MATERIAL CHEMICAL COMPOSITION
ASTM A 194
Standard specification for nuts in carbon steel, alloy steels and stainless steels for high temperature or high pressure service and special applications.
ASTM A194 specification covers carbon steel, alloy steel and stainless steel nuts intended for use in high pressure and/or high temperature service. Unless otherwise specified, the standard heavy series sized under the parameters of ASME/ANSI B 18.104.22.168 and ASME/ANSI B 1.1 shall be used. Nuts up to D.N 1″ shall be UNC Series 2B. Nuts larger than D.N 1″ shall be type 8UN Series 2B.
STUD, NUT AND WASHER RECOMMENDATION
We are exclusive representatives in Colombia of LAMONS for cutting and supply of asparagus and nuts. We have a large stock of ASTM A 193 B7 and B8 studs, and ASTM A 194 GRADE 2H and GR8 nuts with diameters from 5/8″ to 3″ ready to be installed between ASME B 16.5, ASME B 16.47 and API 6A flanges. The studs are cut with typical 1/8″ bevel on both ends to facilitate installation of the nuts on the stud.
Special materials of asparagus in ASTM B7M, B16, B8M and nuts in ASTM A 194 grade 2HM 4,7 and 8M among others, are imported from LAMONS with excellent delivery times.
We have specialized machinery and equipment for the supply of asparagus and nuts in any diameter and material, which allows us to attend emergencies 24 hours a day, 7 days a week.