Name

Welding Stainless Steel Tube

Grade

TP321 / 1.4541 / X6CrNiTi18-10

Standard

ASTM A269 / DIN17457 /EN10217-7

Delivery Condition

Bright Annealing Or Anneal and Pickled

Brand Name

KORER

Application

Chemical Industry

OD

6mm – 1000mm

WT

0.6mm – 20mm

Grade

Chemical Composition(%)

Remark

C≤

Mn≤

P≤

S≤

Si≤

Cr

Ni

Mo

N

Cu

321

0.08

2.00

0.045

0.030

0.75

17.0~19.0

9.0~12.0

0~0.1

Ti≥5×(C+N),≤0.70

1.4541

0.08

2

0.045

0.015

1

17.0~19.0

9.0~12.00

Ti≥5×C,≤0.70

X6CrNiTi18-10

0.08

2

0.045

0.015

1

17.0~19.0

9.0~12.00

Ti≥5×C,≤0.70

Germanic standards:

DIN17457: Welded circular austenitic stainless steel tubes subject to special requirements; technical delivery conditions

American standards:

ASTM A269:Standard specification for welded austenitic stainless steel tubing for general service

European Standard:

EN 10217-7:Welded Steel Tubes for pressure purposes-Part 7 Stainless steel tubes

A269 Standard specification for welded austenitic stainless steel tubing for general service

Item

Contents

Requirements

1

Materail

TP304, TP304L, TP304H, TP310S, TP316, TP316L, TP316Ti, TP316H, TP317L, TP321

2

Welding Method

TIG

3

Chemical Composition

Acc.to A269 and A480

4

Heat Treatment

Bright Annealing temperature 1040℃

5

Straightness

Acc.to the buyer\'s requirements

6

Tolerance

Acc.to A269 Table 3

7

Mechanical Property

Flange Test, Reverse-Bend Test, Hardness Test, Hydrostatic or Other Nondestructive Test, Tension Test

8

Intergranular Corrosion

Supplement requirements - Acc.to the Buyer\'s demand