Wenzhou Zhongyuan Steel Industrial Co.,Ltd

[Province: Zhejiang ]

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Thin Wall Stainless Steel Tube

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ASTM A213 SS201 SS304 SS304L SS316L Seamless Heat Exchanger Tube

Standard: JIS , AISI , ASTM , GB , DIN , EN

Material: 304/304L , 316/316L , 309S , 321 , 347 etc.

Size: 20mm to 1000mm

Wall Thickness: 1mm to 12mm

Surface Treatment: Polished / Pickled

Type Of Pipe: Welded

Standard	ASTM A554, A249, A269 and A270, A312/DIN11850
Material Grade	201 ( Ni 0.8%-1.2%), 202 (Ni 3.5%~4.5%), 301(Ni 5%) 304 (Ni 8%, Cr 18%), 304L(Ni8,Cr18 with low carbon) 316 (Ni 10%, Cr 18%), 316L (Ni10%~14% CR:18% with low carbon),
Outer Diameter	ROUND :6mm—219mm SQUARE:10MMX10MM-100MMX100MM/RECTANGUALR:5MMX10MM-50MMX100MM
Thickness	0.25mm - 3.0mm
Length	6m or as customers' request
Tolerance	a) Outer Diameter: +/- 0.2mm
	b) Thickness: +/- 0.02mm
	c) Length: +/- 5mm
Surface	Satin / Hairline/180G/320G/400G/600G(MirrorFinished)
Application	Decoration Structure, upholstery, industry instrument
Test	ULTRASONIC THICKNESS METER ,EXPANSION TEST, EDDY TEST ETC.
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