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Cold Drawn Steel Tube
Cold Drawn Steel Tube : ISO, JIS, Classification standards
ISO9001 Certification
| Certification Organization: | NIPPON KAIJI KYOKAI (Class NK) | |
| Certification Number: | 00-205 | |
| Applicable Standard | ISO
9001：2008 JIS Q 9001：2008 |
|
| Applicable Scope | Design, development and manufacturing around cold drawn carbon steel tube and alloy steel tube |
JIS license
| JIS G 3454 carbon steel tube for pressure service | STPG 370, 410 | |
| JIS G 3455 carbon steel tube for high pressure service | STS 370, 410, 480 | |
| JIS G 3456 carbon steel tube for high temperature | STPT 370, 410, 480 | |
| JIS G 3458 alloy steel tube for piping | STPA 12, 20, 22, 23, 24, 25 | |
| JIS G 3460 steel tube for piping in low temperature | STPL 380, 450 | |
| JIS G 3461 carbon steel tube for boiler and heat exchanger | STB 340, 410, 510 | |
| JIS G 3462 alloy steel tube for boiler and heat exchanger | STBA 12, 13, 20, 22, 23, 24, 25 | |
| JIS G 3464 steel tube for cold heat exchanger | STBL 380, 450 | |
| JIS G 3444 carbon steel tube for general structure | STK 290, 400, 490, 500, 540 | |
| JIS G 3445 carbon steel tube for mechanical structure | STKM | 11A, 12A, 12B, 12C, 13A, 13B, 13C, 14A, 14B, 14C, 15A, 15C, 16A, 16C, 17A, 17C, 18A, 18B, 18C, 19A, 19C, 20A |
Classification society license
| Nippon Kaiji Kyokai | （ NK ） |
| American Bureau of Shipping | （ AB ） |
| Lloyd's Register of Shipping | （ LR ） |
| Det Norske Veritas A/S | （ NV ） |
| Bureau Veritas | （ BV ） |
| Korean Register of Shipping | （ KR ） |
| China Corporation Register of Shipping | （ CR ） |
| Germanischer Lloyd | （ GL ） |
Overseas Standards
| ASME | American Society of Mechanical Engineers |
| ASTM | American Society of Mechanical Engineers |
| SAE | Society of Automobile Engineers |
| DIN | Deutsche Industrie Normen |
| BS | British Standards |