GB中國(guó)國(guó)家標(biāo)準(zhǔn)。
AISI (America Iron and Steel Institute) 美國(guó)鋼鐵協(xié)會(huì)
ASTM (America Society for Testing and Material)美國(guó)材料與試驗(yàn)協(xié)會(huì)
ASME (America Society of Mechanical Engineers)美國(guó)機(jī)械工程學(xué)會(huì)
API (America Petroleum Association)美國(guó)石油協(xié)會(huì)
JIS (Japanese Industrial Standards)日本國(guó)家標(biāo)準(zhǔn)
LR (Lloyd‘s Register of Shipping)勞氏船級(jí)社
DIN (Deutsches Institut fur Normung )德國(guó)國(guó)家標(biāo)準(zhǔn)
--盛通不銹鋼焊管01在線客服