ASTM A572-50 steel has a higher yield and tensile strength than A36 steel, combined with a lower weight. A 572-50 plate is ductile and easy to form. ASTM A 572 Grade 50 section steel can be successfully machined with the appropriate techniques and is easy to weld.
ASTM A 572 Grade 50 Chemical Composition
Carbon (C)
|
Manganese (Mn)
|
Silicon (Si)
|
Vanadium (V)
|
Niobium (Nb)
|
Phosphorus (P)
|
Sulfur (S)
| |
Over 1-1/2"
|
0.23
|
1.35
|
0.15-0.4
|
0.01-0.05
|
0.005-0.05
|
0.04
|
0.05
|
Up to 1-1/2"
|
0.23
|
1.35
|
0.4
|
0.01-0.05
|
0.005-0.05
|
0.04
|
0.05
|
ASTM A572 Grade 50 Mechanical Properties
Tensile Strength (PSI) |
Yield Strength (PSI)
|
Elongation in 2"
|
Brinell Hardness
|
65,000
|
50,000
|
19
|
135
|
ASTM A 572 Grade 50 is widely used in many applications. It is commonly used in structural applications, heavy construction equipment, building structures, heavy duty anchoring systems, structural steel shapes, and other applications.
ASTM A 572 Grade 50 Steel Specification
Cutting
A 572 can be cut with plasma, laser, and water jet, as well as with abrasive cut off saws.
Machining
Drilling, tapping, milling, and general machining can be done with conventional equipment and carbide tools.
A 572 steel has excellent weld ability and can be welded with simple procedures and common consumables such as E 7018.
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