G51150 G51170 G51200 G51300 G51320 51350 G51400 G51450 G51470 G51500 G51550 G51600 G50986 51986 52986 G52986 G61180 G61500 G81150 G86150 G86170 G86200 G86220 G86270 G86300 G86370 G86400 G86420 G86450 G86500 G86550 G87200 G87400 G88220 G92590 G92600 G93106 G50441 G50461 G50501 G50601 G51601 G81451 G94171 G94301 碳素结构钢+H (ASTM)1038H 1045H 1522H 1524H 1526H 1541H 15B21H 15B35H 15B37H 15B41H 15B48H 15B62H (UNS)H10380 H10450 H15220 H15240 H15260 H15410 H15211 H15351 H15371 H15411 H15481 H15621 合金结构钢(ASTM)1330H 1335H 1340H 1345H 4027H 4028H 4032H 4037H 4042H 4047H 4118H