318S13, BS2377, 1.4470, S31803
1.4470 Fasteners like Bolts are classified under Duplex Stainless Steel. Werkstoff 1.4470 Fasteners are internationally known as fasteners manufactured from 31803 Duplex Stainless Steel.
31803 Duplex Stainless Steel Bolts Alloy S31803 Fasteners S31803 Stainless Steel Rings Duplex S31803 Nuts Duplex S31803 Screws Alloy S31803 Threaded Rod Astm A479 Type 31803 Washers 1.4470 Washers
Grades | UNS DesignationB | TypeB | C | Mn | P | S | Si | Cr | Ni | Mo | N | Other Elements |
---|---|---|---|---|---|---|---|---|---|---|---|---|
S31803 | . . . | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 | . . . |
UNS Designation | Solution Temperature, °F [°C]B,C | Size Range | Mechanical Properties | ||||
---|---|---|---|---|---|---|---|
Tensile Strength,ksi [MPA] | Yield Strength,ksi [MPA] | Elongation in 2"[50 mm] or 4D % | HardnessD | ||||
Rockwell, HRC maximum | Brinell, maximum | ||||||
S31803 | 1900 [1040] | . . . | 90 [620] | 65 [450] | 25 | 30 | 290 |