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  • 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:Seamless Steel Pipes,Steel Tubes,Seamless Steel Tubes
Torich International Co.,Ltd--The Steel Tube Maker Seamless Steel Pipes,Steel Tubes,Seamless Steel Tubes
Home > Products > Seamless Steel Tubes > Seamless Steel Tubes for Structural Purposes GB/T 8162

Seamless Steel Tubes for Structural Purposes GB/T 8162

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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: 5 Ton
    Delivery Time: 30 Days

Basic Info

Model No.: GB/T 8162

Type: Seamless

Certification: API, CE, BSI, UL

Application: Fluid Pipe, Structure Pipe

Section Shape: Round

Surface Treatment: Oiled

Usage: Pipeline Transport, Machinery Industry

Technique: Cold Drawn

Material: Carbon Steel, 10# 20# 45# Q295 Q345

OD: 4-1200mm

WT: 0.3-200mm

Length: Max 12500mm

Standard: GB/T 8162

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

Additional Info

Packaging: Anti Rust Oil Protection, in seaworthy packing material, in hexagonal bundles or in wooden box

Productivity: 40000 ton per year

Brand: TORICH

Transportation: Ocean,Land,Air

Place of Origin: Zhejiang,China

Supply Ability: 50000 ton per year

Certificate: ISO 9001:2008 ISO 14001:2008 TS 16949

HS Code: 7304191000

Port: Shanghai,Ningbo,Foshan

Product Description

Seamless Steel Tubes for Structural Purposes GB/T 8162


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.

Our main products:Seamless Steel Tubes,Seamless Carbon Steel Tube,Oil Cylinder Steel Tube,Precision Seamless Steel Tube,Hydraulic Cylinder Steel Tube



Spec:

Material:10# 20# 45# Q235 Q395 Q345

Size Range:OD:4-1200mm

WT:0.3-200mm

General Length:1-12.5m

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%


Bending tolerance:

WT≤15mm, Bending≤1.5mm/m

WT>15mm~30mm, Bending≤2.0mm/m

WT>30mm/OD≥351mm, Bending≤3.0mm/m


Ovality and Wall unevenness:

The ovality and wall unevenness should be no more than 80% of the OD and wall thickness.(Or according to customer`s request)


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. Bending test
  2. Hardness test
  3. Impact test
  4. Squeezing test
  5. Non-destructive test


Characteristic:

TORICH QUALITY ASSURANCE

Good Surface Quality

Good OD and ID tolerance controlled to Technical Standard
Stable quality
100% Eddy Current Test


Processing:hot rolling(extrude expand), cold drawn(rolling)

RAW MATERIAL

INCOMING INSPECTION

STORAGE CUTTINGHAMMERINGPICKING LUBRICATIONCLEANING PHOSPHORI CLEAN

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

FINAL INSPECTION→BUNDING→STORAGE


Technical Delivery Conditions:hot rolling, annealing, normalizing


Widely used in the field of:Transporting water,gas,oil etc


Product Images:

Img 0333Img 0405Pl5638370 5 420mm Diameter Seamless Drill Steel Pipe With Jis G 3465 Stmc C 540 Stmc C 640

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

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  • 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 GB/T 8162
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