L, 403, 405, 409, 410, 410S, 410/HT, 416, 416HT, 420, 422, 430, 440C, Duplex 2205, Duplex 2304, Duplex 2507.

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Jiangsu Zhongzhilian Steel Industry Co., Ltd., established in 2005,is a experienced manufacturer of steel products. It is located in Wuxi, one of the biggest stainless steel bases in China. The monthly production quantity is at least 10,000 Mt.Our factory covers an area of  50,000 square meters. There are five finishing rolling production lines and two hot rolling production lines as well as advanced computer-controlled automation systems. The whole set of machines and equipment are imported from Japan and Germany which guarantee the stable quality of our products. Moreover, to meet the increasingly high standard of the market, we keep introducing ...

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