40MnBH化学成份:
碳 C:0.37~0.44 硅 Si:0.17~0.37
锰 Mn:1.00~1.40 硫 S:答应残余含量≤0.035
磷 P:答应残余含量≤0.035 铬 Cr:答应残余含量≤0.035 镍 Ni:答应残余含量≤0.030 铜 Cu:答应残余含量≤0.030 硼 B:0.0005~0.0035
本公司供应各国钢材:
淬透性结构钢:国产:45H,20CrH,40CrH,45CrH,40MnBH,45MnBH,20CrMnMoH,20CrMnTiH,
20CrNi3H,12Cr2Ni4H,20CrNiMoH,
德国:,CK45H,20Cr4,38Cr4H,41Cr4H,42Cr4H,40MnB4H,
22NiCr14H,14NiCr18H,20NiCrMo2H
,日本:SCr420H,SCr440H,SNCM220H,美国:1045H(H10450),5120H(H51200)5140H(H51400)5145H(H51400)15B41H(15411)15B48H(H15481),3310H,8620H(H86200)