Polished Or Grind Welding Stainless Steel Tube 201 202 304 316L SS Pipes

Name

Welding SS Tube

Material Grade

201 / 202 / 304 / 316L

Standard

ASTM / DIN / EN

Delivery Condition

Polish Or Grind Surface

Brand Name

KORER

Application

Construction Industry

OD

6mm – 101.6mm

WT

0.3mm – 3.5mm

Pipe Surface:

Polish  Surface:180# / 320# / 400# / 600# Polish Or Mirror Polish.

Satin Finish Surface: 180# / 320# / 400# Grind Finish.

Mill Finish Surface:2B Finish Of the Stainless Steel Bright Coil.

A554 Standard specification for welded stainless steel mechanical tubing

Item

Contents

Requirements

1

Materail

TP 201, TP202, TP304, TP304L, TP304H, TP310S, TP316, TP316L, TP316Ti, TP316H, TP317L, TP321

2

Welding Method

TIG

3

Chemical Composition

Acc.to A688 and A480

4

Heat Treatment

Bright Annealing Or Not Annealing

5

Straightness

0.76mm/900mm

6

Tolerance

OD A554, WT 10%

7

Mechanical Property

Tension Test,Hardness Test

8

Surface

2B Finish, 180# - 600#polish, Mirror Polish                      180# - 400#grind

Grade

Chemical Composition(%)

Remark

C≤

Mn≤

P≤

S≤

Si≤

Cr

Ni

Mo

N

Cu

201

0.15

5.5~7.5

0.06

0.03

1.00

16.0~18.0

3.5~5.5

0.25

202

0.15

7.5~10.0

0.06

0.03

1.00

17.0~19.0

4.0~6.0

304

0.08

2.00

0.045

0.030

0.75