Double Wall Weld Steel Tube

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Shanghai Tian Yang Steel Tube Co.,Ltd

0086-21-57597455 0086-21-57596989 0086-21-57596965
0086-13816488644, 0086-13816250588

Larger photo of Double Wall Weld Steel Tube

Double Wall Weld Steel Tube


company	Shanghai Tian Yang Steel Tube Co.,Ltd
Categories	Angular Contact Ball Bearing
Update	2011-04-01
Original Region	China
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Double Wall Weld Steel Tube

The main features：The inner surface of high cleanness, good strength and elongation, showing good re-processing and no leakage in high pressure; anti-blasting in high-pressure, long time anti-corrosion properties after surface treatment. They are the ideal material for condenser, evaporation, automotive tubing. We can supply the users with any length bending tubes and straight steel tubes to meet meet the customer's needs.

The Demension And Mechanical Properties' Table Of Double-wall Weld Steel Tube

OD (mm)	WT(mm)	Minimal bursting pressure(mpa)	Elongation	Inside surface rating(g/m²)	b	s
4	0.51		≥20	≤0.16	≥290	≥200
4.76	0.70	110	≥20	≤0.16
6	0.70	85	≥20	≤0.16
6.35	0.70	78	≥20	≤0.16
8	0.70	67.5	≥20	≤0.16
9	0.70	61	≥20	≤0.16
10	0.70	55	≥20	≤0.16
12	0.70	32	≥20	≤0.16

The Surface Treatment Of Double-wall Weld Steel Tube
1.Galvanizing

Variety	Passivation Type
White	Chromate Passivation
Yellow
Five Color
Olive

2.Plastic Tube (PVF) And Epoxy Resin Coated Tube (EPOXY)
The main features：
Printing PVF or EPOXY on the galvanized and passive steel tube, PVF and EPOXY tube has a strong anti-corrosion ability. They are mainly used in producing high-level automobile.
3.Coated Nylon (PA12) Tube
The main features：Zinc Zn- free -chromium passivation nylon coated (PA12) tubes. They have a strong anti-corrosion capabilities, combined with a solid coating, impact resistance, aesthetic appearance, particularly with the requirements of environmental protection. They are mainly used in the hard tube system of high-level automobile.

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