| Place of Origin: | China (Mainland) |
|---|---|
| Brand Name: | Xinda |
| Model Number: | 1.2767 |
| Specification: | Diameter |
| Technology: | Forged |
| Application: | Tool Steel Bar |
| Surface Condition: | |
| Tolerance: | |
| Delivery Condition: | |
| Length: | |
| Hardness: | |
| MOQ: | one piece |
| The maximum output: | 500 tons per month |
| Years of manufacturing: | 20 years |
| Packaging: | by bundle |
Quick Details
Specifications
Product Name:
Cold-work die steel flat bar in stock 1.2767
Chemical Composition (%):
| C | Si | Mn | P≤ | S≤ | Cr | Ni | Mo | W |
| 0.40-0.50 | 0.10-0.40 | 0.15-0.45 | 0.030 | 0.030 | 1.20-1.50 | 3.80-4.30 | 0.15-0.35 | 0.40-0.60 |
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)
Metal products 20 mm(and over) in diameter or thickness shall be US-tested in accordance with SEP1921 as follows:
Non-metallic inclusions according to ASTM E45, Method A. | ||||
Inclusion series | Inclusion series fgfdgfdffgfgfgfgf | |||
| A | B | C | D | |
Thin | 2 | 2 | 2 | 2 |
Heavy | 1.5 | 1.5 | 1.5 | 1.5 |
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