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ASTM A194 Grade 4, ASTM A194 Grade 4 Bolt, Nuts, ASTM A194 Bolt Manufacturer in India – Ananka Group

ASTM A194 Grade 4 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 4 Chemical Composition

Grade	Material	UNS Number	C, %	Mn, %	Ph, %	S, %	Si, %	Cr, %	Ni, %	Mo, %	Ti, %	Cb & Ta, %	N, %	Other Elements, %
4	carbon, molybdenum		0.40-0.50	0.70-0.90	0.035	0.040	0.15-0.35		–	0.20-0.30	–	–	–	–

ASTM A194 Grade 4 Hardness Requirement

Grade & Type	Brinell Hardness	Rockwell Hardness
Grade & Type	Brinell Hardness	C Scale	B Scale
4, 7, 16	248-327	24 – 35	–

ASTM A194 Grade 4 Bolt, Nuts, Washers Manufacturer in India

The city we supply ASTM A194 Grade 4 Bolt, Nuts, Washers:
Bengaluru	Mumbai	Chennai	Hyderabad	Kolkata	Pune
New Delhi	Ahmedabad	Jaipur	Surat	Salem	Gandhinagar
Bhiwandi	Tiruppur	Sivakasi	Jamnagar	Thiruvananthapuram	Rajahmundry
Bhubaneswar	Vijaywada	Firozabad	Bokaro Steel City	Rajkot	Bharuch
Panna	Raipur	Cochin	Ludhiana	Panipat	Durgapur
Peenya	Pimpri-Chinchwad	Channapatna	Kharagpur	Nashik	Bareilly
Varanasi	Haldia	Rourkela	Bangalore	Moradabad	Indore
Visakhapatnam	Trivandrum	Pithampur	Dibrugarh	Angul	Gwalior
Coimbatore	Kannur	Nagpur	Vadodara	Rudrapur	Noida
Agra	Bhagalpur	Jamshedpur	Bhilai	Lucknow	Kanpur
Thane	Bhopal	Sri City	Bareilly	Hosdurg	Pithampur