The most important thing to know about SS 304 Bolts are Torque chart, Strength, Shear Strength, Grades, Mechanical properties, Torq chart metric and yield strength. Max. Torque applifast.com Steel Grade SAE 5 SAE 8 Socket Head Cap Screws Property Class 8.8 10.9 12.9 Socket Head Cap Screw Torque in Pound Foot or (Pound Inch) Torque in Newton Meter - Nm Lubed means cleaned, dry bolts, lubricated with standard medium viscosity machine oil. Pre-load and tightening torques for stainless steel fasteners - Coarse Metric Threads For a lubricated bolt, torque values ranged from 7.3Nm to 8.5Nm for 4.4kN to 5.5kN tension range. Use at your own risk! Bolt Size. TIGHTENING TORQUE FOR STAINLESS STEEL SCREWS Please use in heated-up condition the half of the values shown! Advertising Center Tightening torque values are not given in this standard. Because the calculations specified in the torque chart below are offered as a guide only, it is the sole responsibility of any person using them to assume all risk. The following suggested tightening torques provide an excellent starting point for determining torque requirements. Stainless Steel Hex Bolts Recommended Tightening Torque Note: STAINLESS HEX BOLTS - RECOMMENDED TIGHTENING TORQUE (Nm) Nominal Pitch Stress Area Class Class Class Size (mm) (mm2) 50 70 80 M3 0.50 5.03 0.4 0.9 1.2 M4 0.70 8.78 1.0 … Grade 2 calculations only cover fasteners 1/4" - 3/4" in diameter up to 6" long. Bolt Torque Charts These charts show suggested maximum torque values for threaded products and are intended only as a guide. Our Donut/Thru Hole Series (LTH) offers a variety of capacities and inner diameter sizes making it ideal for bolt fastening applications. K values: waxed (e.g. The mechanical properties of stainless steel (eg strength, ductility), and how well the alloy stream d|dttI�l��tR>4f� �T^�2�2�ۙ���8��@���3�I� F�(WR��Q8M/�v ����1p� �ĸ�,����&p��tJ56S����ǦA�r��g+f�����s�h��[8a�w���l����.��ρ|�L���=�`-�.�`��ɫ�|�Mk�����3`�n�v&:�9�a�2� Stainless steel describes a family of steels highly resistant to tarnishing and rusting that contain at least two separate elements alloyed together. It is a function of the materials' frictional characteristics, which are based on surface finish, coatings and so on. Training Online Engineering FASTENER TORQUE CHARTS NOTES: The above recommended assembly torques are offered as a guide only. Lubricate all contact areas of the bolts and washers. Effect of lubrication on torque-tension relationships is shown above by the chart, which is based on results obtained with 9/16" - 18 steel bolt driven into aluminium. Torque Design Menu Torque-Force Calculator | Torque Conversion Calculator. COUNTERSINK Flare or bevel at the hole end. 8.0 in-lbs. 2. Bolt material. A2/A4 Stainless Steel; ISO 7380 Button Head Socket. For other friction conditions, significant modifications may be required. x��][���q�s�� ; %�쏢 DIN 913 Flat Point; DIN 914 Cone Point; DIN 915 Dog Point; DIN 916 / ISO 4029 Cup Point; A2/A4 Stainless Steel; DIN 479-8.8 Square Head; Low Head Socket Cap Screws This shows torque values in Nm for properties classes 50, 70 and 80 as shown in the table below. TIGHTENING TORQUES FOR METRIC BOLTS of yield strength (Sy) MÉTRIQUE Diameter (mm) 6 8 10 12 14 16 18 20 22 24 27 30 33 36 39 42 45 48 52 56 60 64 68 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 PITCH (mm) 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6 6 STRESS AREA (As) In mm² 20 37 58 84 115 157 192 … Online Books & Manuals When the bolt loading requires a torque higher than 678 Nm (500 ft-lbs.) 3. Always refer to the manufacturers recommended torque values if possible. Various K Factors: Typical Steel Bolt: 0.20: Zinc-Plated: 0.20: Lubricated: 0.18: Cadmium-Plated: 0.16: Miscellaneous Data: Applied Load: tensile: lb Help. // -->, Bolt or Pin In Single Shear Equation and Calculator, Bolt or Pin In Double Shear Equation and Calculator, Torque Table Standard Bolt Sizes SAE Grades 1 - 8, Bolt Preload Tension Equation and Calculator, GD&T Training Geometric Dimensioning Tolerancing. DFM DFA Training Bolt Fastening. 