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1.4501 equal material: NAS 75N, S32760, X2CrNiMoWN25-7-4 , SUS329J2L F55
1.4501 is a kind of high alloying super duplex stainless steel, mainly used in all kinds of strong corrosive environment. Its strength and corrosion resistance is stronger, is mainly used in chemical processing, petrochemical and underwater equipment. It has strong ability to resist chloride compound corrosion, high thermal conductivity and low thermal expansion coefficient.High chromium, molybdenum and nitrogen content in it has the very high corrosion resistance to pitting corrosion, crevice corrosion and general ability.
1.4501 Chemical composition
C | Si | Mn | P | S | Ni | Cr | Mo | N | Cu | W | PRE* | |
Min | ― | ― | ― | ― | ― | 6.0 | 24.0 | 3.0 | 0.20 | 0.50 | 0.50 | 40 |
Max | 0.030 | 1.00 | 1.00 | 0.030 | 0.010 | 8.0 | 26.0 | 4.0 | 0.30 | 1.00 | 1.00 | ― |
1.4501 stainless steel physical properties
Specific heat (J/kg･K) | 460 | |
resistivity (μΩ･cm) | 90.0 | |
Thermal conductivity (W/m･K) | 12.8 | |
The average thermal expansion coefficient (10-6/ degree ) | 20–100 degree | 13.5 |
20–200 degree | 13.8 | |
20–300 degree | 13.8 | |
20–400 degree | 14.0 | |
The longitudinal elastic modulus (Map) | 19.0 x 104 | |
Strong magnetic | Yes | |
Melting point ( degree ) | 1400-1450 | |
1.4501 stainless steel Mechanical properties
0.2% yield strength (N/mm2) | Tensile strength (N/mm2) | Elongation (%) | hardness (HB) |
550 MPa | 750 MPa | 25 | 270 |
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