Company Details
  • Torich International Co.,Ltd--The Steel Tube Maker

  •  [Zhejiang,China]
  • Business Type:Distributor/Wholesaler , Manufacturer , Service , Trade Company
  • Main Mark: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide
  • Exporter:31% - 40%
  • Certs:GB, ISO9001, ISO14001
  • Description:Steel Tubes For Structural Purposes,Seamless Steel Tubes,GB/T 8162 Seamless Steel Tubes
Torich International Co.,Ltd--The Steel Tube Maker Steel Tubes For Structural Purposes,Seamless Steel Tubes,GB/T 8162 Seamless Steel Tubes
Home > Products > Seamless Steel Tubes > GB/T 8162 Seamless Steel Tubes For Structural Purposes

GB/T 8162 Seamless Steel Tubes For Structural Purposes

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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: 2 Ton
    Delivery Time: 35 Days

Basic Info

Model No.: GB/T 8162

Type: Seamless

Certification: API, CE, BSI, UL

Application: Structure Pipe

Section Shape: Round

Surface Treatment: Oiled

Usage: Construction & Decoration, Construction Structure

Technique: Cold Drawn

Material: Carbon Steel, Carbon Steel

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

Length: 1-12m

Shape: Round Shape

OD: 3-1200mm

WT: 0.5-200mm

Standard: GB/T 8162

Additional Info

Packaging: packing in bundles with seaworthy packing

Productivity: 20000 Tons per Year

Brand: Torich

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

Product Description

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 WT 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

Test:

1.Hardness test

2.Impact test

3.Flattening test

4.Bending test

5.Visual Surface check

7,Nondestructive test


Processing:

RAW MATERIAL

INCOMING INSPECTION

STORAGE CUTTINGHAMMERINGPICKING LUBRICATIONCLEANING PHOSPHORI CLEAN

ENDS CUTTING←STRAIGHTENING←HEAT TREATMENT↔MIDDLLE CHECK↔ COLD DRAWING ← LUBRICATING

FINAL INSPECTION→BUNDING→STORAGE


Looking for ideal Steel Tubes For Structural Purposes Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Seamless Steel Tubes are quality guaranteed. We are China Origin Factory of GB/T 8162 Seamless Steel Tubes. If you have any question, please feel free to contact us.

Product Categories : Seamless Steel Tubes

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  • GB/T 8162 Seamless Steel Tubes For Structural Purposes
  • GB/T 8162 Seamless Steel Tubes For Structural Purposes
  • GB/T 8162 Seamless Steel Tubes For Structural Purposes
  • GB/T 8162 Seamless Steel Tubes For Structural Purposes
  • GB/T 8162 Seamless Steel Tubes For Structural Purposes
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