Tag Archive for Tag: Punching Holes

Tag: Punching Holes Effects of Punching Holes and Shearing

Excessive cold working of exposed edges of structural-steel members can cause and cracking and should be avoided. Punching holes and shearing during fabrication are cold-working operations that can cause brittle failure in thick material. Bolt holes, for example, may be formed by drilling, punching, or punching followed by reaming. Drilling is preferable to punching, because punching drastically coldworks the material

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