| Japan standard(JIS) |
| Product Name |
Executive standard |
Specification range |
Steel kind |
| Carbon steel tubes for general structural purposes |
JIS G3444 |
21.3~318.5 |
STK 290/STK 400/STK 500/STK 490/STK 540 |
|
| Carbon steel tubes for machine structural purposes |
JIS G3445 |
21.3~318.5 |
STKM 11 A/STKM 12 A/STKM 12 B/STKM 12C/STKM 13 A |
|
| Carbon Steel Pipes for Pressure Service |
JIS G3454 |
21.3~318.5 |
STPG 370/STPG 410 |
|
| Carbon Steel Pipes for High Pressure Service |
JIS G3455 |
21.3~318.5 |
STS 370 STS 38/STS 410 STS 42/STS 480 |
|
| Carbon Steel Pipes for High Temperature Service |
JIS G3456 |
21.3~318.5 |
STPT 370 STPT 38/STPT 410 STPT 42/STPT 480 |
|
| Alloy Steel Pipes |
JIS G3458 |
21.3~318.5 |
STPA 12/STPA 20/STPA 22/STPA 23/STPA 24/STPA 25/STPA 26 |
| Steel tubes for low temperature service |
JIS G3460 |
21.3~318.5 |
STPL 380/STPL 450/STPL 690 |
|
| Carbon Steel Tubes for Boiler and Heat Exchaner |
JIS G3461 |
21.3~318.5 |
STB 340 STB 410 STB 510 |
|
| Alloy steel tubes for boiler and heat exchanger service |
JIS G3462 |
21.3~318.5 |
STBA 12/STBA 13/STBA 20/STBA 22/STBA 23/STBA24 |
|
| Steel heat exchanger tubes for low temperature service |
JIS G3464 |
21.3~318.5 |
STBL 380/STBL 450/STBL 690 |
|
| Seamless Steel Tubes for Drilling |
JIS G3465 |
21.3~318.5 |
STM-C 540/STM-C 640/STM-R 590/STM-R 690/ |
|