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AISI Type 312
Category Steel
Class Stainless steel
Type Austenitic nonstandard
Common Names Chromium-Nickel steel
Designations  United States: SAE 30312

Composition
ElementWeight %
C  0.15 
Mn  2.00 
Si  1.00 
Cr  30.0(nom) 
Ni  9.0(nom) 
P  0.045 
S  0.03 

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) 655  25  (weld metal) 
Yield Strength (Mpa)  
Elongation (%) 20 
Reduction in Area (%)  
Glossary
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.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

3D Scanners

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