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 |
| 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 |
ASTM A194 Grade 4 Bolt, Nuts, Washers Manufacturer in India
| Countries we supply and export ASTM A194 Grade 4 Bolt, Nuts, Washers worldwide: |
| Saudi Arabia |
Oman |
Kuwait |
Netherlands |
Iran |
| Bahrain |
Qatar |
UAE |
Africa |
China |
| Nigeria |
Mexico |
Canada |
Venezuela |
United Kingdom |
| United States |
South Africa |
Malaysia |
Bangladesh |
Turkey |
| Singapore |
Sri Lanka |
Australia |
Brazil |
Germany |
| France |
Italy |
South Korea |
Poland |
Belgium |
Other types of ASME, ASTM Grades
