Steel 50 characteristics
Steel grade 50 is a structural, medium-carbon unalloyed steel used to manufacture clutch parts, springs, shafts, shares and other friction products.
Classification: High-quality structural carbon steel.
Products: Flat-rolled steel, including shaped.
Chemical composition of steel 50 according to ladle sample in accordance with DSTU 7809 and GOST 1050, %
|
С |
Si |
Mn |
S |
P |
Cr |
|
0.47-0.55 |
0.17-0.37 |
0.5-0.8 |
<0.04 |
<0.035 |
<0.25 |
Mechanical properties of steel 50 after normalising
|
Minimum yield strength, MPa |
Minimum temporary resistance, MPa |
Minimum relative elongation, % |
Minimum relative reduction, % |
|
375 |
630 |
14 |
40 |
Steel 50 analogues
|
US |
1049, 1050, 1055, G10490, G10500, G10550 |
|
Germany |
1.0535, 1.0540, 1.1206, 1.1213, C50, C50D, C50E, C55 Cf53, Ck50 |
|
Japan |
S40C, S50C, S53C, S55C |
|
France |
2C50, C45E, C50E, C54, XC48H1, XC48H1TS, XC48TS, XC50 |
|
UK |
060A52, 070M55, 080M50, C50E, C55 |
|
EU |
1.0535, 1.0540, 1.1206, 1.7035, 41Cr4, C50, C50E, C53, C55 |
|
Italy |
C50, C50E, C50R, C53, C55 |
|
Belgium |
C53 |
|
Spain |
C50E |
|
China |
50, 55, SM50 |
|
Sweden |
1655, 1674 |
|
Bulgaria |
50C50E |
|
Hungary |
C50E |
|
Poland |
55, D50 |
|
Romania |
OLC50AT, OLC50X |
|
Czech Republic |
12051, 12060 |
|
Austria |
1050 |
|
Australia |
1035 |
|
South Korea |
SM50C |
Application
Steel grade 50 is actively used to manufacture parts operating under friction and high loads, including gear wheels, couplings, tracks, gearboxes, rolls, rods, axles, shafts and shafts , bandages and springs of shares and springs .
Welding
Steel grade 50 is difficult to weld. Heat treatment is recommended before and after welding. The main welding methods are butt resistance welding and manual arс welding.
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