Sign In | Join Free | My frbiz.com |
|
4340 34CrNiMo6 40NCD3 SNCM439 Sprocket Blank Q+T Heat Treatment Proof Turned ABS BV TUV NK LR RINA KR GL Certificates Standards: GB:40CrNiMoA DIN:36CrNiMo4 JIS:SNCM439 BS:816M40 NF:40NCD3 AISI/ASTM...