The steel grade A391/A391M-07(2012) is a type of alloy steel that is used in various industries for its specific properties and characteristics. Here are some key features and uses of this steel grade:
1. Chemical Composition:
– Carbon (C): 0.23% max
– Manganese (Mn): 1.35% max
– Phosphorus (P): 0.040% max
– Sulfur (S): 0.050% max
– Silicon (Si): 0.15-0.40%
– Copper (Cu): 0.20% min (when specified)
– Nickel (Ni): 0.20% min (when specified)
– Chromium (Cr): 0.20% min (when specified)
2. Mechanical Properties:
– Tensile Strength: The minimum tensile strength of A391/A391M-07(2012) steel grade is 58,000 psi (400 MPa).
– Yield Strength: The minimum yield strength of this steel grade is 36,000 psi (250 MPa).
– Elongation: The minimum elongation of this steel grade is 19% in 2 inches (50 mm).
3. Standard Number:
A391/A391M-07(2012) is the ASTM standard number for this particular steel grade. ASTM International is a globally recognized organization that establishes standards for various materials and products used in different industries.
4. Corresponding Uses:
– Construction Industry: A391/A391M-07(2012) steel grade is commonly used in the construction industry for structural applications, such as building frames, bridges, and highway guardrails.
– Automotive Industry: This steel grade is also utilized in the automotive industry for manufacturing various components, including body panels, chassis, and suspension parts.
– Manufacturing Industry: A391/A391M-07(2012) steel grade is used in the manufacturing industry to produce machinery and equipment parts.
– General Engineering: Due to its excellent strength and durability, this steel grade finds applications in general engineering fields where high strength and resistance to wear and tear are required.
In summary, A391/A391M-07(2012) steel grade is a versatile alloy steel that offers good tensile and yield strength. It is widely used in construction, automotive, manufacturing, and general engineering industries.