Производство и продажа металлов и оксидов

Sheets

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.

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