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Steel ПКр70-69 (Жр70-69)

Designation

Name The value
Designation GOST Cyrillic ПКр70-69
Designation GOST Latin PKp70-69
Transliteration PKr70-69
The chemical elements PCoр70-69
Name The value
Designation GOST Cyrillic Жр70-69
Designation GOST Latin Zhp70-69
Transliteration Gr70-69
The chemical elements Жр70-69

Description

Steel ПКр70−69 is used: for the manufacture by the method of single pressing lightly loaded structural components used in mechanical engineering and instrument making.

Note

Carbon steel powder from atomized powders.
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
OST 107.460094.118-88 0.5-0.8 The rest
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
≥245 ≥1 ≥98 110-170

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 6700

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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