Duplex 2205 is a two-phase, ferritic, austenitic 22% chromium, 3% molybdenum, 5 to 6% nickel alloyed stainless steel. It is the most widely used duplex stainless steel grade and is characterized by high yield strength, double that of the standard austenitic stainless steel grades. It also demonstrates good fatigue strength, as well as outstanding resistance to stress corrosion cracking, crevice, pitting, erosion, and general corrosion in severe environments.
Due to the assistance of our hard working team of professionals, we are able to provide a highest quality of Tungsten Carbide Strips. The offered products are appreciated and acclaimed in the market due to their finest quality and enhanced durability. Before the delivery of these products at customers premises, our quality experts stringently examined these products on varied parameter of quality.
|Mo||15 - 17 %|
|Cr||14.5 - 16.5 %|
|Fe||4 - 7 %|
|W||3 - 4.5 %|
|Density||8.89 g/cm3||0.321 lb/in3|
|Melting Point||1370 °C||2500 °F|
|Co-Efficient of Expansion||11.2 μm/m.°C|
|Modulus of Rigidity||78.6 kN/mm2||11400 ksi|
|Modulus of Elasticity||205.5 kN/mm2||29806 ksi|
|Condition of Supply||Heat Treatment (After Forming)|
|Annealed/Spring Temper||Stress relieve at 400 - 450°C (750 - 840°F) for 2 hours and air cool.|
|Condition||Approx Tensile Strength||Approx Service Temp.|
|Annealed||850 - 1050 N/mm2||123 - 152 ksi||-200 to 400°C||-330 to 750°F|
|Spring Temper||1300 - 1600 N/mm2||189 - 232 ksi||-200 to 400°C||-330 to 750°F|
Tungsten Carbide is often referred to as a Hard Metal due to it’s very high hardness in relation to other metals.
Typically a Tungsten Carbide Hard Metal can have a hardness value of 1600 HV, whereas mild steel would be in the region of 160 HV a factor of 10 lower.
Although called a hard metal, Tungsten Carbide is actually a composite material with hard particles of Tungsten Carbide embedded in a softer matrix of metallic Cobalt .
|Trade Name||UNS||Super Duplex Industry Specifications||Chemical Composition||Min.Tensile|
|SAF 2507®||UNS S32750||ASTM A182 F53, A240, A276, A479, A789, A790, A815, A928, A988|
|C 0.030 max |
Cu 0.5 max
Mn 1.20 max
P 0.035 max
S 0.020 max
Si 0.8 max
|UNS S32760||ASTM A182 F55, A240, A276, A314, A473, A479, A789, A790, A815, A928, A988|
|C 0.03 max |
Mn 1.0 max
P 0.03 max
S 0.01 max
Si 1.0 max