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Duplex Screws

Duplex Screws

350.00

Duplex Screws Manufacturers, Suppliers, Exporters – Duplex 2205 Screws, UNS S31803, UNS S32205 Screws, A182 F51, A182 F60 – We Sell Duplex Screws at Best Prices!

  • Duplex Set Screws, Duplex Hexagon Head Cap Screws, Duplex Socket Screws & Socket Cap Screws, Duplex Socket Countersunk Screws, Duplex Wing Screw, Square Head Set Screw

Metline is a reputed manufacturer and supplier of Duplex screws in size range of M6 to M48. We can supply metric and imperial sized Duplex screws. We sell Duplex stainless steel screws in a wide range of sizes and head styles. In addition, we can also produce screws in other materials and as per special drawings.

  • Sizes: M4 to M48 x Custom Length

Metline Industries is India’s one of the most trusted supplier of various grades of duplex stainless steels fasteners including UNS 31803 (F51) and UNS 32205 (F60) Alloy 2205. The ratio of ferrite to austenite in Duplex stainless steel is approximately 50:50.

When compared to 2205 grade duplex stainless steel, 904L has similar corrosion resistant properties but lower mechanical strength. 2205 is also a lower cost option compared to 904L, but is not suitable for temperatures above 300°C.  Grade 2205 is not generally suitable for use at temperatures above 300°C as it suffers from precipitation of brittle micro-constituents, nor below -50°C because of its ductile-to-brittle-transition.

SKU: MET6028 Categories: ,

Description

AlloyCommon NameEuropeanUNSASTM / ASME
Alloy 2205SAF 2205 ®1.4462S32205F60
31803318031.4462S31803F51

Designated as UNS S32205 or DIN W.Nr. 1.4462, duplex 2205 is an austenitic & ferritic dual phase Cr-Mo-Ni alloyed stainless steel which has a roughly mixed 1:1 ferrite and austenite structure. It is the most widely used duplex stainless steel grade and is characterized by high-yield strength, double that of standard austenitic stainless steel grades. UNS S31803 is a typical duplex stainless steel very similar to UNS S32205 except that it may have a bit lower content requirement of chromium, molybdenum and nitrogen. Generally, both UNS 31803 and S32205 can be called as “Duplex 2205” in practice.

Stainless Steel Duplex 2205, UNS S31803, UNS S32205, WNR 1.4462 Chemical Composition

Chemical Composition %

CrNiMoCN
22.0-23.04.50-6.503.00-3.50.030 Max0.14-0.20
MnSiPSFe
2.00 Max1.00 Max.030 Max.020 MaxBalance

Stainless Steel Duplex 2205, UNS S31803, UNS S32205, WNR 1.4462 Mechanical Properties

Duplex Stainless Steel
Density7.805
Melting Range,℃1450 ℃
Elongation %25 min.
Tensile Strength (Mpa)655
Yield Strngth (Mpa)450

Hardness (Brinell)

293 max

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