Factory Price For 37Mn Hot Rolled Seamless Pipe Alloy Steel Tube for LPG and CNG Gas Cylinder
Short Description:
Steel gas cylinders are manufacturing special steel cylinders. Requirements are usually smaller carbon content, strictly control the sulphur and phosphorus contents, meet the strength at the same time, good toughness and impact energy. 100% non-destructive testing.
In the past few years, our firm absorbed and digested highly developed technologies equally at home and abroad. Meanwhile, our business staffs a group of experts devoted on the growth of Factory Price For 37Mn Hot Rolled Seamless Pipe Alloy Steel Tube for LPG and CNG Gas Cylinder, Great top quality, competitive prices, prompt delivery and dependable services are guaranteed Kindly let’s know your quantity requirement under each size category so that we can inform you accordingly.
In the past few years, our firm absorbed and digested highly developed technologies equally at home and abroad. Meanwhile, our business staffs a group of experts devoted on the growth of China 37Mn Alloy Seamless Steel Pipe, We’ve been proud to supply our products and solutions to every auto fan all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.
The seamless tubes shall be used for the manufacturing of refillable seamless steel quench & tempered gas cylinder with actual maximum tensile strength less than 950Mpa. Since the gas cylinders are manufactured by hot spinning process the steel grade used shall be compatible for the manufacturing of high pressure gas cylinders.
GB 18248 specifies the size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of seamless steel pipes for gas cylinders and accumulator housings. GB 18248 is suitable for manufacturing seamless steel pipes for gas cylinders and accumulator housings.
|
ELEMENT |
C |
Si |
Mn |
p |
S |
P+S |
Al |
Ni |
Cu |
|
Min |
0.32 |
0.20 |
1.40 |
— |
— |
— |
0.035 |
— |
— |
|
Max |
0.38 |
0.30 |
1.70 |
0.02 |
0.01 |
0.025 |
0.060 |
0.15 |
0.30 |
|
Tensile strength (MPa) |
Yield strength (MPa) |
Elongation (%) |
|
≥750 |
≥630 |
≥16 |
Manufacture: tubes to GB/T 6479 shall be manufactured by hot rolled or cold drawn.
Heat Treatment: the tubes shall be produced by heat treated, WT≤30mm normalizing & tempering, WT>30mm quenching & tempering or normalizing & tempering.
Inspection & Test: chemistry composition analysis, tension test, flattening test, flaring test, impact test, macroscopic examination, non-metallic inclusions, NDT, surface inspection and dimension check.
Length: 4000mm; 6000mm; 9000mm; 12000mm; and so on.
Max developed length: 30 meters, also U bending, finning, studded process can be provided.
Option: shot blasting on the outside surface to remove mill scale, make the surface matte colour; surface polishing as preparation work done for further processing, for instance finning.
OD: Φ50-325mm.
WT: 3-55mm.
Tolerance of OD: ±0.75%.
Tolerance of Wall thickness: -10%——+12.5%.
Roundness of the inner and outer diameters: 80% of the tolerance of the outer diameter is not exceeded.
The inclination of the end face: ≤2mm.
Straightness: 1mm/1m.
In the past few years, our firm absorbed and digested highly developed technologies equally at home and abroad. Meanwhile, our business staffs a group of experts devoted on the growth.
Factory Price For 37Mn Hot Rolled Seamless Pipe Alloy Steel Tube for LPG and CNG Gas Cylinder
Great top quality, competitive prices, prompt delivery and dependable services are guaranteed Kindly let’s know your quantity requirement under each size category so that we can inform you accordingly.
China 37Mn Alloy Seamless Steel Pipe
We’ve been proud to supply our products and solutions to every auto fan all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.
