JIS G3472 Stam 290ga, 340g, 390g, 400g Welded Automobile Tube

• Type: Welded
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Construction & Decoration, Special Purpose, Automobile Tube
• Section Shape: Round
• Model NO.: KM-217
• Size: 1/2′′-24′′
• Standard: JIS G3472
• Thickness: Sch5,Sch10,Sch40
• Surface: Black , in Oil
• Payment Term: T/T L/C
• Delivery Time: 7-15 Days
• Transport Package: Standard Sea-Worthy Package
• Specification: 2"~10"
• 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

Description:
Standard:  JIS G3472 Electric resistance welded carbon steel tubes for automobile
Grade: STAM290GA STAM290GB STAM340G STAM40G STAM470G STAM500G STAM440H STAM470H STAM500H STAM540H
Thickness: 2.0-25.0mm Out Diameter: 10.2-660 mm
Length:5.8M/12M.max
Application: Boiler, electricity, mechanical, structural,gas cylinder, chemical, offshore and oil service.
Surface Finishing:Anti-corrosion and high-temperature resistant with black painting.
Packing: Bundles, seaworthy wooden cases.With or without end caps, varnish or as per clients requirements.
Surface Treatment:
Surface Corrosion proofing water based paint
Coating A choice of black or clear varnish exists for coating of the OCTG material. This coating is a solvent deposited non toxic phenolic PVB that provides atmospheric resistance to oxidation for a period of 6 to 12 months.

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