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:GB/T Seamless Steel Pipe,Anti Rust Steel Tubes,Steel Pipes For Precision Applications
Torich International Co.,Ltd--The Steel Tube Maker GB/T Seamless Steel Pipe,Anti Rust Steel Tubes,Steel Pipes For Precision Applications
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Anti Rust Seamless Steel Pipes

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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 Ton
    Delivery Time: 45 Days

Basic Info

Model No.: GB/T 3639

Type: Seamless

Certification: API, CE, BSI, UL

Application: Hydraulic Pipe, For Precision Applications

Section Shape: Special

Surface Treatment: Oiled

Usage: Machinery Industry

Technique: Cold Drawn

Material: Carbon Steel, 10# 20# 35# 45# Q345B

Standard: GB/T 3639

OD: 4-1200mm

WT: 0.3-200mm

Length: 1-12.5m

Additional Info

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

Productivity: 20000 ton per year

Brand: TORICH

Transportation: Ocean,Land,Air

Place of Origin: China

Supply Ability: 20000 ton per year

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

HS Code: 7304191000

Port: Shanghai,Ningbo

Product Description


Round Anti Rust Seamless Steel Pipes For Precision Applications GB/T 3639

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.

TORICH is a main producer and exporter of Seamless Steel Tubes and Pipes in China.

Seamless Steel Tubes and Pipes are produced with Round Mandrel and Die to produce Round Shapes of Seamless Steel Tubes,

Seamless Precision Steel Pipes
Seamless Heat Exchanger Steel Pipe
Seamless Boiler Steel Pipes
Seamless Structural Steel Pipes
Seamless Mechanical Steel Pipes

Seamless Alloy Steel Tubes & Pipes




Spec:
Material:10# 20# 35# 45# Q345B Equivalent to grade SAE 1010 1020 st35.4 st 37 st35.8 c22 c35 c45 etc.
Size Range:
OD:3-420mm
WT:0.5-50mm
General Length:Length is 2000-12000mm Fixed length and multiple length is available.

Mechanical properties
Steel grade 10# 20# 35# 45# Q345B

Steel grade deliver conditions
+C +LC +SR +A +N
Rm/Mpa A/% Rm/Mpa A/% Rm/Mpa ReH/Mpa A/% Rm/Mpa A/% Rm/Mpa ReH/Mpa A/%
No less than
10 430 8 380 10 400 300 16 335 24 320-450 215 27
20 550 5 520 8 520 375 12 390 21 440-570 255 21
35 590 5 550 7


510 17 ≥460 280 21
45 645 4 630 6


590 14 ≥540 340 18
Q345B 640 4 580 7 580 450 10 450 22 490-630 355 22


Tolerance:

The permissible tolerances of the internal and external diameter unit:mm

Wall thickness(S)/extrernal diameter Permissible tolerance
S/D≥1/20 According to the specified value of the table 1
1/40≤S/D<1/80 According to 1.5 times of specified value of the table 1
S/D<1/40 According to double of specified value of the table 1


Producing Method:cold-drawn or cold-rolled
Technical Delivery Conditions:


Cold working/Hard condition:+C
No heat treatment after the final cold working process.
Cold working/Soft condition:+LC
After the final treatment there is a suitable cold working process
Stress relieving annealed conditio:+SR
After the final cold working process there is a stress relief heat treatment in a controlled atmosphere
Annealed condition:+A
After the final cold working process the tubes are fully annealed in a controlled atomosphere.
Normalised condition:+N
After the final cold working operation the tubes are normalized in a controlled atomosphere.
Widely used in the field of:Hydraulic System, Auto Parts,Jack Lifting,Precision Machinery etc.




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

Product Categories : Seamless Steel Tubes

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  • Anti Rust Seamless Steel Pipes
  • Anti Rust Seamless Steel Pipes
  • Anti Rust Seamless Steel Pipes
  • Anti Rust Seamless Steel Pipes
  • Anti Rust Seamless Steel Pipes
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