ผลิตภัณฑ์โลหะ
เอกสารมาตรฐาน
สหรัฐอเมริกา
AASHTO
M 292M/M 292-22
Carbon and Alloy Steel Nuts for Bolts for High-Pressure or High-Temperature Service, or Both
2022
18
HM42-2022 part 1
This specification covers a variety of carbon, alloy, and martensitic stainless steel nuts in the size range M12 through M100 [1/4 through 4 in.] nominal. It also covers austenitic stainless steel nuts in the size range M12 [1/4 in.] nominal and above. These nuts are intended for high-pressure or high-temperature service, or both. Grade substitutions without the purchaser’s permission are not allowed ...