Duplex Stainless Steel F61 Nut
Category: Stainless steel hexagonal nut
Product grade: Grade A
Strength grade: Grade 8
Width across flats: 8-120
Height: 5.6-60 (mm)
Thread specification: M5-M100
Similar grades
| UNS | ID | W.Nr |
| S32550 | F61 | 1.4507 |
Chemical composition of duplex stainless steel F61 nut
| Alloy | % | Ni | Cr | Mo | N | C | Mn | Si | S | P |
| F61 | Min | 4.5 | 24 | 2.9 | 0.10 | – | – | – | – | – |
| Max | 6.5 | 27 | 3.9 | 0.25 | 0.04 | 1.5 | 1.0 | 0.03 | 0.04 |
Duplex stainless steel F61 nut Minimum mechanical properties of the alloy at room temperature
| Status | tensile strength Rm N/mm2 | Yield Strength RP0.2 N/mm2 | Elongation A5% | Brinell hardness HB |
| Solution treatment | 800 | 550 | 15 | ≤310 |
Duplex stainless steel F61 nut alloy has the following properties:
F61 has strong resistance to vapor corrosion, high thermal conductivity and low thermal expansion coefficient. The higher chromium, molybdenum and ammonia content makes it highly resistant to pitting, crevice corrosion and general corrosion.
Duplex stainless steel F61 nut Application scope Application areas include:
Mainly used in chemical processing, petrochemical and subsea equipment. And it is widely used in chemical, food, pharmaceutical, papermaking, petroleum, atomic energy and other industries, as well as various parts and components of construction, kitchen utensils, tableware, vehicles, and household appliances
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