1. There are currently no comments available. FUTEK's Donut/Thru Hole Load Cells are major players when measuring the tightening of load directly. Bolt Size Inches: Coarse Thread/ inch: SAE 0-1-2 74,000 psi Low Carbon Steel: SAE Grade 3 100,000 psi Med Carbon Steel: SAE Grade 5 120,000 psi Med. Torque Values for A2 or A4 Metric Stainless Steel Fasteners Bolt Dia (mm) Dry Lubricated 3 1.0 0.9 8.9 in-lbs. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners. These charts show suggested maximum torque values for threaded products and are intended only as a guide. Engineering Book Store ISO 898: Bolt class. Metric Steel Bolts - Grades and Property Classes - Metric steel bolts, screws and studs - proof and tensile strength; Reduced Torque with Lubricated Bolts - Lubrication effect on bolt tension and torque; Threaded Bolt Stress Area - Threaded bolts tensile stress area; Threaded Rods - Loads in Imperial Units - Weight rating of threaded hanger rods 48 ft-lbs. Engineering Calculators The smaller ones such as the M4 sizes have about 2.7Nm torque while the larger ones have larger torque values. For standard bolt torques use 0. For a non-lubricated bolt, torques of 13Nm - 14Nm were required to develop tensions of 3.5kN to 6.2kN. bolting torque table 5 - ptfe coated astm a193 b7 and astm 193 b16 stud bolts. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners. The Stainless Steel Hex Bolt A2-70 dimensions involve different torque capacities as well. © Copyright 2000 - 2021, by Engineers Edge, LLC www.engineersedge.com All rights reserved Bolt torque chart reference guides include Grade 2, B7, A307, A325, Grade 8, A490, and Grade 5. Engineering News There are many variables affecting the torque-tension relationship, such as human error, surface texture, and lubrication. 12.9 Grade Bare Steel; A2 Stainless Steel; Set Screws. Also check ss 304 nut bolt price list,ss 304 bolt strength and 304 stainless steel bolt torque chart before you buy the material. Effect of lubrication on torque-tension relationships is shown above by the chart, which is based on results obtained with 9/16" - 18 steel bolt driven into aluminium. // --> This applies to 'grades' A1, A2, A3, A4 and A5. document.write(''); ASME: ASME B18.2.6 covers dimensional standards for A325 heavy hex structural bolts RCSC: The Research Council on Structural Connections is a non-profit, volunteer organization whose research projects serve to provide … N/mm , min. The above Table is applicable only for ASTM A320 Grade B8, Class 2 and A193 Grade B8, Class 2 Stud Bolts. Stainless Steel STAINLESS HEX BOLTS - MINIMUM YIELD STRESS 0.2% (Mpa or N/mm²) Nominal Pitch Stress Area Class Class Class Size mm mm² 50 70 80 M3 0.50 5.03 210 450 600 M4 0.70 8.78 210 450 600 M5 0.80 14.20 210 450 600 M6 1.00 20.10 210 450 600 M8 1.25 36.60 210 450 600 M10 1.50 58.00 210 450 600 M12 1.75 84.30 210 450 600 tightening torque [Nm] metric regular thread DIN13 metric fine thread DIN13 M 4 2,4 M 5 5,0 M 6 8,5 M 8 x1 23 M 8 21 M 10 x1,25 44 M 10 41 M 12 x1,25 80 M 12 72 M 12 x1,5 76 M 14 115 M 14 x1,5 125 M 16 180 M 16 x1,5 190 M 18 245 M 18 x1,5 275 M 20 345 M 20 x1,5 385 M 22 465 M … bolting torque table 4 - use only with 6061-t6 aluminium flanges. We Are A4 80 Metric Bolts Manufacturer, Check Stock Of A4-80 Nuts, Threaded Rod, Fasteners. {