Molybdenum Plugs

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Molybdenum Plugs Standard: Q/JDC 042-2012

Category: Type A ,Type B

  • Chemical Composition should meet requirements of the description in Table 1
  • Discrepancy in size is permitted?

Types and acceptable size range should meet requirements of Table 2.

  • Density : not less than 9.2g/cm3
  • Vickers-hardness : actually measured value
  • Surface description surface is clean, smooth without any quality defects including over-heated, bubble, crack, split, and badly oxidation. In the working process of finished product, holes larger than 0.5mm in the length and depth is not permitted in the fields of sizing area， while holes larger than 1mm in the length and depth is not permitted in the fields of non sizing area

Table of Chemical Composition %

Element
Content
Mo
(See Note)
Ti
1.0～2.0
Zr
0.1～0.5
C
0.1～0.5
Chemical element
/ not more than

Fe
0.0060
Ni
0.0030
Al
0.0020
Si
0.0030
Ca
0.0020
Mg
0.0020
P
0.0010


Table 2

Types
Dia D/mm
Acceptable tolerance in Dia
Length
Acceptable tolerance in length
Catogory
DM20
DM25
DM30
DM35
DM40
20
25
30
35
40
60～80
Type A
DM45
DM50
DM55
45
50
55
80～110
Type B
DM60
DM62
DM64
DM66
DM68
DM70
DM72
DM74
DM76
DM78
DM80
60
62
64
66
60
70
72
74
76
78
80
160～200
Type B
DM85
DM90
DM95
DM100
85
90
95
100
180～260
-
TypeB
DM110
DM120
DM130
DM140
DM150
110
120
130
140
150
200～300
TypeB
  • Packing： Each batch of goods are wrapped with waterproof paper and are put into wooden box (case) with filling material inside for fix purpose. Supplier’s information including company name, commodity, net weight, gross weight, and date of production are all printed clearly in the surface of box.
  • Any special requirements will be welcomed and settled through negotiation.

Raw Materials