Tài liệu Tiêu chuẩn đai ốc ASTM A194 - Standard Specification for Carbon and Alloy Steel Nuts for Bolts for H

This specification covers a variety of carbon, alloy, and martensitic stainless steel nuts and metric M6 through M100 nominal. It also covers
austenitic stainless steel nuts in the size range 1⁄4 in. and M6 nominal and above. These nuts are intended for high-pressureor high-temperature service, or both. Grade substitutions with-out the purchaser’s permission are not allowed