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本标准适用于检验直径为6～50mm的轴承钢冷拉圆钢表面纵向的裂纹、折叠等缺陷。规定使用超声波液浸脉冲反射法。探伤波型可选用表面波或横波。本标准可供其他钢种的冷拉圆钢表面超声波探伤参考。
This standard applies to test the diameter of 6 ~ 50mm bearing steel cold drawn steel longitudinal cracks, folding and other defects. The provisions of the ultrasonic liquid immersion pulse reflection method. Flaw detection waveforms can choose surface waves or shear waves. This standard is available for other types of cold rolled steel surface ultrasonic testing reference.