ASTM A194 Grade 8 Nuts

Reliable stockist of ASME SA194 Grade 8 Hex Nuts in wide range of sizes

ASTM A194 Grade 8 Nuts Specification


Raw material of SA194 Gr 8 Heavy Hex Nuts


Raw material AISI 304 Stainless Steel

ASME SA194 Grade 8 Hex Nuts Price list


Product Price in USD
(Pcs)
Price in Dirham
(Pcs)
Price in Euro
(Pcs)
5/8" UNC, Hex Nut, A194 gr 8, ANSI B18.2.2 US $1.34 4.92 AED € 1.14
Heavy hex nuts, M24, SA 194 gr 8, UNF US $1.24 4.56 AED € 1.06

ASTM A194 grade 8 vs 8m


Property ASTM A194 Grade 8 ASTM A194 Grade 8M
Material Type 304 Type 316
Corrosion Resistance Good Better
Crevice Resistance Moderate Superior
Marking “8” “8M”
Chromium 18% 16–18%

SA 194 gr 8 chemical composition


Carbon

0.08 (Max.)

Silicon

1.0 (Max.)

Manganese

2.0 (Max)

Phosphorus

0.045

Chromium

18.0 To 20.0

Sulfur

0.03 (Max.)

Nickel

8.0-11.0

Hardness of A194 gr 8 material


Hardness 223 HBW

ASTM A194 Grade 8 mechanical properties


Proof Load

517 MPa

Elongation

≥ 30%

Temperature Range

1500°F

Proof load of A194 grade 8 Hex Nuts


Nominal Size, inch Stress Area inch Threads per inch Proof Load, lbf
Hex Heavy Hex
1/4" 0.0316 20 4770 5570
5/16" 0.0524 18 7860 9170
3/8" 0.0774 16 11620 13560
7/16" 0.1063 14 15940 18600
1/2" 0.1419 13 21280 24830
9/16" 0.182 12 27300 31850
5/8" 0.226 11 33900 39550
3/4" 0.334 10 50100 58450
7/8" 0.462 9 69300 80850
1" 0.606 8 90900 106000
1 1/8" 0.79 8 118500 138200
1 1/4" 1 8 150000 175000
1 3/8" 1.233 8 185000 215800
1 1/2" 1.492 8 223800 261100

Types of ASTM A194 Grade 8 Nuts


ASTM A194 gr 8 Square nut

ASTM A194 gr 8 Square nut

ASTM A194 grade 8 Heavy Hex Nut

ASTM A194 grade 8 Heavy Hex Nut

SA194 gr 8 Lock nut

SA194 gr 8 Lock nut

A194 gr 8 Nylon lock nuts

A194 gr 8 Nylon lock nuts

ASTM A194 gr b8 Hex Nut

ASTM A194 gr b8 Hex Nut

SA 194 gr 8 Flange lock nut

SA 194 gr 8 Flange lock nut

SA 194 gr 8 material Inspection and Testing


SA 194 gr 8 material Inspection and Testing
  • Mechanical Testing
  • Hardness Test
  • Magnetic Particle Test
  • IGC Testing
  • Dye Penetrant Inspection
  • PMI Testing
  • Ultrasonic Testing
  • Charpy Impact Test

ASTM A194 grade 8 nut dimensions


ASTM A194 grade 8 nut dimensions
d h e min s Pitch
M12 10 23.91 22 1.75
M16 13 29.56 27 2
M20 16 35.03 32 2.5
M22 18 39.55 36 2.5
M24 19 45.2 41 3
M27 22 50.35 46 3
M30 24 55.37 50 3.5
M36 29 66.44 60 4

SA194 gr 8 Lock Nuts Marking


Grade Type Nuts Machined from Bar Stock Hot Forged or Cold Punched Nuts
8 8B 8

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