Description

21Cr-6Ni-9Mn is a high manganese nitrogen strengthened, austenitic stainless steel. It combines high strength in the annealed condition, excellent resistance to oxidation at high temperatures as well as good resistance to lead oxide and a high level of corrosion resistance at ambient temperatures. The alloy can be fabricated and formed much the same as type 304 and 316, and is readily wieldable. It remains nonmagnetic after severe cold work. Available tube product forms Straight Seam welded and cold redrawn Seam welded, cold redrawn and annealed Typical Applications Aircraft hydraulic tubes Aircraft engine components Typical manufacturing specifications AMS 5561 Also individual customer specifications. Industries predominantly using this grade Aerospace

Product features

Tensile Rm 655 MPa (min)
R.p. 0.2% Yield 48 ksi (min)
R.p. 0.2% Yield 330 MPa (min)
Elongation (2" or 4D gl) 35 % (min)
Thermal Conductivity 14 W.m -1.°K-1
Thermal Expansion 16.7 mm/m/°C
Modulus Elasticity 19.6 GPa
Electrical Resistivity 73 μohm/cm
Density 7.83 g/cm3

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