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ASTM A710 Low-Carbon Quenched & Tempered Steel Plate
Low-carbon A710 steel plate is an age hardening, alloy steel used where weight reduction, ease of fabrication and reduced welding costs are important.
Overview:
Low-carbon, high-yield steel grade that undergoes age hardening (also known as precipitation hardening) to increase yield and tensile strength.
Available in two specifications: A (Class 1, Class 2, Class 3) and B (Class 1, Class 2, Class 3).
Age hardening process results in increased yield and tensile strength, enhanced toughness and improved machinability.
Common applications include the manufacturing of jack-up rigs, construction equipment, rail cars, truck frames, piping components and shipbuilding.
Yield and tensile strengths vary depending on thickness and rolled conditions.
Mill test reports are supplied with each order.
Available Sizes
Leeco® Steel stocks the following standard sizes, but other sizes may be available for special orders.
A710
THICKNESS
WIDTH
LENGTH
Grade A - Class 1
1/4" – 3/4"
48" – 120"
Up to 480"
Grade A - Class 2 & 3
1/4" – 8"
48" – 120"
Up to 480"
Grade B
1/4" – 2"
48" – 120"
Up to 480"
Material Properties
The following material properties are ASTM specifications and will be confirmed on the Mill Test Report.
Grade
Yield Point (ksi)
Tensile Strength (ksi)
Min. 2” Elongation %
A
50-85
60-90
20
B
70-75
80-85
20
Chemical Composition
The following composition properties are ASTM specifications for A710 grades.
Grade A
Carbon
0.07% max
Manganese
0.40-0.70%
Phosphorus max
0.025%
Sulfur max
0.025%
Silicon
0.40% max
Nickel
0.70-1.00%
Chromium
0.60-0.90%
Molybdenum
0.15-0.25%
Copper
1.00-1.30%
Columbium
0.02% min
Grade B
Carbon
0.03-0.09%
Manganese
0.45-1.30%
Phosphorus max
0.025%
Sulfur max
0.025%
Silicon
0.30-0.50%
Nickel
0.80-1.00%
Chromium
0.30% max
Molybdenum
0.25% max
Copper
1.25-1.50%
Columbium
0.02-0.06%
Titanium
0.01-0.03%