ASTM A194 Grade 4 Nuts
Table of Content
ASTM A194 Grade 4 Nuts Specification
A194 grade 4 Nuts Standard
ASME B18.2.2
SA194 Gr 4 Nuts Size
M3 – M56 | 3/6″ to 2″
ASME SA194 Gr 4 Hex Nuts Condition
Threading / Cold Drawn
ASTM A194 Gr 4 material Heat Treatment
≥ 1050 °F
A194 grade 4 Lock Nuts Proof Load
5,570 lbf
SA194 Gr 4 Heavy Hex Nuts Hardness
24–35 HRC
ASTM A194 grade 4 Square nut Standards
DIN 933, 976, 7991, 931, 934, 125 / ASME B18.2.1, B18.3
A194 grade 4 Nylon lock nuts Threads
METRIC / UNF / BSF / BSW / UNC
Custom Sizes
Reliable ASTM A194 Grade 4 Nuts Manufacturer in India in different sizes.
Origin
Indian / Russian / Korean / European
Manufacturing Technique
Hot forging / Cold forging
SA194 grade 4 nut Finish
Passivation / Phosphating / HDG
Value Added Services
- Laser Etching
- Color Coding
- Head Shank Drilling
- Head Painting
Certificate
- UT and PMI Test
- 100% Radiography Test
- Raw Materials Certificate
- EN 10204/3.1B
Packaging
- Wooden Pallet
- Carton Box
- Wooden Cases
- Blister Packs
| Property | A194 Grade 4 | A194 Grade 7 |
|---|---|---|
| Material | Medium-carbon alloy steel | Alloy steel |
| Temperature Suitability | Ambient to elevated temps | Low temperature service |
| Impact Testing | Not required | Charpy impact tested |
| Marking | 4 | 7 |
Price list of A194 Grade 4 Hex Nuts
| Product | Price in USD (Pcs) |
Price in Dirham (Pcs) |
Price in Euro (Pcs) |
|---|---|---|---|
| M3 A194 grade 4 Heavy Hex Nuts, Metric, Black Oxide | US $1.46 | 5.36 AED | € 1.25 |
| 2", Hex Nuts, SA194 Gr 4, Plain Finish | US $0.89 | 3.27 AED | € 0.76 |
ASTM A194 grade 4 material Chemical Composition
Carbon
0.40 - 0.50
Manganese
0.70 - 0.90
Phosphorus
0.035 max
Sulfur
0.040 max
Silicon
0.15 - 0.35
Molybdenum
0.20 - 0.30
Mechanical properties of SA194 Gr 4 Heavy Hex Nuts
Tensile Strength
110 ksi
Elastic Modulus
200 GPa
Electrical Resistivity
0.20 μΩ·m
Elongation
45 % Min
| Hardness | 248 - 327 BHN |
|---|
ASTM A194 grade 4 Square nut
ASME SA194 grade 4 Heavy Hex Nut
A194 Gr 4 Hex Nut
ASME SA194 Gr 4 Flange lock nut
A194 grade 4 Nylon lock nuts
SA194 grade 4 Lock nut
ASTM A194 gr 4 nuts Proof Load
| Nominal Size, Inch. | Threads Per Inch | Proof Load, lbf | |
|---|---|---|---|
| Hex | Heavy Hex | ||
| 1/4 | 20 | 4 770 | 5 570 |
| 5/16 | 18 | 7 860 | 9 170 |
| 3/8 | 16 | 11 620 | 13 560 |
| 7/16 | 14 | 15 940 | 18 600 |
| 1/2 | 13 | 21 280 | 24 830 |
| 9/16 | 12 | 27 300 | 31 850 |
| 5/8 | 11 | 33 900 | 39 550 |
| 3/4 | 10 | 50 100 | 58 450 |
| 7/8 | 9 | 69 300 | 80 850 |
| 1 | 8 | 90 900 | 106 000 |
| 1 1/8 | 8 | 118 500 | 138 200 |
| 1 1/4 | 8 | 150 000 | 175 000 |
| 1 3/8 | 8 | 185 000 | 215 800 |
| 1 1/2 | 8 | 223 800 | 261 100 |
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