Duplex Steel Fasteners a.k.a Duplex Stainless Steel Fasteners are main product line for Resitant Metal Alloys Fasteners. This includes manufacturing and supply of duplex 2304 fasteners such as bolts, screws, stud bolts, threaded rods, nuts, washers, dowel pins, and other custom bolting components. We offer both metric and imperial sized fasteners in duplex alloy 2304. Duplex stainless steel 2304 fasteners are produced from premium quality rolled bar stock or forged bars with latest material specifications. Resitant Metal Alloys can manufacture alloy 2304 fasteners in ASME, DIN, ISO & other international dimension standards. These duplex fasteners are also available in equivalent grades F68, UNS S32304, DIN EN Werkstoff 1.4362.
Duplex 2304 Chemical Composition |
Carbon |
Chromium |
Manganese |
Molybdenum |
Nickel |
Phosphorus |
Sulphur |
Silicon |
Nitrogen |
Copper |
Iron |
0.03 % Max |
21.5 - 24.5 % |
2.50 % max |
0.05 - 0.06 % |
3.00 - 5.50 % |
0.04 % max |
0.03 % max |
1.00 % max |
0.05 - 0.20 % |
0.05 - 0.20 % |
Balance |
Duplex 2304 Mechanical Properties |
Tensile Strength |
Yield Strength |
Elongation at break |
Hardness, Brinell |
600 MPa |
400 MPa |
25% min |
290 max |