Columbium - Hafnium
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Columbium - Hafnium is available in strips, sheets, plates, round and square bars, seamless and welded pipes & tubes, Forged & buttweld Fittings, flanges, fastener, flat rolled bars, Wire & valves.
Columbium - Hafnium is commercial tradename designation of C-103. It is one of the columbium base refractory alloys. Also called KBI-3.
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Principal Design Features This alloy of columbium (or niobium)m and hafnium has a commercial tradename designation of C-103. It is one of the columbium base refractory alloys. Also called KBI-3. Columbium - Hafnium Applications Used for rocket structures and heat radiation shields on aerospace and gas turbine applications for temperatures up to 2500 F. Columbium - Hafnium Machinability All of the refractory alloys are difficult to machine. Equipment must be powerful and rigid to prevent tool chatter. The columbium (niobium) alloys such as this one are more readily machined than other refractory alloys. For machining columbium alloy h Columbium - Hafnium Forming Forming may be accomplished with the alloy in the annealed condition. It can be formed by bending, punching or stamping much the same as for plain carbon steel. Columbium - Hafnium Corrosion Resistance This alloy will form a protective oxide in most acids. This oxide will protect it from corrosion. However it is attacked by hydrofluoric acid or by alkaline solutions. Columbium - Hafnium Welding This alloy can be welded by electron beam, resistance welding or gas tungsten-arc welding methods (GTAW). There is some loss of ductility in the weld. Columbium - Hafnium Heat Treatment Not heat treatable for hardness. See "Annealing". Columbium - Hafnium Forging The alloy can be forged at 2200 F down to 1700 F. Columbium - Hafnium Hot Working Hot forming, such as extrusion, may be done at 2200 to 1800 F. Hot rolling, or similar forming, may be done at 800 F. Columbium - Hafnium Cold Working The alloy has good ductility in the annealed condition and may be cold formed by conventional means. Columbium - Hafnium Annealing Anneal at 2000 to 2400 F. A stress relief anneal may be done at 1600 F for one hour. Columbium - Hafnium Aging Not applicable. Columbium - Hafnium Tempering Not applicable. Columbium - Hafnium Hardening Hardens by cold working. Columbium - Hafnium Other Comments For use at elevated temperatures in air a protective silicide or aluminide coating should be applied to the parts made from this alloy. -
Columbium - Hafnium Physical Data
Density (lb / cu. in.) 0.32 Specific Gravity 8.87 Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) 0.082 Melting Point (Deg F) 4260 Thermal Conductivity 24.2 Mean Coeff Thermal Expansion 4.5 Modulus of Elasticity Tension 12.6 -
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METALMINISTRY INC. supply Columbium - Hafnium 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 Columbium - Hafnium 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. .
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