| Classification | Standards | Application | |||
| KS | JIS | AISI | |||
| Pipes for piping |
Carbon Steel |
SPPS38/42 | STPG370/410 | A53G(A,B) | for pressure service |
| SPPH38/49 | STS370/480 | A106G(A,B,C) |
for high pressure service(350 and under) |
||
| SPHT38/49 | STPT370/480 | A106G(A,B,C) |
for high temperature service(over 350) |
||
| Alloy Steel | SPLT39/70 | STPL380/690 | A333G3/G11 |
for low temperature service(0 and under) |
|
| SPA12/26 | STPA12/26 | A335P1/P22 |
for high temperature service |
||
|
Stainless Steel |
STS304TP/ 347HTP |
SUS304TP/ 347HTP |
TP304/347H |
for high temperature and corrosion resistance pipes |
|
|
STS410TP/ 430TP |
SUS410TP/ 430TP |
TP410/430 | |||
|
Tubes for boiler & heat exchanger |
Carbon Steel |
STBH340/510 | STB340/510 | A179/192 |
for boiler and exchanger tubes |
| Alloy Steel | STHA12/26 | STBA12/26 | A213T5/T22 | ||
| STLT39/70 | STBL380/690 | A334G3/G11 |
for low temperature service(0 and under) |
||
|
Stainless Steel |
STS304TB/ 347HTB |
SUS304TB/ 347HTB |
TP304/347H |
for high temperature and corrosion resistance tubes |
|
|
STS410TB/ 430TB |
SUS410TB/ 430TB |
TP410/430 | |||
|
Tubes for machine & structural |
Carbon Steel |
STM-C540/ R830 |
STM-C540/ R830 |
API | for drilling tubes |
| STHG11/31 | STHG11/31 | A519 |
for high pressure gas cylinder |
||
| SPS290/540 | STK290/540 | A500/501 |
for general structural purpose tubes |
||
| STKM11A/ 20A | STKM11A/ 20A | A519 |
for machine structural purpose tubes |
||
|
Alloy Steel |
SCr420TK/ SCM440TK |
SCr420TK/ SCM440TK |
A519 |
for machine purpose tubes |
|
|
Stainless Steel |
STS304TKA/ 347TKA |
SUS304TKA/ 347TKA |
MT304/347 |
for htgh temperature and corrosion resistance tubes |
|
|
STS410TKA/ 430TKA |
SUS410TKA/ 430TKA |
MT410/430 |
SeamlessTube
| Technique: | Seamless |
| Alloy Or Not: | Is Alloy |
| Standard: | JIS |