Home > Products > Seamless Steel Tubes > GB/T 8162 Seamless Steel Tubes For Structural Purposes

Contact Supplier

Mr. Richard SHEN

Leave a message

Contact Now

GB/T 8162 Seamless Steel Tubes For Structural Purposes

Get Latest Price

Payment Type:

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

Incoterm:

FOB,CFR,CIF,FCA,CPT

Min. Order:

2 Ton

Transportation:

Ocean,Land,Air

Port:

Shanghai,Ningbo

Contact Now

 Chat Now

Product Description

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery

< >

Overview

Product Attributes

Model No.: GB/T 8162

Brand: Torich

Type: Seamless

Certification: UL

Application: Structure Pipe

Section Shape: Round

Surface Treatment: Oiled

Usage: Construction Structure

Technique: Cold Drawn

Material: Carbon Steel

Shape: Round Shape

Length: 1-12m

WT: 0.5-200mm

Name: GB/T 8162 Seamless Steel Tubes For Structural Purposes

OD: 3-1200mm

Standard: GB/T 8162

Supply Ability & Additional Information

Packaging: packing in bundles with seaworthy packing

Productivity: 20000 Tons per Year

Transportation: Ocean,Land,Air

Place of Origin: Zhejiang, China (Mainland)

Supply Ability: 60000 Ton per year

Certificate: ISO9001:2008 ISO14001:2008, TS16949, CE PED, TUV, API

HS Code: 7304111000

Port: Shanghai,Ningbo

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

Incoterm: FOB,CFR,CIF,FCA,CPT

Packaging & Delivery

Selling Units:: Ton

Package Type:: packing in bundles with seaworthy packing

GB/T 8162 Seamless Steel Tubes For Structural Purposes

We are manufacturer of Seamless Steel Tubes in China, if you want to buy Seamless Carbon Steel Tube, Oil Cylinder Steel Tube, Precision Seamless Steel Tube, Hydraulic Cylinder Steel Tube, please contact us.

Item:Seamless Steel Tubes,Seamless Carbon Steel Tube

Material: 10# 20# 45# 20Mn 25Mn Q235 Q345

Size Range:

OD:3-1200mm, WT:0.5-200mm, General Length:3-12m

Tolerance:

According to the following tables or customers` request.

Tolerance of the OD &WT:

OD Tolerance:

Production Method	OD Tolerance
Hot Rolling(Extrusion)	±1% or ±0.50mm
Cold Drawn(Cold Rolled)	±1% or ±0.30mm

Tolerance for wall thickness:

1.Wall thickness tolerance of Hot Rolling steel tube:

Production Method	OD (DN)	WT/OD	Tolerance
Extruded tube	≤102	/	±12.5% or ±0.40mm
	＞102	≤0.05	±15% or ±0.40mm
		＞0.05-0.10	±12.5% or ±0.40mm
		＞0.10	+12.5% -10%
Heat expanding steel tube	/		±15%

2.Wall thickness tolerance of Cold Drawn(Cold Rolled) steel tube:

Production Method

Tolerance

Cold Drawn(Cold Rolled) steel tube

≤3

+15%/-10% or ±0.40mm

＞3

+12.5%

-10%

Characteristic:

Good concentricity

Good OD and ID tolerance

High Precision

Stable quality

Smooth Roughness

TORICH QUALITY ASSURANCE

mechanical property

Steel Grade		Tensile strength Rm N/mm2(MPa)	Yield Strength Rp0.2 N/mm2(MPa)			Elongation A %
			Wall Thickness
			≤16mm	＞16~30mm	＞30mm
10		≥335	≥205	≥195	≥185	≥24
15		≥375	≥225	≥215	≥205	≥22
20		≥410	≥245	≥235	≥225	≥20
25		≥450	≥275	≥265	≥255	≥18
35		≥510	≥305	≥295	≥285	≥17
45		≥590	≥335	≥325	≥315	≥14
20Mn		≥450	≥275	≥265	≥255	≥20
25Mn		≥490	≥295	≥285	≥275	≥18
Q235	A	375~500	≥235	≥225	≥215	≥25
	B
	C
	D
Q275	A	415~540	≥275	≥265	≥255	≥22
	B
	C
	D
Q295	A	390~570	≥295	≥275	≥255	≥22
	B
Q345	A	470~630	≥345	≥325	≥295	≥20
	B
	C					≥21
	D
	E
Q390	A	490~650	≥390	≥370	≥350	≥18
	B
	C					≥19
	D
	E
Q420	A	520~680	≥420	≥400	≥380	≥18
	B
	C					≥19
	D
	E
Q460	C	550~720	≥460	≥440	≥420	≥17
	D
	E