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AISI S1
ConditionsHardness
T (°C)TreatmentMethodValue
25 annealed   HRB 96 
25 oil quenched from 930°C, single tempered at 205°C   HRC 57.5 
25 oil quenched from 930°C, single tempered at 315°C   HRC 54 
25 oil quenched from 930°C, single tempered at 425°C   HRC 50.5 
25 oil quenched from 930°C, single tempered at 540°C   HRC 47.5 
25 oil quenched from 930°C, single tempered at 650°C   HRC 42 
Glossary
STEM Career Outlook

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

Mechanical Engineers Outlook

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

Selecting the Right 3D Printer

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

CNC Machining Design Guide

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