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Steel АУ10Е (АСУ10Е)

U16 steel (EI336) U9A steel U9 steel U8GA steel U8G steel U8A steel U8 steel U7A steel U7 steel U12A steel U12 steel U11A steel (U11) U10A steel U10 steel Steel AU10E (ASU10E) A85 steel Steel A75 (U7AB)

Designation

Name The value
Designation GOST Cyrillic АУ10Е
Designation GOST Latin AU10E
Transliteration AU10E
The chemical elements -
Name The value
Designation GOST Cyrillic АСУ10Е
Designation GOST Latin ACU10E
Transliteration ASU10E
The chemical elements -

Description

АУ10Е steel is used: for the production of bars with special surface finish diameter of 1−6 mm, used for the manufacture of parts for watches exposed to the subsequent thermal treatment.

Standards

Name Code Standards
Sectional and shaped rolling В32 TU 14-1-2607-78, TU 14-1-3390-82, TU 14-130-263-94

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu Se
TU 14-1-3390-82 0.95-1.04 ≤0.03 ≤0.03 0.15-0.4 ≤0.15 0.15-0.3 ≤0.2 The rest ≤0.2 0.16-0.24
Fe is the basis.
According to TU 14-1-2607-78, TU 14-1-3390-82 the chemical composition is presented for steel grade AU10E. In steel, deviation in selenium content by ± 0.030% is allowed. The introduction into lead steel of up to 0.25% is allowed, with the brand name being changed to ACS10E.

Mechanical characteristics

Section, mm σB, MPa
Bars with special surface finish as supplied on the other 14-1-2607-78
1-4 740-980
4-6 690-880
Bars with special surface finish as supplied on the other 14-1-3390-82
1-4 780-980
4-5.2 740-930

Description mechanical marks

Name Description
Section Section
σB Limit short-term strength

Technological properties

Name The value
Macrostructure and contamination The fracture of steel bars on the other 14-1-2607-78 controlled on the bars with diameter 3.0 mm and above shall be homogeneous and fine-grained. The break should be free of voids, supernote, delaminations, cracks, bubbles and inclusions visible to the naked eye. Decarbonisation on the bars is not allowed.
Microstructure Microstructure of steel on the other 14-1-2607-78 should consist of uniformly distributed fine pearlite and must comply with points 1-4 of the scale GOST 801.
Features of production Bars on the other 14-1-2607-78 supplied in cold-worked condition.

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