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Essentials of Manufacturing

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

Mechanical Engineers Outlook

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

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AISI 4147
Category Steel
Class Alloy steel
Type Standard
Common Names Chromium-molybdenum steel
Designations  Germany: DIN 1.7228
Japan: JIS SCM 5 , JIS SCM 5 H
United States: ASTM A322 , ASTM A331 , ASTM A505 , ASTM A519 , SAE J404 , SAE J412 , SAE J770 , UNS G41470

Composition

ElementWeight %
C  0.45-0.50 
Mn  0.75-1.00 
P  0.035 (max) 
S  0.04 (max) 
Si  0.15-0.30 
Cr  0.80-1.10 
Mo  0.15-0.25 

Mechanical Properties

Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.7-8.03 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Glossary
Essentials of Manufacturing

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

Mechanical Engineers Outlook

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

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?