Product Details

Product Description

1. product name: 5.5m welded steel pipe cng pipe for sale
2. standard and Material: ISO15500, BHG-1 or as the customers' requirement to choose the material
3. Treatment: Soft annealed, hot dipped galvanized; Air-tight test 30MPa
4. Product usage: CNG high pressure tube is used for LPG , CNG sequential injection system conversion kits.
5. Tube surface with 5-8 um zinc coated, which can keep 72-100 hour salt spray Test without red rust.
6. Both ends of tube without rag, corner processing, smooth, absence of istortion.
7. Steel tube is welding tube with annealing treatment before zinc plating.
8. Inside of tube should be no rust
9.Bending tube with tools of 25mm radius, bending torsion should no more than 11NM
10. Packing: in carton case
11. PVC package requirement

Steel tube should be covered with PVC after zinc plating, single wall thickness is 0.65±0.2mm.
There is 20-50mm naked tube without PVC at the roll ends. Both ends are fit with white plastic jacket.

Chemical composition and mechanical property

Chemical Composition

C	Si	Mn	P	S
≤0.08%	≤0.03%	≤0.03%	≤0.02%	≤0.02%

Size tolerance(mm)

Length	Steel tube wall	OD	PVC tube wall	Roll ID
Cut-to-length ±50	1±0.1	±0.06~0.1	0.65±0.2	195-200

Mechanical Property

No.	Test Item	Technical Standard	Test Result	Remark
1	Tensile Strength	≥290MPa	295MPa	PASS
2	Yield Strength	≥180MPa	189MPa	PASS
3	Elongation	≥30%	34%	PASS
4	Flaring Test	Flaring≥25%,	30%	PASS
5	Bending Test	Bend 180^o in a radius three times of the pipe diameter	No crack or peeling after flaring	PASS
6	Flattening Test	No crack after flattening	No crack	PASS
7	Pressure Test	Working Pressure≥26MPa	32MPa	PASS
7	Pressure Test	Burst Pressure≥135MPa	140MPa	PASS
8	Salt Spray Test	>48 hours	72 hours	PASS

Application

Package standard

Carton box

A. Pack 20 rolls of the length 6 m tube

B. Pack 20 rolls of the length 5.5 m tube

C. Pack 20 rolls of the length 4.5 m tube