The production processes of JIS G3454 STPG370 STPG410 carbon steel pipes for pressure pipelines include seamless process, resistance welding process, spiral submerged arc welding process, and straight seam submerged arc welding process. Since JIS G3454 STPG370 STPG410 carbon steel pipes are used in pressure environments, the standard has strict requirements for chemical element content and mechanical properties. All JIS G3454 STPG370 STPG410 pressure pipelines must pass the mechanical properties and chemical element content tests before they can be delivered:
JIS G3454 STPG370 carbon steel pipes require a maximum C content of 0.25%, a maximum Si content of 0.35%, a Mn content of 0.30-0.90%, a maximum P content of 0.40%, a maximum S content of 0.40%, a tensile strength of ≥370Mpa, and a yield strength of ≥215Mpa.
JIS G3454 STPG410 carbon steel pipe requires a maximum C content of 0.30%, a maximum Si content of 0.35%, a Mn content of 0.30-0.10%, a maximum P content of 0.40%, a maximum S content of 0.40%, a tensile strength of ≥410Mpa, and a yield strength of ≥245Mpa.
Each JIS G3454 STPG370 STPG410 pressure pipe undergoes chemical element testing, mechanical property testing, water pressure testing, non-destructive testing, impact testing, eddy current testing, etc. before leaving the factory
GNEE Group has been producing pressure pipes for 16 years and has rich experience. It can provide you with pressure pipes and carbon steel pipes of multiple specifications, standards, and materials, and supports customization and processing services. If you need it, please contact us immediately.
JIS G3454 STPG370 STPG410 Carbon Steel Pipe Specification
|
Item |
Description |
|
Material |
JIS G3454 STPG370 STPG410 |
|
Outer Diameter |
6mm~720mm |
|
Wall Thickness |
2.5mm~200mm |
|
Length |
Length: 1m~12m or customize |
|
Technique |
Cold rolled, Hot rolled, Cold drawn, Hot dip galvanized |
|
Surface Treatment |
Bare pipe, oiled, galvanized, black painted, 3PE |
|
Pipe Ends |
Plain ends, grooved/threaded/beveled ends, coupling, end with plastic cap |
GNEE Certification
GNEE Factory
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