Hot-selling En 10297 Hot-Rolled Seamless Pipe 34CrMo4/37mn Chrome Moly Alloy Steel Pipe for LPG and CNG Gas Cylinder Price
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.
owing to excellent company, a variety of top quality products and solutions, competitive rates and efficient delivery, we take pleasure in an excellent reputation between our shoppers. We’ve been an energetic organization with wide market for Hot-selling En 10297 Hot-Rolled Seamless Pipe 34CrMo4/37mn Chrome Moly Alloy Steel Pipe for LPG and CNG Gas Cylinder Price, The principle of our organization is usually to provide high-quality items, qualified services, and trustworthy communication. Welcome all friends to place trial order for developing a long-term small business relationship.
owing to excellent company, a variety of top quality products and solutions, competitive rates and efficient delivery, we take pleasure in an excellent reputation between our shoppers. We’ve been an energetic organization with wide market for China 37Mn Alloy Seamless Steel Tube, Our solutions have national accreditation requirements for qualified, good quality items, affordable value, was welcomed by individuals all over the world. Our merchandise will continue to improve inside the order and appear forward to cooperation with you, Actually must any of all those products be of interest to you, remember to letus know. We are going to be satisfied to supply you a quotation up on receipt of the thorough needs.
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.
Owing to excellent company, a variety of top quality products and solutions, competitive rates and efficient delivery, we take pleasure in an excellent reputation between our shoppers. We’ve been an energetic organization with wide market.
Hot-selling En 10297 Hot-Rolled Seamless Pipe 34CrMo4/37mn Chrome Moly Alloy Steel Pipe for LPG and CNG Gas Cylinder Price
The principle of our organization is usually to provide high-quality items, qualified services, and trustworthy communication. Welcome all friends to place trial order for developing a long-term small business relationship.
China 37Mn Alloy Seamless Steel Tube
Our solutions have national accreditation requirements for qualified, good quality items, affordable value, was welcomed by individuals all over the world. Our merchandise will continue to improve inside the order and appear forward to cooperation with you, Actually must any of all those products be of interest to you, remember to letus know. We are going to be satisfied to supply you a quotation up on receipt of the thorough needs.
