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Injection Molding Design Guide

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

Metal 3D Printing Design Guide

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

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Essentials of Manufacturing

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AISI 8640H
Conditions Tensile Properties 
T (°C)Treatment
25 cold drawn (round bar (25 mm))  Tensile Strength (MPa) 945 
Yield Strength (MPa) 931 
Elongation (%)
Reduction in Area (%) 43 
25 oil quenched from 845°C, tempered at 540°C (round specimen (50 mm))  Tensile Strength (MPa) 1035 
Yield Strength (MPa) 910 
Elongation (%) 20 
Reduction in Area (%) 45 
25 oil quenched from 845°C, tempered at 540°C (round specimen (25 mm))  Tensile Strength (MPa) 1165 
Yield Strength (MPa) 1000 
Elongation (%) 17 
Reduction in Area (%) 44 
25 oil quenched from 845°C, tempered at 540°C (round specimen (100 mm))  Tensile Strength (MPa) 889 
Yield Strength (MPa) 752 
Elongation (%) 23 
Reduction in Area (%) 45 
25 oil quenched from 845°C, tempered at 540°C (round specimen (75 mm))  Tensile Strength (MPa) 945 
Yield Strength (MPa) 814 
Elongation (%) 22 
Reduction in Area (%) 45 
25 oil quenched from 845°C, tempered at 650°C (round specimen (25 mm))  Tensile Strength (MPa) 972 
Yield Strength (MPa) 827 
Elongation (%) 16 
Reduction in Area (%) 52 
25 oil quenched from 845°C, tempered at 650°C (round specimen (100 mm))  Tensile Strength (MPa) 772 
Yield Strength (MPa) 635 
Elongation (%) 22 
Reduction in Area (%) 53 
25 oil quenched from 845°C, tempered at 650°C (round specimen (50 mm))  Tensile Strength (MPa) 848 
Yield Strength (MPa) 717 
Elongation (%) 19 
Reduction in Area (%) 52 
25 oil quenched from 845°C, tempered at 650°C (round specimen (75 mm))  Tensile Strength (MPa) 793 
Yield Strength (MPa) 655 
Elongation (%) 21 
Reduction in Area (%) 52 
Glossary
Injection Molding Design Guide

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

Metal 3D Printing Design Guide

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

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.