GB1228
關(guān)于鋼結(jié)構(gòu)螺栓:
執(zhí)行標(biāo)準(zhǔn):
GB/T 1228-1231,ISO7412,
DIN6914-6916,
ASME B 18.2.6 (ASTMA325,A490),
JISB1186 AS1252
強(qiáng)度等級(jí):
8.8S, 10.9S, 10.9HV, A325/A325M , A490/A490M, F8T,F(xiàn)10T
規(guī)格:
M12-M36,1/2"-1-1/2"
材料:
碳鋼,合金鋼