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ASTM A182 F51 fasteners

ASTM A182 F51 fasteners specifications

ASTM A182 F51 fasteners specification


A276 UNS S31803 hex bolt size F51 Duplex washer size UNS S31803 F51 nut temperature range
  • Imperial: 3/6″ to 2″
  • Metric: M3 to M56
  • Length: M02 – M30
  • 3/6" to 2"
  • M3 to M56
  • -45 to 316 °C
ASTM A182 grade F51 hex bolt head types A182 gr F51 U bolts manufacturing method ASTM A182 F51 fasteners required testing & certificates
  • Frearson Drive
  • Hex head
  • Slotted hex washer
  • Combination Drive
  • Pan
  • Slotted Drive
  • Socket cap head
  • Button head
  • Flat
  • Truss
  • Hex washer head
  • Oval
  • Hex / Socket / Allen Drive
  • Phillips Drive
  • Cold Forged
  • Hot Forged
  • CNC machined
  • Charpy V-notch test
  • Tensile test
  • EN 10204 / 3.1
  • Microstructure Analysis
  • Rockwell / Brinell Hardness test
  • Impact testing
Standards of F51 duplex stainless steel stud bolt SA182 F51 machine bolts end F51 carriage bolts thread types
  • ANSI B 28.2.4 1M
  • ASTM A722
  • ASME B1.1
  • ASTM A1082
  • ISO 4017
  • ANSI B 18.2.4 2M
  • ASME B16.5
  • DIN 933
  • GB T5783 /T5782 / 5783
  • DIN 931
  • ISO 4014
  • ASME B1.5
  • Milled end
  • Half point
  • Cone point
  • Semi-cone point
  • Gimlet point
  • 45 degree angle cut
  • Chamfer end
  • Chisel point
  • Sheared end
  • ACME
  • BSF
  • Metric coarse
  • Fine Thread (UNF)
  • Metric fine
  • UNJ
  • 12-UN
  • UNEF
  • 8UN
  • Coarse thread (UNC)

SA182 F51 bolt manufacturer in India, check standard and surface treatment of F51 washer

F51 washer surface treatment


  • Cadmium
  • Plain
  • Green Finish
  • Mechanical
  • Nickel Plated
  • Zinc Nickel
  • Hot Dip Galvanized
  • Black Finish
  • Black Oxide
  • Yellow Zinc Plated
  • PTFE / Teflon
  • Clear Zinc Plated
  • Oil

We are top ASTM A276 UNS S31803 hex bolts stockists, buy F51 duplex Steel stud bolts online and save cost

ASTM A182 F51 bolts torque


Nominchal Diameter (") Threads (") Torque ft-lb (Dry) Torque ft-lb (Lubricated)
5/8″ 11 114.2 85.7
18 129.3 97
1-1/2″ 6 1484 639
12 1669 1252
5/16″ 18 13.2 10
24 14.7 11
7/8″ 9 326 245
14 361 270
3/8″ 16 23.5 17.7
24 26.6 19.9
1/2″ 13 57.4 43.0
20 64.7 48.5
9/16″ 12 82.7 62.1
18 92.3 69.2
3/4″ 10 203 152
16 226 170
7/16″ 16 37.6 28.2
24 42 31.5
1″ 8 490 368
14 549 412
1/4″ 20 6.5 4.8
28 7.4 5.5
1-1/4″ 7 853 639
12 944 708

F51 Duplex Steel fasteners types


A182 F51 bolts

A182 F51 bolts

UNS S31803 F51 hex boltss

UNS S31803 F51 hex bolts

SA182 F51 hex nuts

SA182 F51 hex nuts

ASTM A182 Grade F51  screws

ASTM A182 Grade F51 screws

F51 duplex threaded rod

F51 duplex threaded rod

ASTM A182 F51 stud boltss

ASTM A182 F51 stud bolts

A182 gr F51 washer

A182 gr F51 washer

We are specialized UNS S31803 F51 hex nut supplier in Mumbai, view their properties and sizes on our website

