What Is astm a516 gr.70 pressure vessel plates
A516Gr70 pressure vessel steel plate is a common type of steel plate in the steel industry, classified as an American Standard pressure vessel steel plate. The "A" denotes that the steel plate is suitable for pressure vessels specified by the American Standard (ASME). '516' is the standard number. Steel plates with this number have good toughness and impact resistance, making them suitable for the manufacture of pressure vessels in medium-to-low temperature environments. "Gr70" indicates the material grade. "70" refers to the tensile strength grade of 70 ksi. Steel plates of this grade have high strength and can withstand certain pressure loads. They are widely used in industries such as petroleum, chemicals, power plants, and boilers for the manufacture of equipment and components such as reactors, heat exchangers, and spherical tanks.
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Mechanical Properties of astm a516gr70 pressure vessel plates
| products |
 |
| Model number | astm a516 gr.70 pressure vessel plates |
| Executive standard | A516 /A 516M-06 |
| Delivery status | Hot rolling, normalizing, etc |
| Yield strength | ≥355MPa |
| Tensile strength | 470MPa-630MPa |
| Elongation after fracture | ≥22% |
| Impact temperature | 20℃ |
Chemical Composition of astm a516gr70 pressure vessel plates
| a516 gr.70 pressure vessel plates | |
|---|---|
| C | 0.3 |
| Si | 0.13-0.45 |
| Mn | 0.79-1.30 |
| P | 0.035 |
| S | 0.035 |
Chemical Composition of A516Gr70
- Carbon (C): Generally required to be ≤0.30%. Carbon content affects the strength of steel plates; excessive content reduces their toughness and weldability.
- Silicon (Si): Typically ranges from 0.13% to 0.45%. This element enhances the strength and hardness of steel.
- Manganese (Mn): Typically ranges from 0.79% to 1.30%. This element improves the strength and toughness of steel and also serves to deoxidize and desulfurize, thereby enhancing steel quality.
- Phosphorus (P): Typically required to be ≤0.035%. Phosphorus is a harmful element; excessive levels increase the cold brittleness of steel plates and reduce plasticity and toughness.
- Sulfur (S): The requirement is ≤0.035%. Sulfur is also a harmful element, causing hot brittleness in steel and reducing the hot working performance and weldability of steel plates.
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High strength
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Good plasticity and toughness
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Good weldability
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Good corrosion resistance
Product Parameter
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Basic feature
| Title | details |
| Material | a516 gr.70 pressure vessel plates |
| Thickness | 8 mm -150 mm |
Surface Treatment |
With anti-rust painting. |
| Width | 1500 mm - 2600 mm |
| Application | Widely used in petroleum, chemical, electric power and other industries for pressure vessel steel plate |
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