航空用优质结构钢棒
10A 15A 20A 25A 45A 50A
12CrNi3A 12Cr2Ni4A 14CrMnSiNi2MoA
15CrA 20CrA 38CrA 40CrA 15Cr2MnNi2TiA 18Cr2Ni4WA 20CrNi3A
25CrMnNiTiA 30CrMoA 13Ni5A 21Ni5A 40CrVA 50CrVA 12CrNi3A 37CrNi3A
20CrMoA 12CrNi4A 40CrNiWA 40CrNiMoA 30Cr2Ni2WA 30Cr2Ni2WVA 38CrMoAlA