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Standard
| GB/T 14979-1994 Eutectic carbide of steel - Micrographic method using Standard diagrams (English Version) |
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Detail of GB/T 14979-1994
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Introduction of GB/T 14979-1994
本标准规定了钢的共晶碳化物不均匀度显微评定法的试样的选取与制备、评定方法、标准评级图、试验报告等。本标准适用于经过压力加工变形的莱氏体型高速工具钢、合金工具钢、高碳铬不锈轴承钢高温轴承钢和高温不锈轴承钢中共晶碳化物不均匀度的显微评定。
Contents of GB/T 14979-1994