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Metallic materials and metallurgy industry

Rods and strips of cryogenic hardened steels

Bars: diameter 20mm, length 250-300 mm;

Strips: 1.5 x 40...50 mm, length is 300...350 mm.

ТУ1850-541-56897835-2012 

Mechanical properties at 20 ° 

 

Mark

Tensile strength σв, MPa

Elongation δ5,%

10Х17Н8М2-select

1867…1910

9.8…11

12Х18Н9Т-select

1680…1740

10.7…13

Phase composition: 12Х18Н9Т – austenite; 10Х17Н8М2- austenite + (0,5-1)% ferrite

Purpose: torsion bars, Cup springs

 






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