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S355 ST52.3 Q345B Square Steel Bar Crane Rail
S355 ST52.3 Q345B Square Steel Bar Crane Rail
Type: Flat Bar Rail
Material: S355, ST52.3, Q345B
Length: according to your requirements
Standard: EN10025-2:2004, DIN17100, GB/T1591-2008

ZongXiang can supply flat steel bar as crane rail, like S355 ST52.3 Q345B square steel bar crane rail.

S355 ST52.3 Q345B square steel bar crane rail is mainly used as crane rail for bridge cranes, hoist cranes, overhead cranes, gantry cranes and semigantry cranes in commercial buildings, warehouses and structures, etc.


1.    Smooth surface

2.    Fast and easy installation

3.    Flat bar crane rail angle radius to protect your crane wheel

4.    We guarantee each steel bar crane rail extremely straight through straighten machine.


Length: 5.8m or other length according to your requirements.

Material: S355 ST52.3 Q345B

Standard: EN10025-2:2004, DIN17100, GB/T1591-2008

(ST52.3, Q345B)
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
355 450-680 ≤0.22 ≤0.55 ≤1.60 0.025 0.025 0.25 0.25 0.25

Size Height(mm) Width(mm) Weight(kg/m)
30×30mm 30 30 7.065
40×40mm 40 40 12.56
50×50mm 50 50 19.625
60×60mm 60 60 28.26
70×70mm 70 70 38.465
80×80mm 80 80 50.24
90×90mm 90 90 63.585
100×100mm 100 100 78.5
110×110mm 110 110 94.985

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