CM490合金鋼化學成分

　　卡片

　　化學成分，％

　　C

　　si

　　Mn

　　p

　　s

　　ALS

　　CM490

　　≤0.24

　　1.10 ～1.60

　　0.15 ～0.55

　　≤0.035

　　≤0.035

　　≥0.015

　　卡片

　　CM490合金鋼機械性能

　　符號點（σs）mpa

　　拉伸強度（σb）MPA

　　榆樹擴展（δ5）％

　　沖擊測試AKV/J

　　冷彎180°

　　D彎曲心臟直徑

　　增強名義直徑

　　CM490

　　≥295

　　490?690

　　≥22

　　≥27（0℃）

　　D1。

　　CM490 plates can be called CM490 steel plate, CM490 steel plate, CM490 rolling plate, CM490 open tablet, CM490 belt steel, CM490 cold rolled plate, CM490 hot rolled plate, CM490 thin plate, CM490 mid plate, CM490 thick plate, CM490 special thick盤子等

　　CM490 rods can be called CM490 round steel, CM490 round steel, CM490 disk circle, CM490 wire, CM490 silk material, CM490 forging circle, CM490 round rod, CM490 black rod, CM490 light, CM490 vehicle light circle, CM490 vehicle light circular circle, CM490熱圓形鋼，CM490圓形滾動，CM490冷拉圓鋼等。

　　CM490管道可稱為CM490鋼管，CM490鋼管，CM490不銹鋼無縫管，CM490無縫管，CM490鋼焊接管，CM490焊接管，CM490精密管，CM490精密管道，CM490毛細管等。