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GB/T3639 Round Seamless Cold Rolled Steel Tubes For Precison Application

Basic Information
Place of Origin: China
Brand Name: TORICH
Certification: ISO9001 ISO14001
Model Number: GB/T3639
Minimum Order Quantity: 3Tons
Price: negotiable
Packaging Details: In plywood case,In wooden box.
Delivery Time: 30-45work days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 50000Tons/Year
Detail Information
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
High Light:

seamless steel pipe

,

seamless carbon steel tube


Product Description

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

GB/T3639 Round Seamless Cold Rolled Steel Tubes For Precison Application 0

 

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

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

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

Contact Details
Mila Xu

WhatsApp : +8613736164628