|GB 55CrMnA Spring Steel Bars|
Katalor will manufacture and supply GB 55CrMnA hot rolled bar, forged steel bars and cold drawn steel bars with various shapes and sizes.
GB 55CrMnA Spring Steel Bars description
GB 55CrMnA special steel is under Chinese standard GB/T 1222-2007. It belongs to spring steel. Shanghai Katalor will manufacture and supply GB 55CrMnA hot rolled bar, forged steel bars and cold drawn steel bars with various shapes and sizes. Welcome to our factory and visit the processing line.
Standard: GB/T 1222-2007
Product: 55CrMnA special steel, 55CrMnA spring steel
Available Dimension:
Round rolled bars: Φ10~220
Flat rolled bars: 5~50×44~150
Square rolled bars: □80~140
Chemical composition(%, by weight):
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
0.52 - 0.60 |
0.17-0.37 |
0.65- 0.95 |
0.025 max. |
0.025 max. |
0.65-0.95 |
0.35 max. |
0.25 max. |
Mechanical properties:
quenching temperature |
quenching medium |
tempering temperature ℃ |
tensile strength MPa min. |
yield strength |
elongation after fracture % min. |
reduction of area % min. |
830-860 |
oil |
460-510 |
1225 |
1080 |
9 |
20 |
Delivery condition: hot-rolled, annealed and bright bars. if required, heat treatment condition shall be marked.
If you are interested in 55CrMnA spring steel round bar or 55CrMnA flat bars, please send your inquiry to our email ([email protected] ). We will contact you within 24 hours.