Tianjin Zhongyuanyuanda Steel Co.,Ltd.

[Province: Tianjin ]

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cold rolled stainless steel tube

Trade Term:	FOB
Payment Terms:	T/T

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Basic Info.

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Name	Stainless Steel Round Tube / Pipe
Standard	ASTM A312, A249,A269 and A270,A554
Material Grade	201,202,304,316,316L,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	9mm-219mm
Thickness	0.3mm - 3.0mm
Length	6m or tailored length
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	Decoration construction, upholstery, industry instrument,Food stuff, Sanitation
Test	Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
Chemical Composition of Material	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	16-18	17-19	18-20	16-18	16-18
	N	3.5-5.5	4-6	8-10.5	10-14
	Mo				2.0-3.0
Mechanical Property	Material Item		201	202	304	316
	Tensile Strength		≥535	≥520	≥520	≥520
	Yield Strength		≥245	≥205	≥205	≥205
	Extension		≥30%	≥30%	≥35%	≥35%
	Hardness (HV)		<253	<253	<200	<200