ASTM A554 TP304 Welded Stainless Steel Retangular Pipe

• Type: Stainless Steel Pipes
• Standard: ASTM, AISI
• Grade: 300 Series
• Certification: ISO
• Shape: Round
• Technique: Welded
• Surface Treatment: Polished
• Usage: Construction & Decoration
• Section Shape: Rectangular
• Quality Guarantee: 100% Ut Passed
• Transport Package: Wrap with Poly Sheet
• Specification: 30-600*30-600*2.0-20mm
• Trademark: KINGMETAL
• Origin: China
• Production Capacity: 2000 Ton/Year

Product Description

ASTM A554 TP304 Welded Stainless Steel Retangular Pipe 
 

Introduction

Stainless Steel Square Tube has greater strength and superior corrosion resistance. The ISO 9001 management system ensure the high quality of the products.

Application

 

The products are used to construct high pressure and ultra high pressure power station boilers, superheated steam pipes, boiling water pipes and superheated steam pipes for locomotive boilers. Fourth, special pipe technology

Internal and external polishing (surface grade: polishing 180 #, 220 #, 240 #, 320 #, 400 #, 600 #); wire drawing; pickling; leveling of the inner bead; online bright heat treatment.

Specification

 

Name	300 Series Stainless Steel Welded High Precision Square And Rectangular 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