A479 UNS S31803 F51 stud bolt size chart


Stud bolt sizes Studs length
Nominal pipe size Bolts dia. No. of Bolts OD of Flange Bolt Circle dia. Bolt Holes dia. 0.06 in Raised Face Ring Joint
1/2 1/2 4 3 1/2 2 3/8 5/8 2 1/4
2 5/8 4 6 4 3/4 3/4 3 1/4 3 3/4
1 1/2 1/2 4 5 3 7/8 5/8 2 3/4 3 1/4
1 1/2 4 4 1/4 3 1/8 5/8 2 1/2 3
3 1/2 5/8 8 8 1/2 7 3/4 3 1/2 4
2 1/2 5/8 4 7 5 1/2 3/4 3 1/2 4
4 5/8 8 9 7 1/2 3/4 3 1/2 4
5 3/4 8 10 8 1/2 7/8 3 3/4 4 1/4
3 5/8 4 7 1/2 6 3/4 3 1/2 4
8 3/4 8 13 1/2 11 3/4 7/8 4 1/4 4 3/4
10 7/8 12 16 14 3/4 1 4 1/2 5
6 3/4 8 11 9 1/2 7/8 4 4 1/2
14 1 12 21 18 3/4 1 1/8 5 1/4 5 3/4
16 1 16 23 1/2 21 1/4 1 1/8 5 1/4 5 3/4
3/4 1/2 4 3 7/8 2 3/4 5/8 2 1/2
12 7/8 12 19 17 1 4 3/4 5 1/4
20 1 1/8 20 27 1/2 25 1 1/4 6 1/4 6 3/4
1 1/4 1/2 4 4 5/8 3 1/2 5/8 2 3/4 3 1/4
24 1 1/4 20 32 29 1/2 1 1/4 6 3/4 7 1/4
18 1 1/8 16 25 22 3/4 1 1/4 5 3/4 6 1/4

SA182 F51 nut size chart


Nut Size (mm) Dia* (mm) Height (mm)
Nylock Nut Jam Nut Hex Nut
2.5 5 - 1.6 2
5 8 5 2.7 4
3 5.5 4 1.8 2.4
2 4 - 1.2 1.6
20 30 20 10 16
4 7 5 2.2 3.2
7 11 - 3.5 5.5
12 19 12 6 10
14 22 14 7 11
16 24 16 8 13
8 13 8 4 6.5
6 10 6 3.2 5
18 27 18.5 9 15
10 17 10 5 8
A276 UNS S31803 heavy hex bolts are commonly used in high pressure applications, similarly check their dimendion

A182 gr F51 hex bolt dimension


Nominal size Flats Head thick Body dia. ACRO ASTM A479 CORNERS
F (MIN) F (MAX) H (MIN) H (MAX) D (MIN) D (MAX) C (MIN) C (MAX)
m12 17.73 19.00 4.24 7.76 11.73 12.00 20.03 20.78
m10 15.73 17.00 6.17 6.63 9.78 10.00 17.77 18.48
m14 20.67 22.00 8.51 9.09 13.73 14.00 23.35 24.25
m16 23.67 24.00 9.68 10.32 15.73 16.00 26.75 27.71
m24 35.00 36.00 14.56 15.44 23.67 24.00 39.55 41.57
m30 45.00 46.00 17.92 19.48 29.67 30.00 50.85 53.12
m100 140.00 145.00 60.10 63.9 99.13 90.00 159.60 167.43
m48 72.60 75.00 28.93 31.07 47.38 48.00 82.76 86.60
m36 53.80 55.00 21.63 23.38 35.61 36.00 60.79 63.51
m56 82.20 85.00 33.80 36.2 55.26 56.00 93.71 98.15
m64 91.80 95.00 38.68 41.32 63.26 64.00 104.65 109.70
m42 62.90 65.00 25.03 26.97 41.38 42.00 71.71 75.06
m80 111.00 115.00 48.42 51.58 79.26 80.00 126.54 132.72
m90 125.50 130.00 54.26 57.74 89.13 90.00 143.07 150.11
m20 29.16 30.00 12.12 12.88 19.67 20.00 32.95 34.64
m72 101.40 105.00 43.55 46.45 71.26 72.00 115.60 121.24
Before you order check our A479 UNS S31803 screws chemical composition and mechanical properties

Chemical compositions of F51 duplex steel flange bolts


Grade Cr Mo Ni C Si P S Other Mn
ASTM A182 gr F51 21.0-23.0 2.5-3.5 4.5-6.5 0.030 1.00 0.030 0.020 N 0.08-0.20 2.00

ASTM A182 F51 screws mechanical properties


Grade Yield Strength, min, ksi [MPa] Tensile Strength, min, ksi [MPa] Reduction of Area, min, % Elongation in 2 in. [50 mm]
ASTM A182 Grade F51 65 [450] 90 [620] 45 25

Equivalent properties of ASTM A182 Grade F51 nut bolts


Standard UNS WNR.
A182 F51 bolts S31803 1.4462

A276 UNS S31803 heavy hex bolts heat treatment


Grade Heat Treat Type Solutioning Temperature Cooling Media Quenching Cool Below
ASTM A182 Grade F51 solution treat and quench 1020 °C liquid 260 °C