RevA/April 2012 www.raytek.com KEY FACTS Industry Steel processing Customer’s End Product Railway manufacturing Process Temperatures 450 to 900°C/842 to 652°F Ambient Conditions 200°C (392°F) ambient temperature, water steam How can the hardening of railway head rails be measured? Distance to Object 600mm/24in Situation and background After a rail is formed, the rail head is hardened to significan

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