cng steel pipe 1) iso 15500 2) 6*1*6000mm 3) metal tube with pvc covered 4) high pressure

tubo del cng gnc, cng cylinder tube CNG/LPG kit high pressure tube

Chemical Composition 

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

Size(mm)

Length	Thickness	OD	Total Thickness	Roll ID
Cut-to-length ±50	1±0.1	6±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 180o 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
		Burst Pressure≥135MPa	140MPa	PASS
8	Salt Spray Test	>48 hours	72 hours	PASS

  

Steel tube standard

1. Tube surface with 5-7 um zinc coated, which can keep 72-100 hour salt spray test without red rust.

2. Both ends of tube without rag, corner processing, smooth, absence of distortion.

3. Steel tube is welding tube with annealing treatment before zinc plating.

4. Inside of tube should be no rust

5. Bending tube with tools of 25mm radius, bending torsion should no more than 11NM

 

 

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.

 

 

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

CNG High Pressure Pipe