304 201 Stainless steel welded square pipe China Stainless Steel Pipe Manufacturers

Normal Sizes Selling 

Square Pipes
6.5*6.5	10*10	12*12	14*14	16*16	18*18
19*19	20*20	22*22	23*23	25*25	28*28
30*30	35*35	36*36	44.45*44.45	50*50	80*180

 

Name	Stainless steel welded Square pipes
Standard	ASTM A554,A312,A249,A269 and A270
Material Grade	304,316,201,202,316L,430
Main Material	a) 201 (Ni0.8%-1%) b) 202 (Ni: 3.5%-4.5%) c) 304 (Ni: 8% Cr: 18%) d) 316 (Ni: 10% Cr: 18%)
Size Range	we can also accept sizes above mm
Thickness	1.0mm
Length	as customers’ request
Tolerance	a)Outer Diameter; +/-0.2mm
	b)Thickness; +/-0.02mm
	c)Length;+/-5mm
Surface	180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or 800G Mirror finish
Application	bathroom handle
Test	Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
Chemical Composition of Material	Composition	201	202	304	316	430
	C	≤0.15	≤0.15	≤0.08	≤0.08	≤0.12
	Si	≤1,00	≤1,00	≤1,00	≤1.00	≤1.00
	Mn	5.5-7.5	7.5-10	≤2.00	≤2.00	≤1.00
	P	≤0.06	≤0.06	≤0.045	≤0.045	≤0.040
	S	≤0.03	≤0.03	≤0.030	≤0.030	≤0.030
	Cr	12.5-14.5	15-18	18-20	16-18	16-18
	Ni	0.8-1.5	4-6	8-10.5	10-14
	Mo				2.0-3.0