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Nickel - Alloy 600 Bar

Spec: AMS 5665

Alloy 600 Bar AMS 5665
UNS N0660
PDF: Alloy 600 Bar Spec PDF

Nominal Composition

Description

Alloy 600 is a nickel-chromium alloy designed for use at cryogenic temperatures and up to 2000°F (1093°C). The high nickel content of the alloy provides good resistance to reducing environments, while the chromium content provides resistance to weaker oxidizing conditions. The high nickel content of the alloy provides exceptional resistance to chloride stress corrosion cracking.

Properties

Alloy 600 is a non-magnetic, austenitic alloy with a high nickel content. Alloy 600 can be used in solutions of magnesium chloride because of its exceptional resistance to chloride stress corrosion cracking. Alloy 600 has exceptional strength at working temperatures up to 2000ºF (1093°C). AMS 5665 requires a minimum yield strength of 35,000 psi, and a minimum tensile strength of 85,000 psi at room temperature in bars over 2.5 inch in diameter. Yield and tensile properties for bars 2.5 inch in diameter and under are not specified and are to be agreed upon by purchaser and vendor. Aerodyne stock is typically in the 90,000-100,000 psi tensile strength range. This material is resistant to oxidation at working temperatures up to 2100ºF (1149°C), and has excellent mechanical properties at both elevated and cryogenic temperatures. Alloy 600 performs extremely well under both oxidizing and reducing conditions. This alloy has good resistance to carburizing and nitriding conditions at high temperatures, but the high nickel content of the alloy renders it to attack at elevated temperatures in sulfur bearing atmospheres

Hardness

Hardness of Aerodyne stock is typically 150 BHN. Alloy 600 is not hardenable by heat treatment but it can be further strengthened by cold working.

Machinability

Rating:
22% of B-1112

Typical Stock Removal Rate:
50 surface feet/minute with high speed tools. 125 surface feet/minute with carbide tools. Sulfur-base oil should be used as a lubricant, but it should be completely removed before the part is exposed to high temperatures, as in welding or heat treatment.

Density:
0.304 lbs/in3, 8.42 g/cm3

Standard Inventory Specifications

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