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AISI 1144
Category Steel
Class Carbon steel
Type Standard resulfurized
Designations  United States: ASTM A108 , ASTM A29 , ASTM A311 , FED QQ-S-637 (1144) , SAE J403 , SAE J412 , SAE J414 , UNS G11440

Composition
ElementWeight %
C  0.40-0.48 
Mn  1.35-1.65 
P  0.04 (max) 
S  0.24-0.33 

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  
Tensile Strength (Mpa) 584.7  25  annealed at 790°C  more
Yield Strength (Mpa) 346.8 
Elongation (%) 24.8 
Reduction in Area (%) 41.3 
Hardness (HB) 167  25  annealed at 790°C more
Impact Strength (J)
(Izod)
65.1  25  annealed at 790°C  more
Glossary
Salary Expectation

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

Injection Molding Design Guide

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

3D Scanners

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

Mechanical Engineers Outlook

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