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AISI 4130H
Category Steel
Class Alloy steel
Type H-steel
Common Names Chromium-molybdenum steel
Designations  France: AFNOR 25 CD 4 (S)
Germany: DIN 1.7218
Italy: UNI 25 CrMo 4 , UNI 25 CrMo 4 KB
Japan: JIS SCCrM 1 , JIS SCM 2
Sweden: SS 2225
United Kingdom: B.S. CDS 110
United States: ASTM A304 , SAE J1268 , UNS H41300

Composition

ElementWeight %
C  0.27-0.33 
Mn  0.30-0.70 
Cr  0.75-1.20 
Mo  0.15-0.25 
P  0.035 
S  0.040 
Si  0.15-0.30 

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) 560  25  annealed at 865°C  more
Yield Strength (Mpa) 360 
Elongation (%) 28.2 
Reduction in Area (%) 56 
Hardness (HB) 156  25  annealed at 865°C more

Thermal Properties

Properties Conditions 
T (°C)Treatment
Thermal Conductivity (W/m-K) 42.7  100 more  
Specific Heat (J/kg-K) 477  50-100 more  

Electric Properties

Properties Conditions 
T (°C)Treatment
Electric Resistivity (10-9W-m) 223  20 more  
Glossary
Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

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.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!