| ASTMSTANDARD | UNS NO. | KOREA/JAPANS | GERMAN | BRITISH | BELGIAN | FRENCH | ITALIAN | |||||||||||||
| KS/JIS Symbol | KS/JIS Numbe | Remarks | DIN Type | DIN Number | Materiral Number | Remarks | BS Number | BS Grade | Remarks | NBN Type | NBN Grade | Remarks | AFNOR Type | NF Number | Ramarks | UNI Type | UNI Number | Ramarks | ||
| A 334 Seamless and Welded C-ans Alloy Steel Tubes for Low-Tempersture Service | ||||||||||||||||||||
| Grau 1 | K03008 | STLT 39 / STbL 380 | D3571/G 3464 | TT St 41N | 1.0437 | WBL-680(3b) | (3) | TU 42 BT | A49-230 | (32) | C 15 | 5949 | (6)Seamless Only | |||||||
| Grau 3 | K31918 | STLT 46 / STBL 450 | D3571/G 3464 | 10 Ni 14 | 1.5637 | WBL-680(3b) | 3603 | HFS 503 LT 100 | CAT.2 | TU 16 N 14 | A49-230 | (3c) | 18 Ni 14 | 5949 | Seamless Only | |||||
| Grau 6 | K03006 | (3) | TT St 45 N | 1.0456 | WBL-680(3b) | 3603 | HFS 410 LT 50 | CAT.2 | TU A 42 BT | A49-230 | (29) | C 20 | 5949 | Seamless Only | ||||||
| Grau 8 | K31340 | STLT 70 / STBL 690 | D3571/G 3464 | X8 Ni 9 | 1.5662 | WBL-680(3b) | 3603 | HFS 590 LT 196 | CAT.2 | EL TEU Z 11 N 9 | A49-230 | (6) | 12 X Ni 09 | 5949 | Seamless Only | |||||
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