ASTM F568 Grade 5.8 Threaded Rods, ASTM F568 Grade 5.8 Bolts, ASTM F568 Grade 5.8 Studs, ASTM F568 Grade 5.8 Screws Supplier in Mumbai, India.

The ISO 898 specification is the mechanical and physical characteristics standard for metric fasteners, according to the International Organization for Standardization. The bolts of the ISO 898 Class 5.8 Steel Bolt specification can be made of either low or medium carbon steel. The Iso 898 Class 5.8 Steel Bolt can also be made from carbon steel with additions, according to the standard. To strengthen the strength of Steel Bolt Grade 5.8, it can be cold worked or cold hardened. The alloy of the Class 5.8 Bolt is cold hardened or cold worked by plastically deforming the alloy, resulting in a stronger, tougher end product. The size of the standard Grade 5.8 Bolt in a cold work hardened condition.

Chemical Composition

Strength class	Material and heat treatment	Chemical composition (analysis on the product) %					Minimum hardening temperature °C
		C		P	S	B
		min	max	max	max	max
5.8 Grade Bolt	Carbon steel	-	0,55	0,050	0,060	Not specified	-

Mechanical Properties