Alloy Steel D6-AC, UNS K24728, AMS 6431, AMS 6438, AMS 6432, AMS 6439, AMS-S-8949, ASTM A579, MIL-S-8949, FMS-1011, GM-1013, TL-428, LCM 05-2190, STM 05-500
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Alloy steel D6-AC 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.
Alloy Steel D6AC may be welded by TIG method for thin sections or by Gas Metal Arc Welding (GMAW) for heavy sections using a filler rod of the same alloy. Care should be used to maintain preheat and interpass weld temperature at 450 to 550 F. Restrained weldments should subsequently be post-heated at 600 F, air cooled to 300 F and then, at once, be stress relieved in a furnace at 1000 F followed by re-normalizing and re-tempering.
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Alloy Steel D6AC Chemical Data
Carbon 0.38 - 0.46 Chromium 0.7 - 0.95 Iron Balance Manganese 0.6 - 0.9 Molybdenum 0.3 - 0.65 Nickel 1.65 - 2 Phosphorus 0.01 max Silicon 1.45 - 1.8 Sulphur 0.01 max Vanadium 0.05 min
Principal Design Features D6AC is a low alloy vacuum melted steel containing several other elements and with a carbon content of 0.42 to 0.48%. The hardenability of this alloy is better than that of AISI 4340 and D6AC can be heat treated to strengths ranging from 180 to 260 ksi. Alloy Steel D6AC Applications Typical applications are for aircraft landing gear, axles or shafts and similar uses that require very good combination of fatigue strength and toughness. Alloy Steel D6AC Machinability D6AC machines like any of the other low alloy steels. Machining is best done with the alloy in the normalized and tempered condition. Machining, or grinding, of parts that have been heat treated to 200 ksi, or greater, require a 3 hour stress relief anneal after such machining. Alloy Steel D6AC Forming Formability in the annealed condition is good. Alloy Steel D6AC Welding D6AC may be welded by TIG method for thin sections or by Gas Metal Arc Welding (GMAW) for heavy sections using a filler rod of the same alloy. Care should be used to maintain preheat and interpass weld temperature at 450 to 550 F. Restrained weldments should subsequently be post-heated at 600 F, air cooled to 300 F and then, at once, be stress relieved in a furnace at 1000 F followed by re-normalizing and re-tempering. Alloy Steel D6AC Heat Treatment Heat treat for hardening of this alloy must be preceded by a normalizing treatment at 1700 F followed by air cooling. The alloy can then be hardened by reheating to 1700 F followed by an oil quench in oil that is at 150 to 250 F. It is important to temper normalized or heat treated parts immediately so as to avoid cracking - see "Tempering". Alloy Steel D6AC Forging The alloy is forgeable but no details are available - consult the alloy supplier. Alloy Steel D6AC Hot Working Hot working may be done - consult the alloy supplier for details. Alloy Steel D6AC Cold Working This alloy cold works readily in the annealed condition. Alloy Steel D6AC Annealing Anneal at 1500 F followed by air cooling. Alloy Steel D6AC Aging Not applicable to this alloy. Alloy Steel D6AC Tempering Temper immediately after hardening by heating at a temperature that will give the desired strength level as follows: For 260 ksi temper at 575 F, for 200 ksi temper at 1100 F and for 180 ksi temper at 1150 F all for a minimum of 2 hours and all followed by air cooling. A repeat, or second, temper as per above is also required. Alloy Steel D6AC Hardening See "Heat Treatment" and "Tempering". -
Alloy Steel D6AC Physical Data
Density (lb / cu. in.) 0.284 Specific Gravity 7.8 Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) 0.116 Melting Point (Deg F) 2600 Thermal Conductivity 30 Mean Coeff Thermal Expansion 7 Modulus of Elasticity Tension 32 -
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METALMINISTRY INC. supply Alloy Steel D6AC 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 Alloy Steel D6AC 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. .
To buy online, Or get price of Alloy Steel D6AC Strips & Coils send us an email on enquiry@metalministry.in or Call/WhatsApp on +91-9892171042 for quick quote & response. And Strips & Coils are supplied in Relevant standards as per customer requirements & Mill TC from Indian, USA, South African, Russian, German & European Mills only.
