牌号:20CrMo合金结构钢标准:对应标准:JIS G4053:2003ASTM A29M:2005ISO 683-18:1996化学成份:碳 C :0.17~0.24 20crmo圆钢硅 Si:0.17~0.37锰 Mn:0.40~0.70硫 S :允许残余含量≤0.035磷 P :允许残余含量≤0.035铬 Cr:0.80~1.10钼 Mo:0.15~0.25镍 Ni:允许残余含量≤0.25铜 Cu:允许残余含量≤0.3力学性能:抗拉强度 σb (MPa):≥885(90)屈服强度 σs (MPa):≥685(70)伸长率 δ5 (%):≥12断面收缩率 ψ (%):≥50冲击功 Akv (J):≥78冲击韧性值 αkv (J/cm2):≥98(10)硬度 :≤197HB试样尺寸:试样毛坯尺寸为15mm用途齿轮、紧固件、法兰、螺母20CrMo淬透性较高,无回火脆性,焊接性相当好,形成冷裂的倾向很小,可切削性及冷应变塑性良好。一般在调质或渗碳淬火状态下使用,用于制造在非腐蚀性介质及工作温度低于 250℃、含有氮氢混合物的介质中工作的高压管及各种紧固件、较高级的渗碳零件,如齿轮、轴等。![]()
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20MnTiB|25MnTiBRE|15CrA|15-50Cr|38CrSi|12-42CrMo|12CrMoV|35CrMoV|12Cr1MoV|38CrMoAl|15-40CrMn|20-30CrMnSi|30-35CrMnSiA|20-40CrMnMo|20-40CrMnTi|20-45CrNi|20CrNiMo|40CrNiMoA|20CrMoM|20Mn2B|SCM435H|SCM440|28MnCrMo|37CrMnMoA|4145H|42CrMoHA|27SiMnV|09MnD|9MnD|18CD4|28Mn6|30CrMnTi|SAE1045W1|40CrH|16MnCr5|12Mn2VB|IE0669|34CrMn4|40CrHH|AISI8740H|AISI4145H|48MnV|C56E2|CF53|SCM822H3|22CrMoH|17MnCr5|19MnCr5|20-28MnCr5|F45V|23MnNiMoCr5|15MoG|IE0963|QQE1106|IE1158M|IE1287|IE2892|37Mn5|25MnV|08Cr2AlMo|9CrCuSb(ND)|16-18CrMnBHZ|SCM420H|SAE1141|25MnCrNiMoA|SGI-2|16MnCr5|12Mn2VB|SCM420H|SAE1141|SGI-2|25MnG|25MV|SSW|42MnMo7|42Cr|45MnMoB|28Mn2|CL60(H)|30-36Mn2V|4130X|SA-210Al|40MnV|SAE1117|30-50MnVS|GCr15|G20CrNiMo|G140CrV|SAE4137H|S55C|S55CZ|SAE8620(H)|1215M|55Cr3|60Si2MnA|60Si2Mn|50CrV4|50CrVA|65Mn|51CrMoV4|51CrV4|60CrMnA|60Si2CrA|60Si2CrVA|70S|77-82B|50CrMnVA|52CrMnV4|55CrMnA|55SiMnVB|60CrMnB|SAE5160(H)|SA387Cr12|SUP9|20CrMnTiH|ML35|ML35K|ML45|ML15MnVB|R55Cr5|M30Mn2|M20Mn|P91|P22|P12|20G|15CrMoG|12Cr1MoVG|20MnG|SAE5160H|60CrNi|Cr12|YXR4|B7|42CrMo4|SWRS82B-M…冷轧合金结构钢:08、9MnV 09MnNb 09Mn2 12Mn 18Nb 09MnCuPTi 10MnSiCu 12MnV 14MnNb 16Mn 16MnRE 10MnPNbRE 15MnV 15MnTi 16MnNb 14MnVTiRE 15MnVN 20Mn2 30Mn2 35Mn2 40Mn2 45Mn2 50Mn2 20MnV 30Mn2MoW 27SiMn 20SiMn2MoV 27SiMn2MoV 37SiMn2MoV 40B 45B 50B 40MnB 45MnB 20Mn2B 20MnMoB 安正冷镦结构钢15MnVB 20MnVB 20MnVB 40MnVB 20MnTiB 25MnTiBRE 20SiMnVB 15Cr 15CrA 20Cr 30Cr 35Cr 40Cr 45Cr 50Cr 38CrSi 12CrMo 15CrMo 20CrMo 30CrMo 30CrMoA 35CrMo 42CrMo 12CrMoV 35CrMoV 12Cr1MoV 25Cr2MoVA 25Cr2Mo1VA 20Cr3MoWVA 38CrMoA1 20CrV 40CrV 50CrVA 15CrMn 20CrMn 40CrMn 20CrMnSi 25CrMnSi 30CrMnSi 30CrMnSiA 35CrMnSiA 20CrMnMo 40CrMnMo 20CrMnTi 30CrMnTi 20CrNi 40CrNi 45CrNi 50CrNi 12CrNi2 12CrNi3 20CrNi3 30CrNi3 37CrNi3 12Cr2Ni4 20Cr2Ni4 20CrNiMo 40NiMoA 45CrNiMoA 18Cr2Ni4WA 25Cr2Ni4WA
