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ISO 17632-A:T42 ZY NO 1
ISO 17632-B: T49 Z T11-1 NO a
GB/T10045 T 49 TG-1 NS
AWS A5.20 E71T-GS
AWS A5.20M E491T-GS
ISO 17632-A: T3T ZV NO
ISO 17632-B:T49TG-1 NO S
GB/T10045 T 49 Z T4-0 NA
AWS A5.20 E70T-4
AWS A5.20M E490T-4
JIS Z3313 T49ZT4-0NA
ISO 17632-A: T42 ZY nr 3
ISO 17632-B: T49 Z T4-0 NO A