4063 steel is composed of carbon, silicon, manganese, phosphorus, molybdenum, and sulfur. It has a hardness of 534 Brinell, an ultimate tensile strength of 1855 MPa, a yield tensile strength of 1593 MPa, a modulus of elasticity of 201-209 GPa, and an elongation at break of 8.0%. The microstructure of 4063 steel consists of lower bainite and martensite.

1. MATERIAL SCIENCE AND
ENGINEERING
Topic-Properties and Microstructure of steel
4063

2. Applications:
1. 4063 Steel is used in making
steel grills of vehicle.
2. Used for making pinions.
3. Bolts and nuts.

3. Composition:
4063 steel composed of Carbon,silicon,Manganese
Phosphorus,Molybdenum,Sulfur.
Elements0.2-0.3 Composition (in wt%)
Carbon ≤0.6-0.67
silicon ≤0.2-0,35
Manganese ≤0.75-1
Phosphorus ≤0.04
Molybdenum ≤0.2-0.3
Sulfur ≤0.04
Source:steelgr.com

4. Mechanical Properties:
•
Properities values
Hardness( Brinell) 534
Tensile Strength
(Ultimate)
1855 MPa
Tensile Strength, Yield 1593 MPa
Modulus of Elasticity 201 - 209 GPa
Elongation at Break 8.0 %
Source:matweb.com

5. Microstructure:
Lower Bainite
Martensite
Microstructure of 4063 steel
Source:reserchgate.net

6. NAME-Biswajit Sahu
ROLL NO-1802232
SECTION-M-4
BRANCH- MECHANICAL
GUIDED BY-Dinesh Kumar Rathor