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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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