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Steel ПК70Д3-72 (Ж70Д3-72)

Designation

Name The value
Designation GOST Cyrillic ПК70Д3-72
Designation GOST Latin PK70D3-72
Transliteration PK70D3-72
The chemical elements PCo70Cu3-72
Name The value
Designation GOST Cyrillic Ж70Д3-72
Designation GOST Latin Zh70D3-72
Transliteration G70D3-72
The chemical elements Ж70Cu3-72

Description

Steel ПК70Д3−72 is used: for the manufacture by the method of double pressing sredneshirotnykh structural components used in mechanical engineering and instrument making.

Note

Powder steel carbon alloy with copper.
The material should be applied after the impregnation with compounds that protect against internal corrosion. Compositions for the impregnation in accordance with OST 4G 0.054.213.

Standards

Name Code Standards
Solid alloys, metal-ceramic products and powders, metal В56 OST 107.460094.118-88, OST 107.460009.002-90

Chemical composition

Standard C Fe Cu
OST 107.460094.118-88 0.5-0.8 The rest 2.5-3
Fe is the basis.

Mechanical characteristics

Section, mm σB, MPa d kJ/m2, кДж/м2 Brinell hardness number, MPa
Properties of the material to heat treatment at OST 107.460094.118-88
≥490 ≥1 ≥98 180-240

Description mechanical marks

Name Description
Section Section
σB Limit short-term strength
d Elongation after rupture
kJ/m2 Toughness

Physical characteristics

Temperature r, кг/м3
20 7100

A description of the physical symbols

Name Description
Е The normal elasticity modulus
l Coefficient of thermal conductivity
С Specific heat

Technological properties

Name The value
Microstructure Pelletieri. Allowed ferrite to 50% and cementite in the form of a torn grid.

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