美国ASTM 标准与UNS 系统一般用途耐热铸钢[ASTM A297/A297M—1998] 发布时间:2008-1-21 16:42:19 来源:中国压铸网 美国ASTM 标准与UNS 系统一般用途耐热铸钢[ASTM A297/A297M—1998] 耐热铸钢的钢号与化学成分(质量分数)(%) 钢号 类型 C Si Mn P ≤ S ≤ Cr Ni Mo ASTM UNS HF J92603 19Cr-9Ni 0.20~0.40 ≤2.00 ≤2.00 0.04 0.04 18.0~23.0 8.0~12.0 ≤0.50 HH J93503 25Cr-12Ni 0.20~0.50 ≤2.00 ≤2.00 0.04 0.04 24.0~28.0 11.0~14.0 ≤0.50 HI J94003 28Cr-15Ni 0.20~0.50 ≤2.00 ≤2.00 0.04 0.04 26.0~30.0 14.0~18.0 ≤0.50 HK J94224 25Cr-20Ni 0.20~0.60 ≤2.00 ≤2.00 0.04 0.04 24.0~28.0 18.0~22.0 ≤0.50 HE J93403 29Cr-9Ni 0.20~0.50 ≤2.00 ≤2.00 0.04 0.04 26.0~30.0 8.0~11.0 ≤0.50 HT J94605 17Cr-35Ni 0.35~0.75 ≤2.50 ≤2.00 0.04 0.04 15.0~19.0 33.0~37.0 ≤0.50 HU J95405 19Cr-39Ni 0.35~0.75 ≤2.50 ≤2.00 0.04 0.04 17.0~21.0 37.0~41.0 ≤0.50 HW — 12Cr-60Ni 0.35~0.75 ≤2.50 ≤2.00 0.04 0.04 10.0~14.0 58.0~62.0 ≤0.50 HX — 17Cr-60Ni 0.35~0.75 ≤2.50 ≤2.00 0.04 0.04 15.0~19.0 64.0~68.0 ≤0.50 HC J92605 28Cr ≤0.50 ≤2.00 ≤1.00 0.04 0.04 26.0~30.0 ≤4.00 ≤0.50 HD J93005 28Cr-5Ni ≤0.50 ≤2.00 ≤1.50 0.04 0.04 26.0~30.0 4.0~7.0 ≤0.50 HL J94604 29Cr-20Ni 0.20~0.60 ≤2.00 ≤2.00 0.04 0.04 28.0~32.0 18.0~22.0 ≤0.50 HN J94213 20Cr-25Ni 0.20~0.50 ≤2.00 ≤2.00 0.04 0.04 19.0~23.0 23.0~27.0 ≤0.50 HP J95705 26Cr-35Ni 0.35~0.75 ≤2.50 ≤2.00 0.04 0.04 24~28 33.0~37.0 ≤0.50 耐热铸钢的力学性能 钢号 力学性能(不小于) ASTM UNS σs/ Mpa σb/MPa δ(%) HF J92603 485 240 25 HH J93503 515 240 10 HI J94003 485 240 10 HK J94224 450 240 10 HE J93403 585 275 9 HT J94605 450 — 4 HU J95405 450 — 4 HW — 415 — — HX — 415 — — HC J92605 380 — — HD J93005 515 240 8 HL J94604 450 240 10 HN J94213 435 8 HP J95...