A572/S355JR Round Steel Bar
Reasonable component design and strict process control make it high in purity and excellent in performance. The molten steel casting manufacturing method makes it have good density and uniformity, and ensures that the steel bar has excellent mechanical properties after cooling. It is widely used in construction, bridges, heavy machinery and other fields. At the same time, its low-carbon and low-alloy characteristics make it perform well in welding, forming, corrosion resistance and other aspects.
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Product Detail
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Product name |
A572 Round Steel Bar |
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Standard |
EN/DIN/JIS/ASTM/BS/ASMEN/AISI.ETC. |
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Common Round Bar Specifications |
3.0-50.8 mm, over 50.8-300mm |
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Flat Steel Common Specifications |
6.35*12,7mm, 6.35*25.4mm, 12.7*25.4mm |
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Length |
1-6meters, Size Accept Custom |
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Diameter(mm) |
Hot Rolling Round Bar |
25-600 |
Cold Rolling Square Bar |
6-50.8 |
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Hot Rolling Square Bar |
21-25 |
Cold Rolling Hexagon |
9.5-65 |
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Cold Rolling Round bar |
6-101.6 |
Forged Rebar |
200-1000 |
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Surface Process |
Bright, Polished, Black |
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Other Services |
Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc. |
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Chemical Composition
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A572 |
C |
Mn |
P |
S |
Si |
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Grade42 |
0.21 |
1.35 |
0.03 |
0.03 |
0.15-0.4 |
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Grade50 |
0.23 |
1.35 |
0.03 |
0.03 |
0.15-0.4 |
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Grade60 |
0.26 |
1.35 |
0.03 |
0.03 |
0.4 |
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Grade65 |
0.23-0.26 |
1.35-1.65 |
0.03 |
0.03 |
0.4 |
Physical Performance
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Physical Performance |
Metric |
Imperial |
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Density |
7.80g/cm3 |
0.282 BI/in3 |
Mechanical Properties
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A572 |
Yield Strength(Ksi) |
Tensile Strength(Ksi) |
Elongation % 8inches |
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Grade42 |
42 |
60 |
20 |
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Grade50 |
50 |
65 |
18 |
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Grade60 |
60 |
75 |
16 |
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Grade65 |
65 |
80 |
15 |
Scope of Application
ASTM A572 carbon steel low-alloy steel is widely used as bridge panels, support plates, mechanical mounting plates, etc. for construction equipment, transmission towers, racks and other equipment.
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