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3cr2w8v gang tan dan gong shen leng zuo mo ju
Author(s): 
Pages: 48-49
Year: Issue:  4
Journal: Ordnance Material Science and Engineering

Keyword:  碳氮共渗r2W8V常规热处理冷作模具开裂现象高强度螺栓回火温度渗层厚度模具寿命模具工艺;
Abstract: <正> 首钢秦皇岛机械厂高强度螺栓切边上模原用Cr12钢制造,经常规热处理后,在使用中发现有掉块、开裂现象,使用几百次、甚至几十次就报废。后来提高回火温度、提高了韧性降低了硬度,又出现了较严重的磨损现象。
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