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Double Layer Coiled ASTM A254 Automotive Steel Tubes

Double-Layer Coiled Pipe In Automobile Braking System And Fuel Transportation Pipeline

SAE J526 Welded low-carbon tubing

EN10305-6 Welded cold drawn tubes from hydraulic and pneumatic power systems

ASTM A254 Copper-brazed steel tubing

BHG1, SPCC, SPCD, SPCEN, ST14, ST15, ST16, DC04, DC05, DC06

O.DXThickness (mm)	Min Burst Pressure (Mpa)	Elongation (%)	inside clearness (g/ m³)
4.76 (3/16") X 0.71	110	≥25	≤0.16
6 X 0.71	85	≥25	≤0.16
6.35 (1/4") X 0.71	78	≥25	≤0.16
8 X 0.71	67.5	≥25	≤0.16
9.52 (5/16") X 0.71	55	≥25	≤0.16
12.7 (1/2") X 0.71	32	≥25	≤0.16
Surface Treatment
	Color/white Zinc Plating	Oilve Green	PVF
Tensile strength	≥290Mpa	≥290Mpa	≥290Mpa
Yield Strength	≥180Mpa	≥180Mpa	≥180Mpa
Elongation	≥25%	≥25%	≥25%
Salt spray Test	192h/144h	216h	1000h

Tube welding– Cold drawing (reduce diameter)– Annealing in Protected Atmosphere— Cleaning-- Leakage detection– Zinc/Copper Plating– Keep pressure (Airtightness) – Packing

Coating	Thickness	Salt spray test duration
Copper/White Zinc/Colour-Zinc	8μm	72h
PVF	8μm+20μm	1000-2000h
Military Green Zinc	8μm	180h
GALFAN	8μm+20μm	1000-2000h
Nylon	8μm+40μm	180h

Application industry

Double-layer coiled pipe is widely used in automobile braking system and fuel transportation pipeline, civil electric box compressor carburetor, heat exchanger, condenser and many other components.

1 ) Advantage:

a. Good corrosion resistance;
b. Excellent mechanical properties;
c. Low-pressure loss;
d. Comparatively light in weight
e. Sturdy shape, pleasant to the eye when exposed;
f. Impervious to harmful chemical;
g. Cost effective;
h. Recyclable & have resale value.

2 ) Plating: Cooper coated
3 ) Certifiction: ISO9001
4 ) Package: cut-to-length /in coils, as your requirement,beveled ends.
5 ) Standard: Country YB/T4164--2007
6 ) Raw materials: low carbon steel tube/ BHG2

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Categories	Automotive Steel Tubes
Brand Name:	TORICH
Model Number:	ASTM A254 BHG1
Certification:	ISO 9001
Place of Origin:	Zhejiang China
MOQ:	500Kg
Payment Terms:	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:	500 Tons Per Month
Delivery Time:	4-6 Weeks
Packaging Details:	In bundles
Thickness:	0.5 - 1 mm
Outer Diameter(Round):	4 - 9.52 mm
Section Shape:	Round
Technique:	Cold Drawn
Special Pipe:	Bundy Tube
Alloy Or Not:	Non-alloy
Tolerance:	±5%
Key words:	Single Wall Bundy Tube
Heat Treatment:	xBK or NBK
Application:	Automobile Braking System