High Quality Cold Finished Carbon Steel Tubes for Automobile

Type: Seamless
Technique: Cold Drawn
Material: Carbon Steel
Surface Treatment: Black
Usage: Special Purpose, Automobile Tube
Section Shape: Round
Customization:

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Basic Info.

Model NO.
KM-220
Size
1/2′′-24′′
Transport Package
Standard Sea-Worthy Package
Trademark
Kingmetal
Origin
China
Production Capacity
1000tons/Month

Product Description


Packaging & Delivery

Packaging Details:
1.Bundle packing 
2.Plain end or varnished as per buyer's requestments 
3.Wrapped in waterproof paper 
4.Sackcloth with several steel strips 
5.Pack in heavy tri-wall boxes
Delivery Detail: 25 days

Specifications
1, OD+/-0.05mm,WT+/-0.05mm.special accuracy:+/-0.03mm 
2, Annealed:+N,+A,+SR 
3, ISO9001-2008 
4, 25 years' direct selling



Material

St35,St45,St52,E215,E235,E355,10,20  A106,A179,A192,A210,T11,T22,T12   AISI4130,SAE1010,SAE1020.etc

Standard

ASTM A106/A179/A192/A210/A213/A519
DIN2391/DIN17175/EN10305
GB8162/GB8163/GB3639

Size ranges

OD:6mm-65mm,WT:0.6-7mm.

Length

Random 10-5800mm,custom-made as well

Tolerance

Tolerance:+/-0.05mm

Craft

cold drawn and cold rolled

Surface

Polished,brightness,metallic color

Quality

ISO9001-2008 quality

Dimension tolerance comparison Chart

Outer Diameter

GB/T3639

DIN2391(EN10305)

Manufacturer's standard

Special standard

6-30mm

±0.10mm

±0.08mm

±0.05mm

±0.02mm

31-40mm

±0.15mm

±0.15mm

±0.05mm

±0.03mm

41-50mm

±0.20mm

±0.20mm

±0.05mm

±0.03mm

51-60mm

±0.25mm

±0.25mm

±0.08mm

±0.03mm

61-65mm

±0.30mm

±0.30mm

±0.10mm

±0.05mm

Thick   tolerance

±0.12mm

±0.10mm

±0.05mm

±0.03mm

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Diamond Member Since 2011

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Type of Ownership
Limited Company
Management System Certification
ISO 9001, ISO 9000, ISO 14001, ISO 14000