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Stainless Steel 904l Fasteners

Stainless steel 904l fasteners

Check AISI 904L Bolt Properties, Specification and Chemical Composition

Specification of stainless steel 904l fasteners


Stainless steel 904l fasteners specifications  

Chemical composition of stainless steel 904l hex bolt


C Si Mn S P Ni Cr
0.08 max
0.75 Max
2 max
0.030 max
0.045 max
8 - 11
18 - 20

Manufacturer of SS 904L Hex Nut Bolt in M3 - M56 , 3/6" - 2" Size Range, Check Sizes

AISI 904l fastener Sizes


Nut Size(mm)   2 2.5 3 4 5 6 7 8 10 12 14 16 18 20
Height(mm) Hex Nut 1.6 2 2.4 3.2 4 5 5.5 6.5 8 10 11 13 15 16
Jam Nut 1.2 1.6 1.8 2.2 2.7 3.2 3.5 4 5 6 7 8 9 10
Nylock Nut - - 4 5 5 6 - 8 10 12 14 16 18.5 20
Diameter*(mm)   4 5 5.5 7 8 10 11 13 17 19 22 24 27 30

Advantages of 904L stainless steel fasteners

  • Good dimensional accuracy
  • Decent temperature tolerance
  • Superior surface finish
  • High malleability
ss 904l fasteners

Types of SS 904l fastener


Stainless Steel 904l bolt

Stainless Steel 904l bolt

Stainless steel 904l nuts

Stainless steel 904l nuts

SS 904l hex bolt

SS 904l hex bolt

UNS S08904 fasteners

UNS S08904 fasteners

Find ASTM A193 Type 904L Stud Bolt Equivalent and Mechanical Properties

Mechanical properties of SS 904l nut


Grade Density Tensile strength Melting points Elongation Yield strength(0.2% offset)
SS 8.0g/ cm3 PSI-75000, MPa-515 1400°C (255°F) 35% PSi-30000, MPa-205

Equivalent grade of SS 904l stud bolt


Standard Werkstoff nr. UNS JIS BS GOST AFNOR EN
SS 1.4301 S30400 SUS 304 304S31 08X18H10 Z7CN18-09 X5CrNi18-10
Get WNR 1.4539 Screws in BSF, BSW, UNF, UNC, and METRIC Threads as Per MTC EN 1024 3.2 Certificates
  • Metric fine
  • 12-thread series (12-UN)
  • Trapezoidal
  • Coarse thread (UNC)
  • BSF
  • UNJ
  • UNEF
  • Metric coarse
  • ACME
  • Fine Thread (UNF)
  • 8-Thread Series (8UN)
Check ASME SA193 gr 904L Washers Weight Chart and Torque Chart

Weight chart of stainless steel 904l hex bolt


Size (UNC) Weight / metre Size (mm) Weight / mtr
3/8” 0.469 M10 0.500
¼” 0.194 M6 0.177
½” 0.896 M12 0.725
5/16” 0.323 M8 0.319
5/8” 1.342 M16 1.330
9/16” 1.096 M14 0.970
1” 3.638 M24 3.000
¾” 2.021 M20 2.080
1 ½” 8.281 M36 6.900
2 14.741 M48 12.400
1 ¼” 5.718 M30 4.750

INOX AISI 904L Bolt Torque Chart


Size Range 1⁄4 5⁄16 3⁄8 7⁄16 1⁄2 9⁄16 5⁄8 3⁄4 7⁄8 1 11⁄8 11⁄8 11⁄4 11⁄4 13⁄8 13⁄8 11⁄2 11⁄2 13⁄4
TPI 20 18 16 14 13 12 11 10 9 8 7 8 7 8 6 8 6 8 5
Proof Load in LBS (Weight) 3,350 5,500 8,150 11,150 14,900 19,100 23,750 35,050 48,500 63,650 80,100 82,934 1,01,750 1,05,006 1,21,300 1,29,492 1,47,550 1,56,687 1,99,500
Clamp Load in LBS (Weight) 2,513 4,125 6,113 8,363 11,175 14,325 17,813 26,288 36,375 47,738 60,075 62,201 76,313 78,754 90,975 97,119 1,10,663 1,17,515 1,49,625
Torque Tightening (ft LBS) Galv + Waxed 5 11 19 30 47 67 93 164 265 398 563 583 795 820 1,042 1,113 1,383 1,469 2,182
Galv 13 27 48 76 116 168 232 411 663 995 1,408 1,458 1,987 2,051 2,606 2,782 3,458 3,672 5,455
Plain 10 21 38 61 93 134 186 329 530 796 1,126 1,166 1,590 1,641 2,085 2,226 2,767 2,938 4,364
Size Range 13⁄4 2 2 21⁄4 21⁄4 21⁄2 21⁄2 23⁄4 23⁄4 3 3 31⁄4 31⁄4 31⁄2 31⁄2 33⁄4 33⁄4 4 4
TPI 8 41⁄2 8 41⁄2 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8
Proof Load in LBS (Weight) 2,18,400 2,62,500 2,90,850 3,41,250 3,73,801 4,20,000 4,66,200 4,68,500 5,15,851 5,67,150 6,18,451 6,74,500 7,30,550 7,91,350 8,51,201 917700 9,82,300 1052600 11,21,950
Clamp Load in LBS (Weight) 1,63,800 1,96,875 2,18,138 2,55,938 2,80,351 3,15,000 3,49,650 3,51,263 3,86,888 4,25,363 4,63,838 5,05,875 5,47,913 5,93,513 6,38,401 688275 7,36,725 789450 8,41,463
Torque Tightening (ft LBS) Galv + Waxed - 3,281 - 4,799 - 6,563 - 8,050 - 10,634 - 13,701 - 17,311 - 21,509 - 26,315 -
Galv - 8,203 - 11,997 - 16,406 - 20,124 - 26,585 - 34,252 - 43,277 - 53,771 - 65,788 -
Plain 4,778 6,563 7,271 9,598 10,513 13,125 14,569 16,100 17,732 21,268 23,192 27,402 29,679 34,622 37,240 43,017 46,045 52,630 56,098

Application of stainless steel 904l fasteners


  • → Heat exchangers
  • → Off-shore oil drilling
  • → Gas processing
  • → Petrochemicals
  • → Aircraft exhaust
  • → Power generation
  • → Sea water equipment
  • → Pharmaceuticals