MLYBDENUM SHEETS
Method of production |
Accuracy rating of rolling |
hot-rolled – H width 1,0-30,0 mm |
normal – I |
cold-rolled – C width 0,1-0,9 mm |
pinpoin accuracy - II |
Sizes and maximum deviation for hot-rolled sheets:
Thickness, mm |
Maximum thickness deviation, mm |
Width, mm |
Length, mm |
Sheet mass, kg, max |
1,0-2,0 |
+0,20 -0,15 |
50-600 |
150-1000 |
20 |
2,2-4,0 |
+0,25 -0,15 |
50-600 |
150-1000 |
20 |
4,5-6,0 |
+0,30 -0,20 |
50-600 |
150-1000 |
20 |
6,5-10,0 |
+/-0,40 |
100-600 |
150-1000 |
25 |
10,5-20,0 |
+/-1,0 |
100-400 |
min 150 |
30 |
20,5-30,0 |
+/-1,5 |
100-400 |
min 150 |
30 |
Sizes and maximum deviation for cold-rolled sheets:
Thickness, mm |
Maximum thickness deviation, mm |
Width, mm |
Length, mm |
|
I |
II |
|||
0,1; 0,2; 0,3; 0,4 |
+/-0,05 |
+/-0,03 |
50-300 |
150-1000 |
0,5; 0,6; 0,7; 0,8 |
- |
+/-0,05 |
50-300 |
150-1200 |
0,9 |
|
+/-0,08 |
50-300 |
150-1200 |
Pinpoint accuracy sheets М99,95 (or 99,9) - МП ТУ14-22-157-2002.
Purity 99,9 and 99.95%.
Thickness from 0,3 to 0,51 mm with tolerance +/-0.05 mm; more than 051 to 38 mm with tolerance +/-10%. Other tolerances should be established as agreed with customer.
thickness till 600 +/- 1,6 mm or +/- 0,8 mm (mechanical machined edges).
Length tolerance +/-1,6 mm for 305 mm of length.
Flatness tolerance 4-8% according to thickness of rolling.
Mechanical properties of rolling in annealed form. Ultimate rupture strength of rolling with thickness from 0,3 to 0,5 mm not less than 77 kgf/mm2 .
Percentage elongation not less than 6%;
thickness more than 0,5 to 1,5 mm - Ultimate rupture strength not less than 74 kgf/mm2, percentage elongation 10%;
thickness more than 1,5 to 12,7 mm – Ultimate rupture strength not less than 70 kgf/mm2, percentage elongation 18% for the sheet 2,5-4,75 mm and 10% for the sheet of thickness more than 4,75 to 12,7 mm.
To order the rolling may be delivered with mechanical machined edged and surface: milled-Rz40 and polished Ra1,6 microns max.