Introduction:
The hard alloy (tungsten steel) cold heading die produced by our company adopts scientific treatment method to improve the strength and toughness, and achieve higher fatigue strength and impact resistance. This product is extremely acclaimed by our customers.
Technical parameters:
Application and performance of the cemented carbide (tungsten steel) cold heading die
| Grade | Co% | Hardness HRA | Density g/cm³ | Bending strength Mpa | Elastic Modulus Gpa | Application |
| SX46A | 15 | 85.5 | 43.9 | 3000 | 440 | Mold with high wear resistance and small deformation |
| SX50A | 20 | 85.8 | 13.4 | 3300 | 390 | Processing stainless steel and molds with small deformation |
| SX60A | 20 | 84 | 13.5 | 1900 | 390 | Straight rod, screw, nut upper mold, etc. |
| SX62A | 22 | 83.7 | 13.2 | 2900 | 360 | Countersunk head with large working load |
| SX65A | 25 | 84.1 | 12.9 | 3100 | 340 | Straight bar mold with large working load |
| SX70A | 25 | 82.5 | 13.1 | 2800 | 340 | Nut lower mold, mold with large working load |
Mold blank dimensional tolerance
| Outer dimeter | Height dimension | ||||
| ≤18 | ＞18～30 | ＞30～50 | ＞50～80 | ＞80 | |
| ≤φ18 | +0.3~-0.3 | +0.35~-0.35 | +0.4~-0.4 | ||
| ＞φ18～30 | +0.5~-0.5 | +0.5~-0.5 | +0.5~-0.5 | +0.6~-0.6 | |
| ＞φ30～50 | +0.6~-0.6 | +0.65~-0.65 | +0.7~-0.7 | +0.75~-0.75 | +0.8~-0.8 |
| ＞φ50～80 | +0.8~-0.8 | +0.85~-0.85 | +0.9~-0.9 | +1.0~-1.0 | |
| Inner diameter | Height dimension | ||||
| ≤18 | ＞18～30 | ＞30～50 | ＞50～80 | ＞80 | |
| Inner diameter limit deviation | |||||
| ≤φ5 | 0~-0.40 | 0~-0.40 | 0~-0.40 | 0~-0.50 | |
| ＞φ5～10 | 0~-0.50 | 0~-0.60 | 0~-0.70 | 0~-0.75 | |
| ＞φ10～20 | 0~-0.70 | 0~-0.75 | 0~-0.80 | 0~-0.90 | 0~-1.0 |
| ＞φ20～35 | 0~-0.90 | 0~-1.00 | 0~-1.1 | 0~-1.2 | |
| Height dimension | Outer diameter | |||
| ≤φ18 | ≤φ18～30 | ≤φ30～50 | ≤φ50～80 | |
| Height limit deviation | ||||
| ≤18 | +1.5~+0.4 | +1.5~+0.4 | +1.6~+0.4 | |
| ＞18～30 | +1.7~+0.4 | +1.8~+0.4 | +1.9~+0.4 | +2.0~+0.4 |
| ＞30～50 | +2.1~+0.4 | +2.3~+0.4 | +2.5~+0.4 | +2.5~+0.4 |
| ＞50～80 | +2.9~+0.4 | +3.0~+0.4 | +3.1~+0.6 | |
| ＞80 | +4.0%~+0.6 | |||
Advantage:
Our company is specialized in the production of cemented carbide raw material from grades formulation to the production of blanks and deep processing of cemented carbide, our cold heading mold has the following advantages:
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