Audited Supplier
rane Rail 60X40 steel flat bar
AISI, JIS, ASTM, DIN, BS, GB
ABS, RoHS
Hot Rolled
Thick
Hot Rolled
Non-alloy
St52-3 St52 Hot Rolled Steel Flat Bar for Crane Ra
30X50, 40X60, 40X70 and So on
Hot Rolled Black
5tons Per Size
7-25 Days
Rectangular Bar
Good Straightness, Smooth Surface
Standard Sea Worthy
30X50, 40X60, 40X70 and so on
China
Product Description
A572 Grade 50 Q345B ST52 ST52-3 Steel Square Bar Steel Rectangular Bar used for crane rail
ST52-3 Smooth surface steel flat bar used for crane rails.
Grade same to Q345B, A572 Grade 50.
Typical Material : A572, GR 50, ST52-3, S355JR, Q345B
Advantages of our Flat Bars
1.R corner 3mm , the best Corner for crane rail,
which can make the rail wheel to run easily.
2.Perfect Straightness with max 3mm/m
3.Smooth Surface without any cracks .
4.Both end cut by saw ,which makes easy assembleing in future processing
5.Fixed Length in 5.8m or 6m, without any short lengths
Overhead Crane Rail 60X40 ST52-3 S355 Steel Flat Bar
1.ST52-3 Q345 Steel Equivalent
2.ST52-3 Q345 Steel chemical composition
3.Mechanical property of ST52-3 Q345 Steel
Yield strength (≥ N/mm2); Thickness (d) mm
Tensile Strength(≥ N/mm2);
Our Factory is with more than 20 years of steel rolling history. There are two production plants with an annual production capacity of more than 50,000 tons and annual sales of more than 150 million yuan. Leading products are hot-rolled flat steel, square steel and profiled steel, widely used in curtain walls, steel structures, automobiles, shipbuilding, metallurgy, power, chains, cold drawing, machining, engineering machinery, concrete machinery, highways, large tunnels, Bridge, urban rail transit, high-speed railway and other industries. Our markets are all over the world such as the United of Emirates, Saudi Arab, Oman, South Korea, Vietnam, Malaysia, India, Pakistan, New Zealand, Australia, Italy, Romania, the United states, Argentina and so on.
ST52-3 Smooth surface steel flat bar used for crane rails.
Grade same to Q345B, A572 Grade 50.
Main Size for Crane Rail Used Flat Bars
Main Size for Crane Rail Used Square Bars
| Type | B | A | Weight(kg/m) |
| 40×30 | 40 | 30 | 9.42 |
| 50×30 | 50 | 30 | 11.78 |
| 50×40 | 50 | 40 | 15.7 |
| 60×40 | 60 | 40 | 18.84 |
| 70×40 | 70 | 40 | 21.98 |
| 80×60 | 80 | 60 | 37.68 |
| 100×60 | 100 | 60 | 47.11 |
| 120×80 | 120 | 80 | 75.37 |
Main Size for Crane Rail Used Square Bars
| Type | B | A | Weight (kg/m) |
| Standard | |||
| 40×40 | 40 | 40 | 12.56 |
| 50×50 | 50 | 50 | 19.63 |
| 70×70 | 70 | 70 | 38.47 |
| 80×80 | 80 | 80 | 50.25 |
Typical Material : A572, GR 50, ST52-3, S355JR, Q345B
Advantages of our Flat Bars
1.R corner 3mm , the best Corner for crane rail,
which can make the rail wheel to run easily.
2.Perfect Straightness with max 3mm/m
3.Smooth Surface without any cracks .
4.Both end cut by saw ,which makes easy assembleing in future processing
5.Fixed Length in 5.8m or 6m, without any short lengths
Overhead Crane Rail 60X40 ST52-3 S355 Steel Flat Bar
1.ST52-3 Q345 Steel Equivalent
| Germany | US | European Union | GB | |||
| Standard | Steel | Standard | Steel | Standard | Steel (Steel number) | Steel |
| DIN 17100: 1980 | St 52 / St 52-3 | ASTM A572/A572M | Grade 50 | EN 10025-2: 2005 | S355JR | Q345 |
2.ST52-3 Q345 Steel chemical composition
| Grade | C | Si | Mn | P | S | Cr | Ni | Cu |
| Q345 / ST52-3 | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | 0.035 | ≤0.30 | ≤0.50 | ≤0.30 |
3.Mechanical property of ST52-3 Q345 Steel
Yield strength (≥ N/mm2); Thickness (d) mm
| Steel (Steel number) | d≤16 | 16< d ≤40 | 40< d ≤63 | 63< d ≤80 | 80< d ≤100 | >100 |
| St52-3 | 355 | 345 | 335 | 325 | 315 | by agreement |
Tensile Strength(≥ N/mm2);
| Steel (Steel number) | d<3 | 3 ≤ d ≤ 100 | >100 |
| St 52-3 | 515-680 | 490-630 | by agreement |
Our Factory is with more than 20 years of steel rolling history. There are two production plants with an annual production capacity of more than 50,000 tons and annual sales of more than 150 million yuan. Leading products are hot-rolled flat steel, square steel and profiled steel, widely used in curtain walls, steel structures, automobiles, shipbuilding, metallurgy, power, chains, cold drawing, machining, engineering machinery, concrete machinery, highways, large tunnels, Bridge, urban rail transit, high-speed railway and other industries. Our markets are all over the world such as the United of Emirates, Saudi Arab, Oman, South Korea, Vietnam, Malaysia, India, Pakistan, New Zealand, Australia, Italy, Romania, the United states, Argentina and so on.