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20MnTiB|25MnTiBRE|15CrA|15-50Cr|38CrSi|12-42CrMo|12CrMoV|35CrMoV|12Cr1MoV|38CrMoAl|15-40CrMn|20-30CrMnSi|30-35CrMnSiA|20-40CrMnMo|20-40CrMnTi|20-45CrNi|20CrNiMo|40CrNiMoA|20CrMoM|20Mn2B|SCM435H|SCM440|28MnCrMo|37CrMnMoA|4145H|42CrMoHA|27SiMnV|09MnD|9MnD|18CD4|28Mn6|30CrMnTi|SAE1045W1|40CrH|16MnCr5|12Mn2VB|IE0669|34CrMn4|40CrHH|AISI8740H|AISI4145H|48MnV|C56E2|CF53|SCM822H3|22CrMoH|17MnCr5|19MnCr5|20-28MnCr5|F45V|23MnNiMoCr5|15MoG|IE0963|QQE1106|IE1158M|IE1287|IE2892|37Mn5|25MnV|08Cr2AlMo|9CrCuSb(ND)|16-18CrMnBHZ|SCM420H|SAE1141|25MnCrNiMoA|SGI-2|16MnCr5|12Mn2VB|SCM420H|SAE1141|SGI-2|25MnG|25MV|SSW|42MnMo7|42Cr|45MnMoB|28Mn2|CL60(H)|30-36Mn2V|4130X|SA-210Al|40MnV|SAE1117|30-50MnVS|GCr15|G20CrNiMo|G140CrV|SAE4137H|S55C|S55CZ|SAE8620(H)|1215M|55Cr3|60Si2MnA|60Si2Mn|50CrV4|50CrVA|65Mn|51CrMoV4|51CrV4|60CrMnA|60Si2CrA|60Si2CrVA|70S|77-82B|50CrMnVA|52CrMnV4|55CrMnA|55SiMnVB|60CrMnB|SAE5160(H)|SA387Cr12|SUP9|20CrMnTiH|ML35|ML35K|ML45|ML15MnVB|R55Cr5|M30Mn2|M20Mn|P91|P22|P12|20G|15CrMoG|12Cr1MoVG|20MnG|SAE5160H|60CrNi|Cr12|YXR4|B7|42CrMo4|SWRS82B-M…冷轧合金结构钢:08、9MnV 09MnNb 09Mn2 12Mn 18Nb 09MnCuPTi 10MnSiCu 12MnV 14MnNb 16Mn 16MnRE 10MnPNbRE 15MnV 15MnTi 16MnNb 14MnVTiRE 15MnVN 20Mn2 30Mn2 35Mn2 40Mn2 45Mn2 50Mn2 20MnV 30Mn2MoW 27SiMn 20SiMn2MoV 27SiMn2MoV 37SiMn2MoV 40B 45B 50B 40MnB 45MnB 20Mn2B 20MnMoB 安正冷镦结构钢15MnVB 20MnVB 20MnVB 40MnVB 20MnTiB 25MnTiBRE 20SiMnVB 15Cr 15CrA 20Cr 30Cr 35Cr 40Cr 45Cr 50Cr 38CrSi 12CrMo 15CrMo 20CrMo 30CrMo 30CrMoA 35CrMo 42CrMo 12CrMoV 35CrMoV 12Cr1MoV 25Cr2MoVA 25Cr2Mo1VA 20Cr3MoWVA 38CrMoA1 20CrV 40CrV 50CrVA 15CrMn 20CrMn 40CrMn 20CrMnSi 25CrMnSi 30CrMnSi 30CrMnSiA 35CrMnSiA 20CrMnMo 40CrMnMo 20CrMnTi 30CrMnTi 20CrNi 40CrNi 45CrNi 50CrNi 12CrNi2 12CrNi3 20CrNi3 30CrNi3 37CrNi3 12Cr2Ni4 20Cr2Ni4 20CrNiMo 40NiMoA 45CrNiMoA 18Cr2Ni4WA 25Cr2Ni4WA