ASTM A276 Type 321, ASTM A276 Type 321 Bolt, Nuts, ASTM A240 Bolt Manufacturer in India – Ananka Group
ASTM A276 Type 321 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 A240 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 A276 Type 321 Chemical Composition
| Grade Symbol |
UNS Number |
Elements |
Composition, % |
| Type 321 |
S32100 |
Carbon |
0.08 max |
| Manganese |
2.00 max |
| Phosphorus |
0.045 max |
| Sulfur |
0.030 max |
| Silicon |
1.00 max |
| Chromium |
17.00 – 19.00 |
| Nickel |
9.00 – 12.00 |
| Titanium |
5×(C+N)-0.70 |
ASTM A276 Type 321 Mechanical Composition
| Property |
Value |
| Finish |
Hot-Finished & Cold Finished |
| Tensile Strength, min, ksi [MPa] |
75 [515] |
| Yield Strength, min, ksi [MPa] |
30 [205] |
| Elongation in 2 in. [50mm] or 4D, min, % |
40 |
| Reduction or Area, min, % |
50 |
| Brinell Hardness Number, HBW |
…. |
ASTM A276 Type 321 Bolt, Nuts, Washers Manufacturer in India
| The city we supply ASTM A276 Type 321 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 A276 Type 321 Bolt, Nuts, Washers Manufacturer in India
| Countries we supply and export ASTM A276 Type 321 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
