The United States began to be developed in the early & 39;60 s D6AC, modified by the AISI 4340 steel, is widel
Delivery status:
Forged 、
Surface:
Turned 、
Standard:
AISI
Shape:
Round, Flat, Square, Hexagon, Plate, Sheet, Other
Type:
Photography
Keywords:
D6AC
4340
40CrNi2Mo