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22/12/2025

CÔNG TY TNHH KỸ THUẬT NHẬT MỸ

Materials	Bolt Grade	Nut Grade	Diameter
Material Alloy Steel	ASTM A193: B7, B7M	ASTM A194 2H, 2HM	1/2" - 4"
	ASTM A193: B16	ASTM A194 7L	1/2" - 4"
	ASTM A320: L7, L7M, L43	ASTM A194 7L, 7ML	1/2" - 2 1/2"
Stainless Steel	ASTM A193: B8, B8M, B8T, B8MLN, B8CLNCuB, B8MLCuN, B8ML4CuN (Class 1, 1A, 1B, 1C, 1D, 2, 2B, 2C)	ASTM A194 8, 8A, 8M, 8MA, 8T, 8MLN, 8CLNCuB, 8MLCuN, 8ML4CuN	1/2" - 4"
Stainless Steel	ASTM A320 : B8, B8M, B8T, B8MLN (Class 1, 1A, 2)	ASTM A194 8, 8A, 8M, 8MA, 8T, 8MLN	1/2" - 4"
High Temperature Stainless Steel	ASTM A453: 660 (Class A, B, C, D)		1/2" - 4"
Super Duplex	ASTM A1082: UNS 32750, 32760S		1/2" - 4"
Non-Ferrous	ASTM F468: UNS C63000 - Nickel Aluminium Bronze Alloy		1/2" – 1 1/2"
High Temperature Steel	EN10269 : 20CrMoVTiB4-10 / 1.7729		1/2" - 4"
CRA	Monel K500 - Nickel Copper Alloy Inconel: 625, 718, 925 - Nickel Chromium Superalloy (NORSOK M-650) S20908		1/2" - 4"
Carbon / Alloy Steel	BS EN ISO 898: Grade 8.8, 10.9, 12.9	BS EN ISO 898: Class 8, 10, 12	M8 – M39