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DM1 alloy-2

Nickel NP0Evi Nickel NP1 Nickel NP1Ev Nickel NP2 Nickel NP2E Nickel NP3 Nickel NP4 Nickel NPA1 Nickel NPA2 Nickel NPAN Alloy SD1-1 Alloy SD1-2 Alloy SD1-4 To access the entire list

Designation

Name The value
Designation GOST Cyrillic СД1-2
Designation GOST Latin CD1-2
Transliteration SD1-2
The chemical elements PbД1-2

Description

DM1 alloy-2 applies: for the production of cast pipe billet cathodes, cast the method of casting in a vacuum induction furnace and is designed for applying heat-resistant coatings by the method of ITTA installations of map-1.

Note

Alloy on the basis of aluminide Nickel.

Standards

Name Code Standards
Castings with special properties (cast iron and steel) В83 TU 1-92-113-87

Chemical composition

Standard C Cr Si Ni Fe Cu Al Y
TU 1-92-113-87 ≤0.05 18-22 ≤0.2 The rest ≤0.3 ≤0.05 11-13.5 0.3-0.6
Ni is the basis.
According to TU 1-92-113-87, deviations are allowed: for chrome ± 0.30%, for aluminum +0.20%, for cobalt ± 0.50%. The yttrium content is not calculated and chemical analysis is determined. The residual content of iron, silicon, copper is controlled from one casting of the cathode from each melting of the charge billet. The total amount of oxygen, nitrogen and hydrogen is not controlled and is provided by the charge billet according to TU 1-92-93-84.

Technological properties

Name The value
Macrostructure and contamination On the other 1-92-113-87 Cracks in the casting are not allowed. On the surface of castings casting defects are allowed that fit into the allowance for machining. On the inner surface of the part is allowed no more than 2 veining with an area of 200 cm2, a depth of 3 mm., as well as any defects with the depth more than 4 mm. and a diameter not exceeding 10 mm. In rentgenocontrast allowed isolated pores, sinks and other defects measuring less than 5 mm. in an amount of not more than 3 pieces on the square of 25 cm2, with a distance between the defects is at least 20 mm. and not more than 15 of such defects in the same casting. In addition to the allowable small defects (diameter up to 2 mm.) group location distance between the individual groups of at least 20 mm. Under the group location of defects means the presence of from 3 to 5 defects with a diameter up to 2.0 mm. Number of such groups is not more than 25. At the top of the cathode at a distance from the end to 35 mm. allowed residual porosity (rihlat).

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