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AISI 4130
Conditions Tensile Properties 
T (°C)Treatment
25 annealed at 865°C   Tensile Strength (MPa) 560.5 
Yield Strength (MPa) 360.6 
Elongation (%) 28.2 
Reduction in Area (%) 55.6 
25 normalized at 870°C   Tensile Strength (MPa) 668.8 
Yield Strength (MPa) 436.4 
Elongation (%) 25.5 
Reduction in Area (%) 59.5 
25 water quenched, fine grained, tempered at 205°C   Tensile Strength (MPa) 1627 
Yield Strength (MPa) 1462 
Elongation (%) 10 
Reduction in Area (%) 41 
25 water quenched, fine grained, tempered at 315°C   Tensile Strength (MPa) 1496 
Yield Strength (MPa) 1379 
Elongation (%) 11 
Reduction in Area (%) 43 
25 water quenched, fine grained, tempered at 425°C   Tensile Strength (MPa) 1282 
Yield Strength (MPa) 1193 
Elongation (%) 13 
Reduction in Area (%) 49 
25 water quenched, fine grained, tempered at 540°C   Tensile Strength (MPa) 1034 
Yield Strength (MPa) 910 
Elongation (%) 17 
Reduction in Area (%) 57 
25 water quenched, fine grained, tempered at 650°C   Tensile Strength (MPa) 814 
Yield Strength (MPa) 703 
Elongation (%) 22 
Reduction in Area (%) 64 
Glossary
Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Metal 3D Printing Design Guide

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

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.