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AISI 8630
Conditions Tensile Properties 
T (°C)Treatment
25 annealed at 845°C   Tensile Strength (MPa) 564.0 
Yield Strength (MPa) 372.3 
Elongation (%) 29.0 
Reduction in Area (%) 58.9 
25 normalized at 870°C   Tensile Strength (MPa) 650.2 
Yield Strength (MPa) 429.5 
Elongation (%) 23.5 
Reduction in Area (%) 53.5 
25 oil quenched, fine grained, tempered at 205°C   Tensile Strength (MPa) 1641 
Yield Strength (MPa) 1503 
Elongation (%) 9 
Reduction in Area (%) 38 
25 oil quenched, fine grained, tempered at 315°C   Tensile Strength (MPa) 1482 
Yield Strength (MPa) 1392 
Elongation (%) 10 
Reduction in Area (%) 42 
25 oil quenched, fine grained, tempered at 425°C   Tensile Strength (MPa) 1276 
Yield Strength (MPa) 1172 
Elongation (%) 13 
Reduction in Area (%) 47 
25 oil quenched, fine grained, tempered at 540°C   Tensile Strength (MPa) 1034 
Yield Strength (MPa) 896 
Elongation (%) 17 
Reduction in Area (%) 54 
25 oil quenched, fine grained, tempered at 650°C   Tensile Strength (MPa) 772 
Yield Strength (MPa) 689 
Elongation (%) 23 
Reduction in Area (%) 63 
Glossary
Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.