Stainless Steel 321 is a precipitation, age hardenable stainless steel. It's principal features are high transverse toughness, good resistance to general and stress corrosion cracking, and high strength that is developed by a single low temperature heat treatment.
Aluminum | 0.9 - 1.35 |
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Carbon | 0.05 max |
Chromium | 12.25 - 13.25 |
Iron | Balance |
Manganese | 0.2 max |
Molybdenum | 2 - 2.5 |
Nickel | 7.5 - 8.5 |
Nitrogen | 0.01 max |
Phosphorus | 0.01 max |
Silicon | 0.1 max |
Sulphur | 0.008 max |
Principal Design Features | 321 is a precipitation, age hardenable stainless steel. It's principal features are high transverse toughness, good resistance to general and stress corrosion cracking, and high strength that is developed by a single low temperature heat treatment. |
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Stainless Steel 321 Applications | This alloy has been used in aircraft components such as landing gear and structural sections, valves, shafts, and components in the petrochemical and nuclear industries. |
Stainless Steel 321 Machinability | This is a tough machining stainless steel. Although it can be machined in all conditions, best results can be obtained in condition H1150M. Compared to type 304 stainless, speeds should be roughly 25 % lower for optimum tool life and finish. |
Stainless Steel 321 Forming | This alloy can be formed using conventional techniques with the degree of formability being limited only by its high initial yield strength. |
Stainless Steel 321 Welding | Best welded in the solution annealed condition, using 321 filler material. Both resistance and inert gas shielded methods are acceptable. |
Stainless Steel 321 Heat Treatment | CONDITION A--Soak at 1700 F (927 C) and cool below 60 F (16 C) for 1 hour. CONDITION RH 950- Treat Condition A material at -100 F(-73C) for 2 hours, air warm to room temperature (within 24 hours of solution treatment). Then heat cold treated material to 950 F(510 C) for 4 hours and air cool. CONDITION H950, H1000, H1050, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool. |
Stainless Steel 321 Forging | Soak at 2150 F(1177 C) for 1 hour prior to forging. Do not work below 1750 F(954 C). All forgings should be solution treated prior to final hardening. Air cool to room temperature after forging. |
Stainless Steel 321 Hot Working | 13-8 can be satisfactorily hot worked. Hot worked material must be solution annealed prior to hardening for reliable results. |
Stainless Steel 321 Cold Working | Despite its high initial yield strength, this alloy can be satisfactorily cold worked. |
Density (lb / cu. in.) | 0.28 |
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Specific Gravity | 7.76 |
Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) | 0.11 |
Electrical Resistivity (microhm-cm (at 68 Deg F)) | 613 |
Modulus of Elasticity Tension | 28.3 |
Stainless Steel 321 Sheets & Plates | Stainless Steel 321 Olets |
Stainless Steel 321 Globe valves | Stainless Steel 321 Strips & Coils |
Stainless Steel 321 Nippolets | Stainless Steel 321 Check valves |
Stainless Steel 321 Round bars | Stainless Steel 321 Sockolet |
Stainless Steel 321 Ball valves | Stainless Steel 321 Hexagonal Bars |
Stainless Steel 321 Threadolet | Stainless Steel 321 forged valves |
Stainless Steel 321 Flat bars | Stainless Steel 321 Union fittings |
Stainless Steel 321 Butterfly valves | Stainless Steel 321 forged bars |
Stainless Steel 321 Socket weld fittings | Stainless Steel 321 needle valves |
Stainless Steel 321 Seamless Pipes | Stainless Steel 321 Forged Threaded fittings |
Stainless Steel 321 Plug valves | Stainless Steel 321 Welded pipes |
Stainless Steel 321 Plugs and Bushings | Stainless Steel 321 Bleed valves |
Stainless Steel 321 Seamless Tubes | Stainless Steel 321 Weld neck flanges |
Stainless Steel 321 custom valves | Stainless Steel 321 Welded tubes |
Stainless Steel 321 slip on flanges | Stainless Steel 321 Wires |
Stainless Steel 321 Large diameter pipe & Tube | Stainless Steel 321 Blind flanges |
Stainless Steel 321 Reducer | Stainless Steel 321 flanges |
Stainless Steel 321 Lap joint flanges | Stainless Steel 321 Cap |
