300 series of stainless steel are used widely, most of them have a strength of corrosion resistance, heat resistance and a good chemical performance.

Specification

Grade	301 ,304 ,304L ,316 ,316L ,309 S,310 ,321
Standardl	ASTM A240, JIS G4304, G4305, GB/T 4237, GB/T 8165, BS 1449, DIN17460, DIN 17441
Thickness	0.2-10.0mm
Width	600mm min
Length	2000mm-8000mm or as customers' request
Surface	NO1,No.4,2B, BA, 6K, 8K, Hair Line with PVC

Chemical Composition

Grade	C	Si	n	P≤	S≤	Cr	Mo	Ni	Other
301	≤0.15	≤1.00	≤2.00	0.045	0.03	16-18	-	6.0	-
304	≤0.07	≤1.00	≤2.00	0.035	0.03	17-19	-	8.0	-
304L	≤0.075	≤1.00	≤2.00	0.045	0.03	17-19	-	8.0
309S	≤0.08	≤1.00	≤2.00	0.045	0.03	22-24	-	12.0	-
310	≤0.08	≤1.5	≤2.00	0.045	0.03	24-26	-	19.0	-
316	≤0.08	≤1.00	≤2.00	0.045	0.03	16-18.5	2	10.0	-
316L	≤0.03	≤1.00	≤2.00	0.045	0.03	16-18	2	10.0	-
321	≤0.12	≤1.00	≤2.00	0.045	0.03	17-19	-	9.0	Ti≥5×C

Mechanical Properties

Grade	YS(Mpa) ≥	TS (Mpa) ≥	El (%) ≥	Hardness(HV) ≤
301	200	520	40	180
304	200	520	50	165-175
304L	175	480	50	180
309S	200	520	40	180
310	200	520	40	180
316	200	520	50	180
316L	200	480	50	180
321	200	520	40	180

Our company also has our own advanced testing equipment,which can make physical testing and chemical analysis including spectral  analysis,metallographic analysis,ultrasonic testing, hardnesss testing,impact testing, bending testing, tensile testing in room tempreature and high tempreature etc.

Only yhe qualified products can be shipped to our clients.



Our quality control system as belows:

Raw material: chemical composition

Ingots: chemical composition

Forgings: UT/PT

Cold rolling: Size/ surface

Finish Goods: Mechanical properties/ CMTR/ Metallographic



Application
Oil & Gas
Food Service/Restaurant
Motorsports
Government/Military
Pumps & Valves
Machined Fabricated Components
Power Distribution
Fabricators
Aerospace
Metal Service Centers
Nuclear
Marine/Shipbuilding
Chemical Processing