21 mm Polish 400 Guardrail Steel 201 Stainless Steel Pipe 304 for Fence

• Type: Welded
• Technique: ERW
• Material: Stainless Steel
• Surface Treatment: Polished
• Usage: Pipeline Transport, Machinery Industry, Chemical Industry, Mining, Special Purpose
• Section Shape: Round
• Model NO.: WAN125
• Name: Fence Pipe/ Decorative Pipe
• Grade: 304, 304L, 316, 316L, 317, 309, 202, 312, 310, 347
• Brand: Bao Steel
• Quality: Good Quality
• Staindard: ASTM A554
• Size: 21mm
• Transport Package: in Bundles or Wooden Box
• Specification: according to the requirment
• Trademark: Kingmetal
• Origin: China
• HS Code: 73061100
• Production Capacity: 1000 Ton/Month

Product Description

We can control the tolerance as following :

OD:±0.05 -0.08mm ,WT±0.05-0.08mm .L :±0.05mm ///

Sanitary pipe tube :
production standard ASTM A270 / DIN 11850 / SMS3008 
Material: 304,304L, 316, 316L
seamlss or welded
OD33.4MM-- 114.3MM,WT 1 MM-2MM ,


 

Name	Stainless Steel Pipe
Standard	GB12770,GB12771,ASTM A249,ASTM A269,ASTMA270,ASTMA312,ASTMA554,JIS G 3463
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%)
Thickness	0.5-2.0mm
Length	15x15,18x18,20x20,23.5x23.5  or as customers' request
Tolerance	a)Outer Diameter; +/-0.2mm
	b)Thickness; +/-0.03mm
	c)Length;+/-5mm
Surface	180G, 320G, 400G Satin / Hairline
	400G, 500G, 600G or 800G Mirror finish
Application	Electronics
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	46	8-10.5	1014
	Mo				2.0-3.0
Mechanical Proper	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

what we do of steel pipes ?

GUANGZHOU KINGMETAL STEEL INDUSTRY CO., LTD. is an Industry Group Company. It is a professional company in designing,
producing and selling steel pipe, pipe fittings, flanges, valves . We have our own big factories with modern machine line to make high
quality products, which is mainly to be exported to oversea markets.
We are pure-hearted and awaiting for your kind attention to our company...