Welding Round Large Diameter Stainless Steel Pipes DIN17455 / 17457 1.4301 1.4307

Name

Stainless Steel Pipe

Pipe Type

Longitude Welding Pipe

Standard

DIN17455  DIN17457

Material Grade

1.4301,1.4307 1.4401,1.4404

Brand Name

KORER

Delivery Condition

Bright Annealing

Grade

Chemical Composition(%)

Remark

C≤

Mn≤

P≤

S≤

Si≤

Cr

Ni

Mo

N

Cu

1.4301

0.07

2

0.045

0.015

1

17.0~19.0

8.0~10.50

0~0.1

1.4307

0.03

2

0.045

0.015

1

17.5~19.5

8.0~10.0

0~0.1

1.4401

0.07

2

0.045

0.015

1

16.5~18.5

10.0~13.00

2.0~2.5

0~0.1

1.4404

0.03

2

0.045

0.015

1

16.5~18.5

10.0~13.00

2.0~2.5

0~0.1

Germanic standards:

DIN17455:General purpose welded circular stainless steel tubes

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

American standards:

ASTM A249: Standard specification for welded austenitic steel boiler,superheater, heat-exchanger and condenser tubes.

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

ASTM A688:Standard specification for welded austenitic stainless steel feedwater heater tubes.

ASTM A554:Standard specification for welded stainless steel mechanical tubing.

ASTM A268:Specification for seamless and welded Ferritic/Martensitic stainless steel tubing for General Service

ASTM A789:Specification for seamless and welded Ferritic/Austenitic stainless steel tubing for General Service

ASTM A312:Seamless/Welded austenitic stainless steel pipe

European Standard:

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

1)Product Name:Stainless Steel Pipes

2)Standard:DIN17455  DIN17457

3)Material Grade:1.4301,1.4307 1.4401,1.4404

4)Outer Diameter:6mm-400mm

5)Wall Thickness:0.3mm – 10mm

6)Length:Depends on Customers’ Request

7)Tolerance:According to DIN17455  DIN17457 and ISO 1127

8)Leakage Test:ET  Or  Hydraulic Test Or Air Pressure Test Under Water

9)Main  process:Welding,