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ASTM A516 Grade 70 Carbon Steel Plate
ASTM A516 is the standard specification for carbon steel plates used in pressure vessels operating at low to moderate temperatures. Among its grades, A516 Grade 70 stands out for its excellent notch toughness, good weldability, and reliable performance in sub-ambient temperature environments. This steel is widely used in pressure vessels and industrial boilers, capable of withstanding high pressures across varying temperatures.
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Product Information of ASTM A516 Grade 70 Carbon Steel Plate
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Use: |
Pressure vessel and boiler applications |
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Material: |
Normalisedcarbonsteel |
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Thickness: |
5 mm – 75 mm |
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Sizes Available: |
1 200 mm x 2 500 mm |
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2 500 mm x 12 000 mm |
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Special Features: |
Excellent notch toughness, excellent weldability and workability |
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Information: |
Yield 250 MPa, UTS 430-550 MPa, Impact tested @-20℃ |
Advantages of ASTM A516 Grade 70 Carbon Steel Plate
High-value pressure vessel quality steel plate
Excellent notch toughness and weldability
Suitable for moderate to low temperature service
Disadvantages of ASTM A516 Grade 70 Carbon Steel Plate
Not easily formed or machined
Industries Served of ASTM A516 Grade 70 Carbon Steel Plate
A516 Grade 70 meets the demanding standards of the oil, gas, and petrochemical industries, making it ideal for use in boilers and pressure vessels.
Applications of ASTM A516 Grade 70 Carbon Steel Plate
Pressure vessels
Industrial boilers
Equipment requiring high notch toughness in low to moderate temperature conditions
FAQs
1. What is A516 Grade 70 steel?
A516 comes in four grades: 55, 60, 65, and 70. Grade 70 is the most widely used, with the highest tensile strength of 485–625 MPa, making it a top choice for pressure vessel quality carbon steel plate.
2. What is ASTM A516?
ASTM A516 is the American Society for Testing and Materials designation for Pressure Vessel Quality (PVQ) carbon steel plate, offering tensile strengths between 380–620 MPa depending on the grade. PVQ steels are specifically engineered to hold gases or liquids at elevated pressures and must meet strict chemical and mechanical property requirements.
3. What is the difference between Grade 60 and Grade 70?
The main difference is tensile strength:
Grade 60: 415–550 MPa
Grade 70: 485–620 MPa (highest among all grades)
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