YongYang Special Steel can supply all kinds of steel rails, including light rail, heavy rail, crane rail, like GOST R8 R11 R18 R24 R50 R65 R75 R65K RP50 RP65 RP75 rail with different standards and specifications.U71Mn GOST KP 120, 100, 80, 70 crane rail are mainly used in crane industry. In addition, we could also supply other crane rail specifications designated by customers.
Size | Rail height(mm) | Bottom Width(mm) | Head Width(mm) | Web Thickness(mm) | Weight(kg/m) | Standard | STEEL GRADE |
Russia Standard: GOST 4121-96 | |||||||
KP70 | 120 | 120 | 70 | 28 | 52.8 | GOST 4121-96 | 63 |
KP80 | 130 | 130 | 80 | 32 | 63.69 | DSTU 2484-94 | 63 |
KP100 | 150 | 150 | 100 | 38 | 88.96 | TU 14-2P-393-2005 | 63 |
KP120 | 170 | 170 | 120 | 44 | 118.1 | 63 |
RUSSIA /CHINESE STANDARD U71Mn | Mechanical Property | Chemical Composition | ||||||||||||
Yield strength | Tensile strength | Elongation | Hardness | C | Si | Mn | S | P | Cr | Ni | Cu | |||
MPa | kg/mm² | MPa | kg/mm² | min | HB | ≤ | ≤ | ≤ | ≤ | ≤ | ||||
≥880 | 9% | 0.65-0.76 | 0.15-0.35 | 1.10-1.40 | 0.03 | 0.03 | 0.25 | 0.25 | 0.25 |