***A400AP耐候钢详细介绍:
日本碳素钢:SGV410 SGV450 SGV480 SLA235 SLA235B SLA325A SLA325B SLA365 SLA410 SL2N255 SL3N255 SL3N275 SL3N440 SL5N590 SL9N520 SL9N590 S10C S12C S15C S17C S20C S22C S25C S28C S30C S33C S35C S38C S40C S43C S45C S48C S50C S55C S58C S09CK S15CK S20CK