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Alloy Steel Seamless Pipes and Tubes

Tianjin Wanlei Steel Pipe supply Alloy seamless and welded steel pipe, ASTM A335 for high temperature service, steel grade P1/P2/P5/P9/P11/P91

Description

Seamless alloy steel pipe and tube

ASTM A335

--- Application: For high temperature service

Chemical and mechanical properties

1. Grade and Chemical Composition (%)

Grade

UNS

Desig-

ation

C

Mn

P≤

S≤

Si

Cr≤

Mo

Ni≤

V

N

Al≤

Cb

P1

K11522

0.10-

0.20

0.30-

0.80

0.025

0.025

0.10-

0.50

-

0.44-

0.65

-

-




P2

K11547

0.10-

0.20

0.30-

0.61

0.025

0.025

0.10-

0.30

0.50-

0.81

0.44-

0.65

-

-




P5

K41545

≤0.15

0.30-

0.60

0.025

0.025

≤0.50

4.00-

6.00

0.45-

0.65

-

-




P9

S50400

≤0.15

0.30-

0.60

0.025

0.025

0.25-

1.00

8.00-

10.00

0.90-

1.10

-

-




P11

K11597

0.05-

0.15

0.30-

0.60

0.025

0.025

0.50-

1.00

1.00-

1.50

0.44-

0.65

-

-




P91

K91560

0.08-

0.12

0.30-

0.60

0.020

0.010

0.20-

0.50

8.00-

9.50

0.85-

1.05

0.40

0.18-

0.25

0.03-

0.07

0.04

0.06-

0.10

2. Mechanical Properties:

Grade

Tensile Strength, min Ksi (Mpa)

Yield Strength, min Ksi (Mpa)

P1, P2

55 (380)

30 (205)

P5, P9, P11

60 (415)

30 (205)

P91

90 (620)

64 (440)

Available Size for ASTM A335 alloy seamless steel pipe

1.Outer diameter range: 1/8 inch to 36 inch

2.Thickness range: SCH10~SCH160, SCHSTD, SCHXS, SCHXXS

3.Unit length: 3m, 5.8m, 6m, 11.8m, 12m or as per customers  request

Ends and packing
End type: plain ends, bevel ends, screw thread, grooved.
Ends packing: plastic caps for 1/8  to 24 , ends protector for larger size.
Surface: varnish painting, galvanized, anti-corrosion(3LPE, 3PP......)

Inspection and Test
Chemical Composition Inspection, Mechanical Properties Test (Tensile Strength, Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test, No-destructive Test, Hydraulic Test.

1. Visual inspection for ASTM A335 alloy seamless steel pipe

2. Performance detection for ASTM A335 alloy seamless steel pipe

Application of ASTM A335 alloy seamless steel pipe

1.Industrial boilers

2.Power plants

3.Nuclear plants


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