A572GR65 alloy steel vs
A573GR65 carbon steelA572GR65 steel is a high-strength low-alloy structural steel, available in shapes, plates, sheet piling, and bars.
A573GR65 steel, different from A572GR65 steel, is a structural quality carbon-manganese-silicon steel plates in tensile strength 415-530 Mpa.
Chemical composition (%)for A572GR65 steel and A573GR65 steel
| Grade |
C max |
Mn |
P max |
S max |
SI |
| A572GR65 |
0.23 |
1.35 max |
0.04 |
0.05 |
0.40max |
| A573GR65 |
0.24 |
0.85-1.2 |
0.035 |
0.04 |
0.15-0.40 |
Mechanical properties for for A572GR65 steel and A573GR65 steel
| Grade |
Yield Strength Mpa |
Tensile Strength Mpa |
Elongation % in 200mm |
Elongation % in 50mm |
| A572GR65 |
450 |
550 |
15 |
17 |
| A573GR65 |
240 |
415-530 |
20 |
- |
Application for A572GR65 steel and A573GR65 steelFor A572GR65 steel applications, A572GR65 plates are intended for riveted or bolted construction of bridges, or for riveted, bolted, or welded construction in other applications such as welded bridge construction, where notch toughness is important, notch toughness requirements are to be negotiated between the purchaser and the producer.
573GR65 steel plates are intended primarily for service at atmospheric temperatures where improved notch toughness is important. If the steel is to be welded, a welding procedure suitable for the grade of steel and intended use or service shall be utilized. The steel shall be made by fine grain practice.
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