Item | Process | Equipment | Quality check point |
1 Physical and chemical properties | |||
1 | Mo billet | 2 Measurements of sheet billet | |
2 | Check | 3 Surface quality | |
4 Unit net weight of billet material | |||
3 | Hot rolled | Hot mill | 1 Measurements (thickness, width) |
4 | Annealing | 200T press machine | 2 Surface crack, stratification for two ends |
5 | Alkali wash | Alkali bath furnace | 3 Skew rolling |
6 | Check | 4 Flatness | |
7 | Warm rolled | Four -high cold mill | 1 Measurements (length, width and thickness) |
8 | Vacuum annealing | Vacuum annealing furnace | 2 Side crack, bubbles on surface |
9 | Check | 3 Flatness | |
10 | Cold rolled | Four -high cold mill | 1 Density |
11 | Leveling | W43G series straightener | 2 Measurements (length, width, and thickness) |
12 | Cut | Hydraulic plate shears | 3 Surface quality, bubbles on surface |
13 | Vacuum annealing | Vacuum annealing furnace | 5 Roll mark, stress, flatness |
14 | Check | 6 Quality standard: GB/T3876-2007 or ASTM | |
15 | Package | 7 Show certificate of quality |
Thickness | Thickness tolerance | Width | Width tolerance | Length | Length tolerance | Delivery condition |
<0.3 | ±0.02 | 10~150 | ±2 | 500 | ±2 | Cold rolled |
0.3 | ±0.03 | 10~250 | ±2 | 500 | ±2 | Cold rolled |
0.4 | ±0.04 | 10~250 | ±2 | 500 | ±2 | Cold rolled |
0.5 | ±0.05 | 10~300 | ±2 | 500 | ±2 | Cold rolled |
0.8 | ±0.07 | 10~300 | ±0.5 | 500 | ±0.5 | Cold rolled |
1.0 | ±0.08 | 10~300 | ±0.5 | 600 | ±0.5 | Cold rolled |
1.5 | ±0.12 | 10~400 | ±0.5 | 600 | ±0.5 | Cold rolled |
2.0 | ±0.12 | 10~500 | ±0.5 | 700 | ±0.5 | Cold rolled |
3.0 | ±0.20 | 10~500 | ±0.5 | 600 | ±0.5 | Hot rolled |
4.0 | ±0.30 | 10~500 | ±0.5 | 600 | ±0.5 | Hot rolled |
≥5.0 | ±0.40% | 10~550 | ±0.5 | 600 | ±0.5 | Hot rolled |
Tag: Tungsten Carbide Profiled Product | Tungsten Carbide Products | Tungsten Carbide Products Carbide Blank for Profiling | Tungsten Carbide Cutting Inserts
Tag: Niobium Wire | High Pure Niobium Wire | Niobium Titanium Welding Wire | Polished Niobium Titanium Wire