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Seamless Alloy Steel Tube

Type: Alloy Pipe, Alloy Tube, Alloy Steel Pipe, Alloy Steel Tube
Application:
 In Petroleum, Aerospace, Chemical, Power, Boilers, Military Industry

Specification: Outside Diameter: 1/8'' ~ 26''
                          Wall Thickness: SCH 30, 30, 40, 60, 80, 120, 140, 160, XS, XXS, STD
                          Length: Single Random, Double Random, Cut Length max to 23m
Standard & Grade: 
ASTM A333, A335 P5/P9/P11/P22/P91, DIN 17175, JIS G3458

End: Plain End, Beveled End, Thread End

Packing:Bundled with Hemp Rope/In Bulk

               

Alloy pipe is a kind of seamless steel pipe, its performance is much higher than that of general seamless steel pipe, because this type of steel pipe contains more Cr, its high temperature resistance, low temperature resistance, corrosion resistance performance is much better than  other Steel pipe , so the alloy pipe is widely used in petroleum, aerospace, chemical, electric power, boiler, military and other industries.

 

Product

SEAMLESS / ERW / SAW ALLOY STEEL PIPE

Dimension

6 mm - 1080 mm

Thickness

1mm - 135 mm

Length

3 m - 12 m or according to the requirements of clients

Standard

ASTM GB DIN

Steel grade

A106/53/179/214/192/210 A/B/C

ST37.2/35.4/35.8/52/52.3/52.4/42/45

10# 20# 45#

P2, P12, P11, P22, P5, P9, P91 

T2, T11,T5,T9,T22, 4140, 12CrMo, 15CrMo, 12Cr2Mo, 1Cr5Mo, 2CrMo4, 1Cr9Mo, 10CrMo910, etc.  

Trade terms

FOB/CIF/CFR

Payment terms

T/T, L/C

Delivery port

Tianjin, China

Delivery time

10 or according to the real quantity of the tubes

 

 

Surface treatment

Black painting

Varnish painting

3PE

Hot galvanized

or other coating according to your requirements

Bare tube

End of tubes

Beveled, plain, thread, plastic caps

Inspection

Ultrasonic examination, eddy inspection, hydrosttic testing etc.

Package

Bundles, lossen or according to your requirements

Certificate

API 5L/5CT, ISO, PED etc.

Chemical  Composition

C, %

Mn, %

P, %

S, %

Si, %

Cr, %

Mo, %

0.05-0.15

0.30-0.60

0.025 max

0.025 max

0.50-1.00

1.00-1.50

0.44-0.65

 

Mechanical Properties

Tensile Strength, MPa

Yield Strength, MPa

Elongation, %

415 min

205 min

30 min

 

Outside Diameter & Tolerance

ASTM A450

Hot rolled

Outside Diameter, mm

Tolerance, mm

OD101.6

+0.4/-0.8

101.6OD190.5

+0.4/-1.2

190.5OD228.6

+0.4/-1.6

Cold Drawn

Outside Diameter, mm

Tolerance, mm

OD25.4

±0.10

25.4OD38.1

±0.15

38.1OD50.8

±0.20

50.8OD63.5

±0.25

63.5OD76.2

±0.30

76.2OD101.6

±0.38

101.6OD190.5

+0.38/-0.64

190.5OD228.6

+0.38/-1.14

ASTM A530 & ASTM A335

NPS

Outside Diameter, inch

Tolerance, mm

1/8OD1-1/2

±0.40

1-1/2OD4

±0.79

4OD8

+1.59/-0.79

8OD12

+2.38/-0.79

OD>12

±1%

 

 

Wall thickness & Tolerance

ASTM A450

Hot rolled

Outside Diameter, mm

Tolerance, %

OD101.6, WT2.4

+40/-0

OD101.6, 2.4WT3.8

+35/-0

OD101.6, 3.8WT4.6

+33/-0

OD101.6, WT>4.6

+28/-0

OD>101.6, 2.4WT3.8

+35/-0

OD>101.6, 3.8WT4.6

+33/-0

OD>101.6, WT>4.6

+28/-0

Cold Drawn

Outside Diameter, mm

Tolerance, %

OD38.1

+20/-0

OD>38.1

+22/-0

ASTM A530

NPS

Outside Diameter, inch

Tolerance, %

1/8OD2-1/2

+20.0/-12.5

3OD18, WT/OD5%

+22.5/-12.5

3OD18, WT/OD>5%

+15.0/-12.5

OD20, WT/OD5%

+22.5/-12.5

OD20, WT/OD>5%

+15.0/-12.5

Standard

ASTM A335--for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

ASTM A519--for Seamless Carbon and Alloy Steel Mechanical Tubing

ASTM A213--for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

ASTM ASME (S)A-335/(S)A-335M Grade and Chemical Composition

Grade

UNS

C

Mn

P

S

Si

Cr

Mo

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

0.44~0.65

P5b

K51545

0.15

0.30~0.60

0.025

0.025

1.00~2.00

4.00~6.00

0.44~0.65

P5c

K41245

0.12

0.30~0.60

0.025

0.025

0.50

4.00~6.00

0.44~0.65

P9

S50400

0.15

0.30~0.60

0.025

0.025

0.50~1.00

8.00~10.00

0.44~0.65

P11

K11597

0.05~0.15

0.30~0.61

0.025

0.025

0.50~1.00

1.00~1.50

0.44~0.65

P12

K11562

0.05~0.15

0.30~0.60

0.025

0.025

0.50

0.80~1.25

0.44~0.65

P15

K11578

0.05~0.15

0.30~0.60

0.025

0.025

1.15~1.65

-

0.44~0.65

P21

K31545

0.05~0.15

0.30~0.60

0.025

0.025

0.50

2.65~3.35

0.80~1.60

P22

K21590

0.05~0.15

0.30~0.60

0.025

0.025

0.50

1.90~2.60

0.87~1.13

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

P92

K92460

0.07~0.13

0.30~0.60

0.020

0.010

0.50

8.50~9.50

0.30~0.60

Note: (S)A335 P91 other chemical composition are : V 0.18~0.25; N 0.030~0.070; Ni 0.40; Al 0.04 ; Nb 0.06~0.10

(S)A335 P92 other chemical composition are : V 0.15~0.25; N 0.030~0.070; Ni 0.40; Al 0.04 ; Nb 0.04~0.09; W 1.5~2.00 ; B 0.001~0.006

Black coating , oil/varnish ,FBE,2PE,3PE, galvanized etc Packaging Detail: Packing in bundles or for the client's requirement