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GB/T 3639 Cold Drawn Seamless Steel Pipe

  • GB/T 3639 Cold Drawn Seamless Steel Pipe
  • GB/T 3639 Cold Drawn Seamless Steel Pipe
  • GB/T 3639 Cold Drawn Seamless Steel Pipe

GB/T 3639 Cold Drawn Seamless Steel Pipe

    Payment Type: T/T
    Terms of Trade: FOB,CFR,CIF,FCA
    Min. Order: 1 Ton
    Delivery Time: 45 Days
    Packaging: Bundles Package, Wooden Box
    Productivity: 3000 tons/month
    Brand: Huijie
    Transportation: Ocean
    Place of Origin: Zhejiang, China
    Supply Ability: 3000 tons/month
    Certificate: ISO9001-2008, TS16949
    HS Code: 73043190
    Port: Shanghai,Ningbo

Basic Info

Model No.: GB/T 3639

Product Description

GB/T 3639 Cold Drawn Seamless steel pipe

Steel Grade/Steel Material:10#, 20#, 45#, Cr-Mo alloy, 16Mn, SAE1010, SAE1020, SAE1045, SKTM11,37Mn5,40Cr, ST35, ST52 etc

Steel Pipe standard:GB8713, GB3639, DIN2391, EN10305-1, EN10305-4, JIS-G3445, ASTM A519, ASTM A192, ASTM A179

size:
OD:10.00—110.00mm
WT:1.00—8.00mm
Length: 5.8m, 6m,9m,or as required.


Production Processs:
RAW MATERIAL

INCOMING INSPECTION

STORAGE CUTTINGHAMMERINGPICKING LUBRICATIONCLEANING PHOSPHORI CLEAN

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

FINAL INSPECTION→BUNDING→STORAGE

Technique:
1) Hot Rolled
2) Cold Drawn
3) Cold Rolled


Characteristic:
Good concentricity
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness

Application:
1) shock absorber for motorcycle and automobile
2) hydraulic gas Cylinder
3) precision machine precision pipe part
4) other auto pipe parts


Product Name Cold Drawn Seamless Steel Pipe
Material E235, E255, E355, 10#, 20#, 45#, Q345B
Delivery Condition +C, +LC, +SR, +A, +N
Standard EN10305-1 / DIN2391 / EN10305-4
Size Range OD: 6-88mm, WT: 1-15mm
Application High precision purpose, auto parts, oil cylinder, etc
Round Billet Bao Steel, Xingcheng Steel, Zhongtian Steel
Keyword Seamless Steel Tube
Certificate TS16949, ISO 9001
HS code 7304319000
Delivery Time 45 days
Pakcing Bundles or Woodern Boxes

steel Tensile StrengthonN/mm2 YieldosN/mm2 Elongations% Hardness HB
20# 530 505 12 175
16Mn 595 575 9 190
27SiMn 840 805 7.5 230
35# 610 575 6 207
45# 660 630 9 190

GB/T 3639 Seamless Steel PipeCold Drawn Steel Pipe


Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd

 

Ningbo Huijie steel pipe Manufacturing Co.,Ltd was Founded in 2002, the company mainly manufacturing seamless carbon steel tubes and Alloy Steel tubes, The products are mainly used in automobile, machinery, bearing, high pressure boiler and other industries. In 2011, our company built a new factory focusing on the production of bearing steel tubes,Which covers an area of 45000 ㎡, with capacity of 60,000 tons/year, equipment and environmental protection standards reach the advanced level of the domestic counterparts, has passed ISO/TS 16949 quality management system certification. The company has more than 500 employees, more than 80 professional technical personnel, the key process is equipped with PLC automatic temperature control perforation heating, spheroidizing annealing furnace, recrystallization annealing furnace, and a variety of supporting cold rolling, cold drawing processing lines. Equipped with advanced direct reading spectrum, metallographic analysis, hardness test and other physical and chemical testing equipments and eddy current, ultrasonic non-destructive testing equipments to reach the quality of products with superior assurance conditions. From 2018,Our annual production output about 75,000tons of bearing steel tubes and carbon steel tubes, By 2019, the group's Steel Pipe production capacity is expected to exceed 110,000 tons. Since 2018,Ningbo Huijie start for exporting through our own branch company Ningbo pipeway,Till now,we exported bearing steel tubes and Carbon Steel Pipes to Canada, USA, Mexico, Peru, Chile, Thailand, Malaysia, Russia, Iran, Germany, Spain, Netherland, Japan, South Korea Australia, etc about 12 countries.

Company Info

  • Company Name: Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd
  • Representative: Mr.Kevin
  • Product/Service: Seamless Bearing Tubes , Mining Drill Pipes , Boiler Steel Tubes , Alloy Mechanical Tubing , Precision Steel tubes , Stainless Steel tubes
  • Capital (Million US $): 1.45
  • Year Established: 2002
  • Total Annual Sales Volume (Million US $): Above US$100 Million
  • Export Percentage: 11% - 20%
  • Total Annual Purchase Volume (Million US $): Above US$100 Million
  • No. of Production Lines: 50
  • No. of R&D Staff: 41 -50 People
  • No. of QC Staff: 51 -60 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 50,000-100,000 square meters
  • Factory Location: Industrial Park,Zhangting Town,Yuyao City,Ningbo City,Zhejiang Province,China
  • Contact Person: Mr. Kevin
  • Tel: 86-0574-87491308
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