c
压力容器和锅炉用钢 SGV42 SGV450 SGV480 SEV245 SEV295 SEV345 SB410 SB450 SB450M SB480 SB480M SCMV1 SCMV2 SCMV3 SCMV4 SCMV5 SCMV6 SBV1A SBV1B SBV2 SBV3 …… 耐候负和用钢 SMA400AW SMA400BW SMA400CW SMA400AP SMA400BP SMA400CP SMA490AW SMA490BW SMA490CW SMA490AP SMA490BP SMA490CP SMA570W SMA570P SPA-H SPA-C SN400A SN400B SN400C SN490B SN490C SBPR785 SBPR930 SBPR785 SBPR1030 SBPR930 SBPR1080 SBPR930 SBPR1180 SBPR1080 SBPR1320 SBPD930 SBPD1080 SBPD1230 SBPD1275 SBPD1420