久久久综合九色综合88_高清国产精品自在久久_国内精品久久人妻无码网站_久久大香香蕉国产

鋼種

Steel category

牌號(hào)

Steel grade

規(guī)格 Dimension

執(zhí)行標(biāo)準(zhǔn)

Followed

standard

交貨狀態(tài)

Delivery

condition

厚度/mm

寬度/mm

長(zhǎng)度/mm

橋梁鋼

Bridge

Building steel

Q345qC-E

Q370qC-E

Q420qC-E

Q460qC-E

Q500qC-E

Q550qC-E

Q690qC-E

6-150

6-100

6-80

6-80

6-60

6-60

6-60

1050-4050

5000-23000

GB/T 714-2008

熱軋、控軋

TMCP、正火

調(diào)質(zhì)