Steel 38ХГСА (38ХГС)

Designation

Name The value
Designation GOST Cyrillic 38ХГСА
Designation GOST Latin 38XGCA
Transliteration 38HGSA
By chemical elements 38CrMnС
Name The value
Designation GOST Cyrillic 38ХГС
Designation GOST Latin 38XGC
Transliteration 38HGS
By chemical elements 38CrMnС

Description

38ХГСА steel is used: for the manufacture of flanges, Cams, fingers, rollers, levers, axles, parts, welded structures and other improve parts of complex configuration, working under alternating loads.

Note

Structural steel high-quality chromonemata.

Standards

Name Code Standards
Bars and shapes В32 TU 14-1-184-72

Physical characteristics

Temperature Е, HPa G, HPa r, kg/m3 l, W/(m · °C) R, Mr. · m a, 10-6 1/°C С, J/(kg · °C)
0 215 84 7850 38 210 - -
20 215 83 7850 38 210 - -
100 210 82 7830 38 - 118 495
200 204 79 7800 37 - 123 505
300 195 75 7760 37 - 129 512
400 186 70 7730 36 - 134 535
500 175 66 7700 34 - 137 586
600 166 61 7670 32 - 140 620

A description of the physical symbols

Name Description
Е The normal elasticity modulus
G Modulus of elasticity shear torsion
r Density
l Coefficient of thermal conductivity
R UD. the resistivity
a The coefficient of linear expansion
С Specific heat

Technological properties

Name The value
Weldability Limited weldability. Welding methods: SMAW, ADS submerged arc and gas protection, ARDS. Recommended heating and subsequent heat treatment is required, the CCC without restriction.
The temperature of forging Start - 1250 °C, the end - 860 °C. the cross Sections up to 100 mm are cooled in air, 101-200 mm - mulde, 201-300 mm - with oven.
Flock-sensitive sensitivity Sensitive.
Machinability In hot-rolled condition in NV 207-217 blower SB=710 MPa Kn TV.SPL.=0,85 Kn b.St.=0,75.