Mould Steel By Wuhan Jinxingqiang Mould Steel Co., Ltd.

Following are the Performance Characteristics of Mould Steel :
Widely used cold work mould steel, with good quench-hardening ability, good wear resistance ,as well hot workability.
Applications:
Making efficient blanking mould, stamping mould, all kinds of scissors ,cold shearing ,drilling bushing ,gauge, wortle, coining die, thread rolling die, screw thread rolling diei cold extrusion dies .
Chemical Composition (%):
C i 2.00i 2.30 Sii a 0.40 Mni a 0.40 S i a 0.030 P i a 0.030 Cri 11.50i 13.00 Nii a 0.25 Cui a 0.30 Coi a 1.00
Heat treatment standard:
(1) Quenching, 950 ~ 1000 centigrade cold oil;
(2) Quenching 980 centigrade, cold oil, 180 centigrade tempering 2 hours
Annealing temperature: 800-850 Centigrade
Annealing hardness: 248 HB Max.
De-stressing temperature: 650 Centigrade Approx.
Hot forming temperature: 1050-850 Centigrade
Quenching temperature: 940-970 Centigrade
Hardening media: oil quenching, salt bath 220-250 Centigrade or 500-550 Centigrade, air or compressed air.
Quenching hardness: 63-65 HRC