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AISI 4135H
Category Steel
Class Alloy steel
Type H-steel
Common Names Chromium-molybdenum steel
Designations  France: AFNOR 35 CD 4 , AFNOR 35 CD 4 TS
Germany: DIN 1.7220
Italy: UNI 34 CrMo 4 KB , UNI 35 CrMo 4 , UNI 35 CrMo 4 F
Japan: JIS SCCrM 3 , JIS SCM 1
Sweden: SS 2234
United Kingdom: B.S. 708 A 37
United States: ASTM A304 , SAE J1268 , UNS H41350

Composition

ElementWeight %
C  0.32-0.38 
Mn  0.60-1.00 
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  
Glossary
Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

STEM Career Outlook

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

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Injection Molding Design Guide

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