U71MN QU70 Crane Rail
YONGYANG Railcan supply all kinds of steel rails, including light rail, heavy rail, crane rail, like U71Mn QU70 crane rail with different standards and specifications.
U71Mn QU70 crane railis mainly used in crane industry. In addition, YONGYANG Rail could also supply other crane rail specifications, like QU80 crane rail, QU100 crane rail and QU120 crane rail.
QU70 RailU71mn Rail Specification:
Size: QU70 crane rail
Length: 12m or other length according to customers’ requirement
Material: U71Mn
Standard: YB/T5055-2014
Materials:
|
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% |
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