Q245R(HIC)...

A572GR50简介...

NM360耐磨钢板N...

API5L-B X...

x70(st）舞阳产...

13MnNiMoR....

Q345F钢板舞钢G...

焦炭塔用临氢14Cr...

12Cr2Mo1R钢...

09MnNiDR化学...

XG08钢板成份

SA515GR60 ...

A20/A20M ...

GB3531的08N...

API2WGr60订...

12Cr2Mo1VR...

SA515Gr50、...

SA516Gr70钢...

SA516Gr70质...

SA387Gr12 ...

SA387Gr12 ...

SA387Gr11现...

sa283gra

ST37-2 ST...

sm400a

Q345B

St37.2 德国 ...

SS400和SM40...

ASTM 36是美标...

ss400与q235...