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1.1 This test method covers the procedures used to conduct a temperature uniformity survey on a furnace used to heat treat steel products. This method is used to determine the capability of the furnace to meet the permissible temperature variation specified in the applicable product specification, or as agreed to by the purchaser and supplier of heat treat services. Survey documentation requirements, and the procedure used to subsequently establish the furnace working zone, are defined in this test method.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E207 Test Method for Thermal EMF Test of Single Thermoelement Materials by Comparison with a Reference Thermoelement of Similar EMF-Temperature Properties
E220 Test Method for Calibration of Thermocouples By Comparison Techniques
E230 Specification and Temperature-Electromotive Force (EMF) Tables for Standardized Thermocouples
E608/E608M Specification for Mineral-Insulated, Metal-Sheathed Base Metal Thermocouples
SAE StandardAMS 2750 Pyrometry
ICS Number Code 25.200 (Heat treatment)
UNSPSC Code 23281603(Heat treating age hardening furnace )
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ASTM A991 / A991M-98, Standard Test Method for Conducting Temperature Uniformity Surveys of Furnaces Used to Heat Treat Steel Products, ASTM International, West Conshohocken, PA, 1998, www.astm.orgBack to Top