ASTM A194 Grade 8 Bolt, Nuts, Washers Manufacturer in India

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ASTM A194 Grade 8, ASTM A194 Grade 8 Bolt, Nuts, ASTM A194 Bolt Manufacturer in India – China Inconel Bolts Inc.

ASTM A194 Grade 8 is a high-strength 5 percent chromium ferritic steel used to manufacture bolts, studs, stud bolts, and other fasteners for bolting pressure vessels, valves, flanges, and fittings, particularly in the power generation industry. The ASTM A194 standard includes alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings used in high temperature or high-pressure applications, as well as other special applications. There are many grades covered, including ferritic steels and austenitic stainless steels with designations such as B5, B6, B7, B8, B8M, and so on.

ASTM A194 Grade 8 Chemical Composition

Grade	Material	UNS Number	C, %	Mn, %	Ph, %	S, %	Si, %	Cr, %	Ni, %	Mo, %	Ti, %	Cb & Ta, %	N, %	Other Elements, %
8	Type 304	S30400	0.080	2.000	0.045	0.030	1.000	18.0-20.0	8.0-11.0		–	–	–	–

ASTM A194 Grade 8 Hardness Requirement

Grade & Type	Brinell Hardness	Rockwell Hardness
Grade & Type	Brinell Hardness	C Scale	B Scale
8	126-300	32 max	60 min