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GB/T9948 12CrMo Seamless Steel Tubes For Petrleum Cracking

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Payment Type:

L/C,T/T,D/P,Paypal,Money Gram,Western Union

Incoterm:

FOB,CFR,CIF,FCA,CPT

Min. Order:

3 Bag/Bags

Transportation:

Ocean,Land,Air

Port:

ShangHai,NingBo,Foshan

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Product Description

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery

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Overview

Product Attributes

Model No.: GB/T9948

Brand: TORICH

Supply Ability & Additional Information

Packaging: In plywood case,In wooden box.

Productivity: 50000tons/year

Transportation: Ocean,Land,Air

Place of Origin: CHINA

Supply Ability: 50000tons/year

Certificate: ISO9001 ISO14001

Port: ShangHai,NingBo,Foshan

Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union

Incoterm: FOB,CFR,CIF,FCA,CPT

Packaging & Delivery

Selling Units:: Bag/Bags

Package Type:: In plywood case,In wooden box.

GB 9948-2013 Seamless Steel Tubes for Petroleum Cracking

China leading manufacturers and suppliers of Honed Tube, and we are specialize in High Precision Honed Tube, Honing Hydraulic Cylinder Tube, Carbon Steel Honed Tube, etc.

Table1 The Tolerances of Outer Diameter and Wall Thickness Unit:mm

Sort Code	Manufacuring Method	Nominal Size		Tolerances
				Common Level	High Level
W-H	Hot Rolling (Extrusion)	Outer Diameter D	≤54	±0.50	±0.30
			＞54~325	±1%D	±0.75%D
			＞325	±1%D	-
		Wall Thicknass S	≤20	+15%S -10%S	±10%S
			＞20	+12.5%S -10%S	±10%S
	Hot Expand	Outer Diameter D	All	±1%D
		Wall Thicknass S	All	±15%S
W-C	Cold Drawn(Rolling)	Outer Diameter D	≤25.4	±0.15
			＞25.4~40	±0.20
			＞40~50	±0.25
			＞50~60	±0.30
			＞60	±0.75%D	±0.5%D
		Wall Thicknass S	≤3.0	±0.3	±0.2
			＞3.0	±10%S	±7.5%S

Honed Tube,High Precision Honed Tube,Honing Hydraulic Cylinder Tube,Carbon Steel Honed Tube

Table3 Steel grade and chemical composition

Steel grade

Chemical composition %

≤

0.07~

0.13

0.17~

0.37

0.35~

0.65

≤0.15

≤

0.25

≤0.08

≤0.20

0.025

0.015

0.17~

0.23

0.17~

0.37

0.35~

0.65

≤0.25

≤0.15

≤

0.25

≤0.08

≤0.20

0.025

0.015

12CrMo

0.08~

0.15

0.17~

0.37

0.40~

0.70

0.40~

0.70

0.40~

0.55

≤

0.30

≤0.20

0.025

0.015

15CrMo

0.12~

0.018

0.17~

0.37

0.40~

0.70

0.80~

1.10

0.40~

0.55

≤

0.30

≤0.20

0.025

0.015

12CrlMo

0.08~

0.15

0.50~

1.00

0.30~

0.60

1.00~

1.50

0.45~

0.65

≤

0.30

≤0.20

0.025

0.015

12CrlMoV

0.08~

0.15

0.17~

0.37

0.40~

0.70

0.90~

1.20

0.25~

0.35

≤

0.30

0.15~

0.30

≤0.20

0.025

0.015

12Cr2Mo

0.08~

0.15

≤0.50

0.40~

0.60

2.00~

2.50

0.90~

1.13

≤

0.30

≤0.20

0.025

0.015

12Cr5MoI

12Cr5MoNT

≤

0.15

≤0.50

0.30~

0.60

4.00~

6.00

0.45~

0.60

≤

0.60

≤0.20

0.025

0.015

12Cr9MoI

12Cr9MoNT

≤

0.15

0.25~

1.00

0.30~

0.60

8.00~

10.00

0.90~

1.10

≤

0.60

≤0.20

0.025

0.015

07Cr19Ni10

0.04~

0.10

≤

1.00

≤2.00

18.00~

20.00

8.00~

11.00

0.030

0.015

07Cr18Ni11Nb

0.04~

0.10

≤

1.00

≤2.00

17.00~

19.00

9.00~

12.00

8C~

1.10

0.030

0.015

07Cr19Ni11NTi

0.04~

0.10

≤0.75

≤2.00

17.00~

20.00

9.00~

13.00

4C~

0.60

0.030

0.015

022Cr17Ni12Mo2

≤

0.30

≤1.00

≤2.00

16.00~

18.00

2.00~

3.00

10.00~

14.00

0.030

0.015

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