Hot Rolled ASTM A36 Mild Steel Plates

Hot Rolled ASTM A36 Mild Steel Plate has a processing performance of 72% and an average surface cutting feed of 120 ft/min, which is less difficult to machine than AISI 1018 steel. ASTM A36 steel uses any type of welding method, is easy to weld, and has excellent weld and joint forming quality.

Difference between ASTM A36 and C1018 

ASTM A36 is the most commonly used mild steel and hot rolled steel. It has excellent weldability and is suitable for grinding, punching, tapping, drilling and machining processes. The yield strength of ASTM A36 mild steel is less than the yield strength of cold rolled C1018, making ASTM A36 easier to bend than C1018. Generally, the larger diameter in ASTM A36 is not produced due to the use of the C1018 hot rolling wheel.
ASTM A36 Mild Steel Plates Chemical Composition (by weight)

Carbon,	C 0.20%
Iron,	iron 98%
Manganese,	manganese 1.03%
Phosphorus,	phosphorus 0.040%
Silicon,	silicon 0.280%
Sulfur,	S 0.050%

ASTM A36 Mild Steel Plates Heat Treatment

Any standard carburizing method for AISI 1018 steel is available for ASTM A36.
ASTM A36 performs the following process:
899 ° C ~ 954 ° C (1650 ° F ~ 1750 ° F) normalizing
Annealing 843 ° C ~ 871 ° C (1550 ° F ~ 1600 ° F)
Stress relief at 677 ° C ~ 927 ° C (1250 ° F ~ 1700 ° F)
Carburizing at 899 ° C ~ 927 ° C (1650 ° F ~ 1700 ° F)
Hardened at 788 ° C ~ 816 ° C (1450 ° F ~ 1500 ° F)

Applications of ASTM A36 Mild Steel Plates 

Due to the relatively good strength, formability of A36 steel, and the fact that it can be easily welded, it is commonly used as a structural steel. It can be found in buildings, bridges and other large-scale structures. ASTM A36 mild steel is available in many forms, including sheets, rectangular bars, circular rods, beams and angled cross-sections. ASTM A36 steel plate is ideal for grinding, tapping, drilling, punching and machining. A36 is often galvanised to prevent corrosion.
 

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