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Density: 7.93 g/cm³
Equivalent designations:
Incoloy A286, A-286, AISI/ASTM 660, DIN W.NR 1.4943
Available products:
pipe,tube,bar,rod,wire,sheet,strip,fastener,bolt and nut,pipe fittings

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Product introduction
Alloy 660 is a precipitation hardening austenitic stainless steel known for its impressive strength at high temperatures up to 700°C. Also called the names as UNS S66286, and A-286 alloy. Alloy 660 gains its strength from a high degree of uniformity. It has an impressive yield strength minimum of 105,000 psi and is commonly used in high temperature fastening and bolting materials.

Applications:
1. High temperature fastening and bolting materials
2. Jet engines
3. Gas turbines
4. Turbo charger components

Chemical composition:
Grade Chemical Component %
Ni Cr Ti Mn Mo Si V Al C P S B
660 24.0-27.0 13.5-16.0 1.9-2.35 Max 2.0 1.0-1.5 Max 1.0 0.1-0.5 Max 0.35 Max 0.0.8 Max 0.04 Max 0.03 Max 0.01
Different between 660A, 660B, 660C, 660D:
Grade Class Solutiona Treatment Hardening Treatment
660 A 1650 +/- 25 °F [900 +/-14 °C], hold 2 h, min and liquid quench 1325 +/- 25 °F [720 +/- 14 °C] 16h, air cool
B 1800 +/- 25 °F [980 +/-14 °C], hold 1 h, min and liquid quench 1325 +/- 25 °F [720 +/- 14 °C] 16h, air cool
C 1800 +/- 25 °F [980 +/-14 °C], hold 1 h, min and oil quench 1425 +/- 25 °F [775 +/- 14 °C] hold 16h, air cool followed by 1200 +/- 25 °F [650 +/- 14 °C], hold 16h, air cool
D 1650 +/- 25 °F [900 +/-14 °C], hold 2 h, min and liquid quench 1325 +/- 25 °F [720 +/- 14 °C] hold 16h, air cool followed by 1200 +/- 25 °F [650 +/- 14 °C], hold 16h, air cool
Grade Class Tensile Strength, Mpa Yield Strength (0.2%), Mpa Elongation %, min RA %, min
Gr 660 A, B , & C 895 min 585 min 15 18
Gr 660 D 895 min 725 min 15 18
Available products fo 660:
Welded pipe/tube
Seamless pipe/tube
Pipe fittings
Flanges
Bar/Profiles
Sheet/ Plate/Coil/Strip
Wire/Wire rope
Forgings
Welding Rod
Bolt and Nut

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Packing: Anti-wet bag,wooden box,wooden pallet or as required.

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