After-sales Service: | 3 Years |
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Warranty: | 3 Years |
Type: | Seamless |
Technique: | Hot Rolled |
Material: | Carbon Steel |
Surface Treatment: | Black |
Samples: |
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Customization: |
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Suppliers with verified business licenses
Symbol of grade | Manufacturing method | Symbol of manufacturing method | Heat treatment |
STC370 | Hot-finished seamless process | S-H | As manufactured |
STC440 | Cold-finished electric resistance welding | E-C | As cold drawn or stress relief annealing |
STC510A | Cold-finished seamless process | S-C | As cold drawn or stress relief annealing |
Cold-finished electric resistance welding | E-C | As cold drawn or stress relief annealing | |
STC510B | Cold-finished seamless process | S-C | Stress relief annealing |
Cold-finished electric resistance welding | E-C | Stress relief annealing | |
STC540 | Hot-finished seamless process | S-H | As manufactured |
STC590A | Cold-finished seamless process | S-C | As cold drawn or stress relief annealing |
STC590B | Cold-finished seamless process | S-C | Stress relief annealing |
Symbol of grade | C | Si | Mn | P | S | Nb or V |
STC370 | 0.25 max. | 0.35 max. | 0.30 to 0.90 | 0.040 max. | 0.040 max. | - |
STC440 | ||||||
STC510A | ||||||
STC510B | 0.18 max. | 0.55 max. | 1.50 max. | 0.040 max. | 0.040 max. | - |
STC540 | 0.25 max. | 0.55 max. | 1.60 max. | 0.040 max. | 0.040 max. | 0.15 max. |
STC590A | 0.25 max. | 0.35 max. | 0.30 to 0.90 | 0.040 max. | 0.040 max. | - |
STC590B | 0.25 max. | 0.55 max. | 1.50 max. | 0.040 max. | 0.040 max. | - |
Symbol of grade | Tensile strength N/mm2 | Yield point or proof stress N/mm2 | Elongation % |
Test piece No. 11 or test piece No. 12 | |||
Direction parallel to tube axis | |||
STC370 | 370 min. | 215 min. | 30 min. |
STC440 | 440 min. | 305 min. | 10 min. |
STC510A | 510 min. | 380 min. | 10 min. |
STC510B | 510 min. | 380 min. | 15 min. |
STC540 | 540 min. | 390 min. | 20 min. |
STC590A | 590 min. | 490 min. | 10 min. |
STC590B | 590 min. | 490 min. | 15 min. |
NOTE : 1 N/mm2 = 1 MPa |
Suppliers with verified business licenses