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Standard Stainless Steel 304/304L Plate

Standard Stainless Steel 304/304L (UNS S30400/S30403 / W.Nr. 1.4301/1.4307) is the most versatile and widely used austenitic stainless steel plate. Featuring an 18% chromium and 8% nickel composition, it delivers excellent formability, deep-drawing capabilities, and superior atmospheric corrosion resistance. The low-carbon 304L variant prevents carbide precipitation during welding for heavy-gauge structural applications.

Main Material: Standard Stainless Steel 304 / 304L (UNS S30400 / S30403 / 1.4301 / 1.4307)
Form: Hot-Rolled Plate (HR), Cold-Rolled Sheet (CR), Strip & Cut-to-size Sheets
Standards: ASTM A240, ASME SA240, EN 10088-2, EN 10028-7
Key Feature: Outstanding general corrosion resistance, high ductility, and dual-certified 304/304L composition

Product Detail

Standard Stainless Steel 304/304L (UNS S30400 / S30403) plates and sheets are extensively used across food processing, chemical storage tanks, architectural structures, and pressure vessels. Dual certification as 304/304L guarantees both the higher strength of 304 and the low-carbon grain-boundary corrosion resistance of 304L, making it ideal for welded assemblies exposed to moderate chemical or atmospheric environments.

304/304L Plate & Sheet Manufacturing Specification

Product Form	Thickness Range	Standard Width	Standard Length
Cold-Rolled Sheet (CR)	0.3mm – 6.0mm	1000mm / 1220mm / 1500mm	2000mm / 2440mm / 3000mm
Hot-Rolled Plate (HR)	3.0mm – 100.0mm	1500mm / 2000mm / 2500mm	6000mm / Cut-to-size
Strip / Coil	0.1mm – 3.0mm	10mm – 1250mm	Continuous Coil / Customized

Chemical Composition of 304 / 304L Stainless Steel (%)

Grade	C	Mn	Si	P	S	Cr	Ni	N
304	≤ 0.07	≤ 2.00	≤ 0.75	≤ 0.045	≤ 0.030	17.5 – 19.5	8.00 – 10.5	≤ 0.10
304L	≤ 0.030	≤ 2.00	≤ 0.75	≤ 0.045	≤ 0.030	17.5 – 19.5	8.00 – 12.0	≤ 0.10