Stainless Steel 321 Valves | Stainless Steel 321 Threaded flanges |
Stainless Steel 321 Concentric reducer | Stainless Steel 321 forged fittings |
Stainless Steel 321 large diameter flanges | Stainless Steel 321 Eccentric reducer |
Stainless Steel 321 Buttweld fittings | Stainless Steel 321 custom flanges |
Stainless Steel 321 stubend | Stainless Steel 321 Forged components |
Stainless Steel 321 forged flanges | Stainless Steel 321 blank flanges |
Stainless Steel 321 CNC components | Stainless Steel 321 buttweld flanges |
Stainless Steel 321 spectacle flanges | Stainless Steel 321 elbow & tee |
Stainless Steel 321 plate flanges | Stainless Steel 321 welded flanges |
Stainless Steel 321 gate valves | Stainless Steel 321 bends | Stainless Steel 321 Nipples |
METALMINISTRY INC. supply Stainless Steel 321 strips, sheets, plates, round and square bars, seamless and welded pipes & tubes, Forged & buttweld Fittings, flanges, fastener, flat rolled bars, Wire & valves in Agartala ,Agra, Agra Rampur, Ahmedabad, Aizawl, Ajmer, Aligarh, Allahabad, Alwar, Amaravati, Ambala, Ambattur, Ambernath, Amravati, Amritsar, Aurangabad, Bangalore, Bareilly, Belgaum, Bhagalpur, Bhavnagar, Bhilai, Bhiwandi, Bhopal, Bhubaneswar, Bidhannagar, Biharsharif,Bikaner, Bilaspur, Bokaro, Chandigarh, Chennai, Chittoor, Coimbatore, Cuttack, Dahod, Davanegere, Dehradun, Delhi, Dhanbad, Dharamsala, Dindigul, Diu, Durgapur, Erode, Faridabad, Fatehpur, Gandhidham, Gandhinagar, Ghaziabad, Greater Hyderabad, Greater Mumbai, Greater Warangal, Gurgaon, Guwahati, Gwalior, Haldia, Howrah , Hubballi-Dharwad, Hyderabad, Imphal, Indore, Jabalpur, Jaipur, Jalandhar, Jammu, Jamnagar, Jamshedpur, Jhansi, Jodhpur, Junagadh, Kakinada, Kalyan-Dombivali,Kanpur, Karnal , Kavaratti, Kochi, Kohima, Kolhapur, Kolkata, Kota, Lucknow, Ludhiana, Madurai, Mehsana, Mangalore, Mangaluru, Mira-Bhayandar , Moradabad, Morbi, Mumbai, Muzaffarpur, Mysore, Nagpur, Namchi, Nasik, Navi Mumbai, NDMC, Nellore,New Delhi, New Town Kolkata, Noida, Oulgaret, Pali, Panaji, Panipat, Panvel, Pasighat, Patiala, Patna, Pimpri-Chinchwad, Port Blair, Puducherry, Pune, Raipur, Rajkot, Ranchi, Raurkela Industrial Township, Rourkela, Sagar, Salem, Satna, Secunderabad, Shaharanpur, Shillong, Siliguri, Silvassa, Solapur, Srinagar, Surat, Thane, Thanjavur, Thiruvananthapuram, Thoothukudi, Thrissur, Tiruchirapalli, Tirunelveli, Tirupur, Tumkur, Udaipur, Ujjain, Ulhasnagar, Vadodara, Vapi, Varanasi, Vasai-Virar, Vellore , Vishakhapatnam.
METALMINISTRY INC. Exports Stainless Steel 321 Strips & Coils to United States of America, Russia, United Kingdom, Kuwait, Qatar, Oman, UAE, Nigeria, Ethiosia, Egypt, Tanzania, Uganda, Algeria, Sudan, Morocco, Angola, Mozambique, Ghana, Cameroon, Cote D`lvoire, Niger, Burkina Faso, Mali, Malawi, Zambia, Senegal, Chad, Somalia, Zimbabwe, Guinea, Rwanda, Benin, Brundi, Tunisia, South Sudan, Togo, Sierra Leone, Libya, Congo, Liberia, Central African Republic, Mauritania, Eritrea, Namibia, Gambia, Botswana, Gabon, Lesotho, Guinea-Bissau, Mauritius, Eswatini, Djibouti, Comoros, Cabo Verde, Seychelles, Reunion, Western Sahara, Mayotte, Saint Helena, Afghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, Brunei, Cambodia, Cyprus, East Timor, Cyprus, Georgia, Indonesia, Iran, Iraq, Israel, Japan, Kazakhstan, Jordan, Kyrgyzstan, Lebanon, Malaysia, Maldives, Mongolia, Myanmar, Nepal, North Korea, Palestine, Philippines, Saudi Arabia, Singapore, South Korea, Sri Lanka, Syria, Tajikistan, Thailand, Turkey, Taiwan, Uzbekistan, Vietnam, Yemen, Albania, Andorra, Austria, Belarus, Belgium, Bosnia & Herzegovina, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Montenegro, Norway, Netherlands, Poland, Portugal, Romania, Russia, San Marino, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, Vatican City, Antigua & Barbuda, Anguilla, The Bahamas, Barbados, British Virgin Island, Canada, Cayman Island, Costa Rica, Cuba, Dominica, Greenland, Haiti, Jamaica, Martinique, Mexico, Navassa Island, Panama, Puerto Rico, Saint Lucia, Trinidad & Tobago, Argentina, Brazil, Bolivia, Chile, Ecuador, Colombia, Guyana, Paraguay, Peru, Uruguay, Venezuela, Australia, Fiji, Marshall Island, New Zealand, Papua New Guinea, Samoa, Solomon Islands & Tuvalu. .