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ASTM A36 steel Introduction:
ASTM A36 steel is one of the popular and widely used carbon structural steels which is mild and hot rolled. ASTM A36 carbon steel has ultimate welding properties and it is perfectly suitable for punching, grinding, drilling, tapping and machining processes.
Yield strength of ASTM A36 is less than that of cold roll C1018, thus enabling ASTM A36 to bend more readily than C1018. Normally, larger diameters in ASTM A36 are not produced since C1018 hot roll rounds are used.
ASTM A36 steel Chemical Composition:
Element |
Content |
Carbon, C |
0.25 - 0.290 % |
Copper, Cu |
0.20 % |
Iron, Fe |
98.0 % |
Manganese, Mn |
1.03 % |
Phosphorous, P |
0.040 % |
Silicon, Si |
0.280 % |
Sulfur, S |
0.050 % |
ASTM A36 steel Mechanical Properties:
Mechanical Properties |
Metric |
Imperial |
Tensile Strength, Ultimate |
400 - 550 MPa |
58000 - 79800 psi |
Tensile Strength, Yield |
250 MPa |
36300 psi |
Elongation at Break (in 200 mm) |
20.0 % |
20.0 % |
Elongation at Break (in 50 mm) |
23.0 % |
23.0 % |
Modulus of Elasticity |
200 GPa |
29000 ksi |
Bulk Modulus (typical for steel) |
140 GPa |
20300 ksi |
Poissons Ratio |
0.260 |
0.260 |
Shear Modulus |
79.3 GPa |
11500 ksi |
ASTM A36 steel is generally available in the many forms i.e. it is available in rectangle bar, square bar, circular bar and also steel shapes like angles, H-beams, I-beams, and channels. This steel plate is also known as mild steel in South East Asian Region.