ASTM A194 Grade 8m Nuts
Metric Sa 194 8m Class 2 Heavy Hex Nuts and ASTM A194 8m Square Nuts manufacturer in India

High strength UNC / Un Series ASTM A194 Grade 8m Hex Nuts at factory price ex Mumbai, check A193 B8M Class 2 material price list and dimensions
A193/ SA 193 B7 | Alloy steel, AISI 4140/4142 quenched and tempered |
---|---|
A193/ SA 193 B8 | Class 1 Stainless steel, AISI 304, carbide solution treated. |
A193/ SA 193 B8M | Class 1 Stainless steel, AISI 316, carbide solution treated. |
A193/ SA 193 B8 | Class 2 Stainless steel, AISI 304, carbide solution treated, strain hardened |
A193/ SA 193 B8M | Class 2 Stainless steel, AISI 316, carbide solution treated, strain hardened |
A193/ SA 193 B16 | A heat-treated chromium-molybdenum-vanadium steel for high-pressure, high-temperature service. |
ASTM A194 Grade 8M Nuts Chemical Composition
Element | A193 B7 (AISI 4140) | A193 B8 (AISI 304) | A193 B8M (AISI 316) | A193 B16 (AISI 4140) |
---|---|---|---|---|
Carbon | 0.37 – 0.49% | 0.08% max | 0.08% max | 0.37 – 0.49% |
Manganese | 0.65 – 1.10% | 2.00% max | 2.00% max | 0.65 – 1.10% |
Phosphorus, max | 0.035% | 0.045% | 0.045% | 0.035% |
Sulfur, max | 0.040% | 0.030% | 0.030% | 0.040% |
Silicon | 0.15 – 0.35% | 1.00% max | 1.00% max | 0.15 – 0.35% |
Chromium | 0.75 – 1.20% | 18.0 – 20.0% | 16.0 – 18.0% | 0.75 – 1.20% |
Nickel | 8.0 – 11.0% | 10.0 – 14.0% | ||
Molybdenum | 0.15 – 0.25% | 2.00 – 3.00% | 0.15 – 0.25% |
Recommended Nuts,Bolts & Washer
Bolt Grade | Nuts | Washers |
---|---|---|
A193 B7 | A194 Grade 2H | F436 |
A193 B8 Class 1 | A194 Grade 8 | SS304 |
A193 B8M Class 1 | A194 Grade 8M | SS316 |
A193 B8 Class 2 | A194 Grade 8 | SS304 |
A193 B8M Class 2 | A194 Grade 8M | SS316 |
Mechanical Properties of A194 Grade 8M Hex Nuts
Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
---|---|---|---|---|---|
A193 B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
2-5/8 – 4 | 115 | 95 | 16 | 50 | |
4-1/8 – 7 | 100 | 75 | 18 | 50 | |
A193 B8 Class 1 | All | 75 | 30 | 30 | 50 |
A193 B8M Class 1 | All | 75 | 30 | 30 | 50 |
A193 B8 Class 2 | Up to 3/4 | 125 | 100 | 12 | 35 |
7/8 – 1 | 115 | 80 | 15 | 35 | |
1-1/8 – 1-1/4 | 105 | 65 | 20 | 35 | |
1-3/8 – 1-1/2 | 100 | 50 | 28 | 45 | |
A193 B8M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 |
7/8 – 1 | 100 | 80 | 20 | 45 | |
1-1/8 – 1-1/4 | 95 | 65 | 25 | 45 | |
1-3/8 – 1-1/2 | 90 | 50 | 30 | 45 | |
A193 B16 | Up to 2-1/2 | 125 | 105 | 18 | 50 |
2-5/8 – 4 | 110 | 95 | 17 | 45 | |
4-1/8 – 7 | 100 | 85 | 16 | 45 |
ASTM A194 GR.8M Nuts live inventory
ANSI A 194 Gr. 8M Dome Nut | Stainless Steel Gr. 8M T Nuts |
A194 Grade 8M T But | ASTM A 194 Hex Nuts |
ASME A194 Locking Nuts | ANSI A 194 Gr. 8M Heavy Hex Nuts |
Stainless Steel Gr. 8M Panel Nut | SA194 Hex Jam Nuts |
ASTM A194 Grade 8M Nuts | ASME A194 Gr 8M Nylock Insert Nut |
A194 Grade 8M Hex Nut | ASTM A194 Grade 8M Flange Nuts |
ASME A194 Square Nut | ANSI A 194 Coupling Nut |
SS Gr. 8M Heavy Hex Nuts | SS Gr. 8M Lock Nut |
ASME A 194 Gr. 8M Nuts | ISO Approved ASTM A194 Eye Nut |
Gr. 8M Panel Nuts | ANSI A 194 Gr. 8M Lock Nuts |
ASME A194 Grade 8M Panel Nut | Stainless Steel Gr. 8M Wing Nuts |
Gr. 8M Acorn Nut | Gr. 8M Stainless Steel Nut and Washer |