By visiting this site, you accept the use of cookies. More about our cookie policy.

Alloy 44NKHTJU

Designation

Name The value
Designation GOST Cyrillic 44НХТЮ
Designation GOST Latin 44HXTJu
Transliteration 44NHTYu
The chemical elements 44NiCrTeAl

Description

Alloy 44NKHTJU used: for the manufacture of elastic and provocatively elements operating at temperatures up to +200 °C.

Note

Alloy dispersion-hardening with low temperature coefficient of modulus of elasticity up to 180−200 °C (15·10-6 1/°C).

Standards

Name Code Standards
Classification, nomenclature and general norms В30 GOST 10994-74
Tapes В34 GOST 14117-85
Steel alloy wire В73 GOST 14118-85
Sectional and shaped rolling В32 GOST 14119-85, TU 14-11-245-88
Classification, nomenclature and general norms В20 OST 1 90005-91

Chemical composition

Standard C S P Mn Cr Si Ni Fe Al Ti
GOST 10994-74 ≤0.05 ≤0.02 ≤0.02 0.3-0.6 5-5.6 0.3-0.6 43.5-45.5 The rest 0.4-0.8 2.2-2.7
Fe is the basis.

Mechanical characteristics

Section, mm t отпуска, °C sT|s0,2, MPa σB, MPa d d10 y, % kJ/m2, кДж/м2 Brinell hardness number, MPa HRC
Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91
- - - ≥1270 - - - - - -
Cold-rolled steel strip (samples) in the delivery state according to GOST 14117-85. Quenching in water from 900-920 °C + Aging at 680-700 °C (extract 3 hours)
0.1-0.9 - - ≥1030 ≥5 - - - - -
1-2 - ≥685 ≥1080 ≥8 - - - - ≥30
Cold-rolled steel strip as supplied by GOST 14117-85
0.1-2 - - ≥800 - - - - - -
Cold-rolled steel strip as supplied by GOST 14117-85. Aging (in the graph, the temperature of leave is specified aging temperature and aging time)
- 680-700, 3ч - - - - - - - -
- 650-675, 1-2ч 1080-1270 1230-1370 ≥3 - - - - -
Cold drawn wire in the delivery state according to GOST 14118-85. Aging at 600-700 °C (exposure 1-2 h), air cooling
0.2-7 - - ≥1370 - - - - - -
0.2-7 - - - - - - - -
Bars and rods, hot-rolled, forged and with special surface finish GOST 14119-85. Quenching in water from 900-920 °C + Aging at 680-700 °C (extract 3-4 hours), air cooling
8-120 - ≥635 ≥980 - ≥15 ≥25 ≥690 300-320 -

Description mechanical marks

Name Description
Section Section
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d Elongation after rupture
d10 Elongation after rupture
y The relative narrowing
kJ/m2 Toughness
HRC Rockwell hardness (indenter diamond spheroconical)

Our consultant will save your time

+49(1516) 758 59 40
Telegram:
WhatsApp:

Subscription

Special offers and discounts. :)