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Structure Tube

Standard: GB/T8162-1999, ASTM A53, ASTM A106, ASTM A500-98, ASTM A501-98, ASTM A519-98, JIS G3441-1994, JIS G3444-1994, BS EN 10210-1
Application: Used in the general structure and the mechanism, including construction, machinery, transportation, aviation, petroleum mining and each kind of structural tubes

Size: OD: 114mm-914mm;WT: 4mm-60mm;LENGTH: 5.8/6/11.8/12m

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Description

Seamless Pipe For Structure (GB/T8162-2008) Is Used For The General Structure And Mechanical Structure Of The Seamless Pipe.Seamless Steel Tube Is Divided Into A Variety Of Different Uses.

Stainless Steel Seamless Pipe For Structure (GB/T14975-2002) Is A Hot-Rolled (Extruded, Expanded) And Cold-Drawn (Rolled) Seamless Pipe Made Of Stainless Steel Used In Chemical, Petroleum, Textile, Medical, Food, Machinery And Other Industries, Corrosion-Resistant Pipes And Structural Parts And Components.

GB/T8162-2008 (Seamless Pipe For Structure) Is Mainly Used For General Structure And Mechanical Structure.Its Representative Material (Brand) : Carbon Steel 20, 45 Steel, Q235, Alloy Steel Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo And So On.

Seamless Steel Pipe

Because Of Its Manufacturing Process Is Different, It Is Divided Into Hot Rolled (Extruded) Seamless Steel Tube And Cold Drawn (Rolled) Seamless Steel Tube Two Kinds.Cold-Drawn (Rolled) Pipe Is Divided Into Circular Pipe And Special-Shaped Pipe Two Kinds.

Product name

Manufacturing method

Main features and applications

Carbon Steel Pipe for Machine Structures

These products normally conform to JIS G 3445 Carbon Steel Tubes for Machine Structural Purposes. 
We also manufacture such carbon steel pipe products using materials that conform to JIS G 4051 Steel for Machine Structural Purposes, as well as to other standards and specifications.

These steel pipe products are used in machines, automobiles, bicycles, furniture, tools and utensils, and other machine parts.

Alloy Steel Pipe for Machine Structures

These products normally conform to JIS G 3441 Alloy Steel Tubes for Machine Structure Purposes, but we also manufacture such alloy steel pipe products using materials that conform to JIS G 4053 Low-Alloyed Steels for Machine Structural Use, as well as to other standards and specifications.

These steel pipe products are used in machines, automobiles, and other machine parts.

ERW Carbon Steel Pipe for Machine Structures

These products are manufactured based on JIS G 3472 Electric Resistance Welded Carbon Steel Tubes for Automobile Structural Purposes.

They are used mainly in automotive machine parts.

High-Strength Steel Pipe for Machine Structures

These steel pipe products, include seamless steel pipe, ERW steel pipe, and hot finished ERW steel pipe.

They are used in marine structures and cylinders for their excellent weldability and low-temperature properties, and in machine parts for reduced weight and increased strength.

Specification

Usage

OD(mm)

WT(mm)

Steel Grade

Standard/ Specification

Aplication Fields 

Structural Pipe

42-760

4-120

20#,35#,45#,Q345A/B/C/D,Q390, Q420,25Mn,27SiMn etc.

GB/T 8162

General structural and mechanical pipe

Vehicle Pipe

45-245

4-35

20Mn2,SAE1527,MZ410R, MZ530R,30Mn2,40Cr,45Mn2 etc.

Technical agreement, YB/T5035

Pipe used for automobile axle and automobile semi-shaft

Mold Pipe &Tube

DN200-DN1200

 

21CrMo10,21CrMo10-2 etc.

Q/OHAD030, technical agreement

Centrifugal graphite casting-iron pipe mold

Military Pipe

42-760

4-120

30Cr,40Cr,35CrNi1MoA etc.

National military standard, agreement

Pipe for military use

Geology Drilling Pipe &Tube

42-133

 

DZ40,DZ55,STM-R780,DZ60 etc.

Q/OHAD006, GB/T 9808, agreement

Drilling pipe

Hydraulic Support Pipe

42-760

4-120

20#,35#,45#,27SiMn,30MnNbRE, 30CrMnSi,30CrMnSiA etc.

GB/T 17396, technical agreement

Making hydraulic equipment for coal mine exploitation and hydraulic cylinder and piston for truck crane

Fluid Transmission Pipe & Tube

42-760

4-120

20#,Q345,Q390 etc.

GB/T 8163, technical agreement

Pipe & tube used for fluid transmission

Note: Steel pipe can be developed and produced to meet the users’ personalized requirements according to their demands.


Standard

Standard

Corresponding

Application

A500

ASTM A500 / A500M

Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes

A501

ASTM A501 / A501M

Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing

A847

ASTM A847 / A847M

Specification for Cold-Formed Welded and Seamless High Strength, Low Alloy Structural Tubing with Improved Atmospheric Corrosion Resistance

A618

ASTM A618 / A618M

Specification for Hot-Formed Welded and Seamless High-Strength Low-Alloy Structural Tubing

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