ASTM 碳钢和低合金钢标准 发布时间：2009-9-21 来源：admin 阅读次数：892 ASTM - American Society for Testing and Materials AMS - Aerospace Material Specification AISI - American Iron and Steel Institute IC - Investment Casting Institute MIL - Military Specification SAE - Society of Automotive Engineers ACI - Alloy Casting Institute IN - International Nickel QQ - Federal Specifications Carbon and Low Alloy Steels Alloy Specification Carbon Min-Max Manganese Min-Max Silicon Min-Max Chromium Min-Max Nickel Min-Max Molybdenum Min-Max Phosphorus Min-Max Sulfur Min-Max Iron Other Melting Range 0F 1020 MIL-S-22141B IC 1020 MIL-S-81591 IC 1020 .15- .25 .30- .60 .20-1.00 .04 .04 Bal. 2770-2810 ASTM A-27 GR N-1 .25 .75 .80 .05 06 Bal. 2770-2810 ASTM A-27 GR U60-30 .25 .75 .80 .05 06 Bal. 2770-2810 ASTM A-27 GR 70-40 .25 1.20 .80 .05 06 Bal. 2770-2810 ASTM A-216 GR WCA .25 .70 .60 .50* .50* .20* .04 .045 Bal. Cu*, .30 Max.;V*, .03 Max. Total "*" Elements, 1.00 Max. 2770-2810 ASTM A-216 GR WCC .25 1.20 .60 .50* .50* .20* .04 .045 Bal. Cu*, .30 Max.;V*, .03 Max. Total "*" Elements 1.00 Max. 2770-2810 ASTM A-352 GR LCA .25 .70 .60 .50* .50* .20* .04 .045 Bal. Cu*, .30 Max.;V*, .03 Max. 2770-2810 ASTM A-352 GR LCC .25 1.20 .60 .50* .50* .20* .04 .045 Bal. Cu*, .30 Max.;V*, .03 Max. 2770-2810 IC 1020 .15- .25 .20- .60 .20- .60 .25 .25 .25 .04 .045 Bal. Cu *, .25 Max . 2755-2795 ASTM A-732 GR 1A .15- .25 .20- .60 .20-1.00 .35* .50* .04 .045 Bal. Cu *, .50 Max .; Mo + W*, .25 Max . Total Unspec. * 1.00 Max 2770-2810 1025 ASTM A-27 GR 60-30 .30 .60 .80 .05 .06 Bal. 2770-2810 ASTM A-27 GR 65-35 .30 .70 .80 .05 .06 Bal. 2770-2810 ASTM A-216 GR WCB .30 1.00 .60 .50* .50* .20* .04 .045 Bal. ...
