| Place of Origin: | China (Mainland) |
|---|---|
| Brand Name: | Xinda |
| Model Number: | 1.2379 |
| Thickness: | 10~620mm |
| Width: | 50~1200mm |
| Length: | 2.5m to 5.5m |
| Technology: | Forged |
| Application: | All kinds of cold stamping mold, cut blade and twisting thread board |
| Delivery Condition: | hot rolled/forged,annealed |
| Surface Condition: | Black Surface,Turned Surface |
| Hardness: | less than 250HB |
| Tolerance for thickness: | -0/+2.0mm(for milled surface);-0/+5.0mm(for black surface) |
| Tolerance for width: | -0/+5.0mm(for milled surface);-0/+10.0mm(for black surface) |
| MOQ: | one piece |
| The maximum output: | 500 tons per month |
Quick Details
Specifications
Product Name:
DIN 1.2379 alloy steel block
Grades:
| DIN | ASTM | JIS | GB |
| 1.2379 | D2 | SKD11 | Cr12Mo1V1 |
Chemical Composition (%):
| C | SI | Mn | P≤ | S≤ | Cr | Mo | V |
| 1.40-1.60 | 0.10-0.60 | 0.20-1.60 | 0.030 | 0.030 | 11.0-13.0 | 0.70-1.20 | 0.50-1.10 |
Specialty
High penetration, high rigidity, high endurance, small distortion when quench, possess high rigidity of
Cr12*210CrW12,.good tenacity, adapt to tool mould of complicated form.
Use
All kinds of cold stamping mold, cut blade and twisting thread board of high endurance and long life
Heat Treatment
1. Quench: recommend oil of 980-1040°c\wind(re-preheat~500 °c -850 °c )HRC64-62
2. tempering: eliminate stress, stabilize framework, (180-200 °c )≥2 hours HRC63-62
3.Change of temperature of tempering and HRC rigidity (reference)
4.Annealing: 780-800 °c slow cooling
Melting Process
1. EAF: Electric Furnace+LF+VD(Optional)
2. ESR: Electric Furnace+LF+VD+Eleroslag Remelted(Optional)
UT Class
According to Standard of SEP 1921/84,100% Volume, Level C/c, D/d or E/e
Tolerance on Quantity
+/-10% Per Size