Size In Ready Stock
- ASTM A194 Grade 8R Nut = M6 To M50
ASTM A194 Grade 8R nuts made from UNS S20910 (also known as Nitronic 50), these ASME SA194 Gr 8RAF hex nuts provide excellent corrosion resistance for aerospace and marine applications. Buy directly from A194 Grade 8R heavy hex nuts manufacturer for lowest price.
Table of Content
Supplied in February 22, 2025

Orlen SA

Hindustan Petroleum Corp Ltd
ASTM A194 Grade 8R Specification
Size In Ready Stock
ASTM A194 Grade 8R Nut Threads
Manufacturing Types
Characteristics
Common Testing
Installations
Packaging Method
Origin of Raw Material
ASTM A194 Grade 8R Nuts Raw Material
Raw material of ASTM A194 Grade 8R nuts is Nitronic 50 stainless steel.
Application of A194 Grade 8R Hex Nut
ASME SA194 8R Heavy Hex Nuts Heat Treatment
ASTM A194 Grade 8R nuts heating to 1950°F (1065°C) and cooling rapidly by quenching in water.
Hardness for ASTM A194 Grade 8R Nuts
| Grade | Brinell Hardness | Rockwell Hardness |
|---|---|---|
| ASTM A194 Grade 8R | 183-271 | 25 max (C Scale) & 88 min (B Scale) |
Grade 8R Nuts Temperature Range
Temperature range of ASTM A194 Gr 8R material is 1950-2050°F (1066-1121°C)
ASTM A194 Grade 8R Nuts Chemical Composition
ASTM A194 Grade 8R Equivalent Material
Common Name
American (UNS)
USA (Werkstoff No)
SA 194 Grade 8R Square Nut Mechanical Properties
| Properties | ASTM A194 Grade 8R |
|---|---|
| Tensile Strength | 100 ksi |
| Yield Strength | 55 ksi |
| Elongation | 35% |
Types Of ASTM A194 8R Nuts
ASTM A194 Grade 8R Hex Nut
A194 Grade 8R Heavy Hex Nuts
SA 194 Grade 8R T Nut
ASME SA194 Grade 8R Eye Nut
SA194 Grade 8R Square Nut
ASTM A194 Gr 8R Acorn Nut
Grade 8R Jam Nuts
ASTM A194 Grade 8R Wing Nuts
A194 Grade 8R Nylock Nuts
SA 194 Grade 8R Castle Nuts
ASME SA194 Grade 8R Coupling Nuts
SA194 Grade 8R Anti Theft Nut