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Stainless Steel 431 Fasteners

AISI 431 Stainless Steel Bolts Manufacturer in India


Stainless Steel 431 Fasteners

Stainless Steel 431 Fasteners

SS 431 Hex Bolts

SS 431 Hex Bolts



Specification of SS 431 Hex Bolts

Dimensions ASME B18.2.1, B18.3
Melt Origin South America/East Europe/JapanKorea/
Product Origin Made in India
Threads Configuration ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads
Certification Dual Certified As per ASTM & ASME Codes
Additional Certifications PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Mandatory Requirements Free from Mercury & Radioactive Contamination
Additional Requirements NACE MR0103 / MR0175 / ISO 15156 Compliance

Various Types Of Stainless Steel 431 Fasteners

SA193 SS 431 Hex Bolts

SA193 SS 431 Hex Bolts

431 SS Threaded Rod

431 SS Threaded Rod

AISI 431 Acorn Nuts

AISI 431 Acorn Nuts

SS 431 Square Bolts

SS 431 Square Bolts

ASME SA193 431 SS Eye Nuts

ASME SA193 431 SS Eye Nuts

SS 431 Belleville Washers

SS 431 Belleville Washers

Stainless Steel 431 Roofing Screw

Stainless Steel 431 Roofing Screw

AISI 431 SS Coach Screw

AISI 431 SS Coach Screw


Dimension Chart of AISI 431 Stainless Steel Bolts

Diameter (D) Body Diameter (D) Across the Flats (F) Across the Corners © Head Height (H) Thread Lengths (T)
MAX MIN MAX MIN MAX MIN MAX MIN < 6” > 6”
1/2 0.515 0.482 0.875 0.85 1.01 0.969 0.364 0.302 1.25 1.5
5/8 0.642 0.605 1.062 1.031 1.227 1.175 0.444 0.378 1.5 1.75
3/4 0.768 0.729 1.25 1.212 1.443 1.383 0.524 0.455 1.75 2
7/8 0.895 0.852 1.438 1.394 1.66 1.589 0.604 0.531 2 2.25
1 1.022 0.976 1.625 1.575 1.876 1.796 0.7 0.591 2.25 2.5
1 1/8 1.149 1.098 1.812 1.756 2.093 2.002 0.78 0.658 2.5 2.75
1 1/4 1.277 1.223 2 1.938 2.309 2.209 0.876 0.749 2.75 3
1 3/8 1.404 1.345 2.188 2.119 2.526 2.416 0.94 0.81 3 3.25
1 1/2 1.531 1.47 2.375 2.3 2.742 2.622 1.036 0.902 3.25 3.5
1 3/4 1.785 1.716 2.75 2.662 3.175 3.035 1.196 1.054 3.75 4
2 2.039 1.964 3.125 3.025 3.608 3.449 1.388 1.175 4.25 4.5
2 1/4 2.305 2.214 3.5 3.388 4.041 3.862 1.548 1.327 4.75 5
2 1/2 2.559 2.461 3.875 3.75 4.474 4.275 1.708 1.479 5.25 5.5
2 3/4 2.827 2.711 4.25 4.112 4.907 4.688 1.869 1.632 5.75 6
3 3.081 2.961 4.625 4.475 5.34 5.102 2.06 1.815 6.25 6.

UNS N06431 Hex Nuts Chemical Properties

Elements C Mn P S Si Cr Ni
Min % - - - - - 15.0 1.25
Max % 0.20 1.00 0.040 0.030 1.00 17.0 2.50

Mechanical Analysis of Stainless Steel 431 Bolts

Ultimate Tensile, ksi [MPa] Yield Strength Offset, ksi [MPa] Elongation, % Reduction Of Area, % Hardness
- - - - 285 BHN max