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TORICH INTERNATIONAL CO.,LTD
TORICH INTERNATIONAL CO.,LTD The Steel Tube Maker
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GB/T3639 Seamless Cold Drawn Or Cold Rolled Steel Tubes For Precison Application

TORICH INTERNATIONAL CO.,LTD
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TORICH INTERNATIONAL CO.,LTD
City: Ningbo
Province/State: Zhejiang
Country/Region: China
Tel: 86-574-88086983
Contact Person:
Mr Richard

GB/T3639 Seamless Cold Drawn Or Cold Rolled Steel Tubes For Precison Application

Brand Name : TORICH
Model Number : GB/T3639
Certification : ISO9001 ISO14001
Place of Origin : China
MOQ : 3Tons
Price : 700-1200USD/Tons
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 50000Tons/Year
Delivery Time : 30-45work days
Packaging Details : In plywood case,In wooden box.
Product name : GB/T3639 Seamless Cold Drawn Or Cold Rolled Steel Tubes For Precison Application
Keyword : Seamless Steel Tubes
Terms of Trade : CIF FOB CFR
Surface : Oiled
Material : 10#, 20#, 45#, Cr-Mo alloy, 16Mn, SAE1010, SAE1020,
WT : 1-8mm
Shape : Round
Length : 2-12m
OD : 10-110mm
Brand : TORICH
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GB/T3639 Seamless Cold Drawn Or Cold Rolled Steel Tubes For Precison Application


Cold Rolled Steel Tubes

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 → CUTTING→HAMMERING → PICKING LUBRICATION → CLEANING → PHOSPHORI CLEAN

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

FINAL INSPECTION→BUNDING→STORAGE

steelTensile StrengthonN/mm2YieldosN/mm2Elongations%Hardness HB
20#53050512175
16Mn5955759190
27SiMn8408057.5230
35#6105756207
45#6606309190

Technique:

1) Hot Rolled

2) Cold Drawn

3) Cold Rolled

Characteristic:

Good concentricity

Good OD and ID tolerance

High Precision

Stable quality

Smooth Roughness

TORICH QUALITY ASSURANCE

Application:

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

Steel Tubes For Precison Application


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GB/T3639 Seamless Cold Drawn Or Cold Rolled Steel Tubes For Precison Application Images

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