No. 235288
TP 321
- 国家或地区
巴西 - 标准体系NBR
对应标准
- ABNT NBR 10252:1988Seamless tubes for boilers, heat exchangers and superheaters
- ABNT NBR 6316:1980Seamless austenitic chromium-nickel steel tubes for refinery furnaces
- ABNT NBR NM 198:2000Welded austenitic stainless steel tubes, non-annealed
- ABNT NBR 8683:1984Solution heat treated coils of austenitic stainless steel wire rods