AISI 4140, 4142, 4145, 4140H, 4142H, and 4145H are common steel used for manufacturing grade B7 bolts. Definitions of terms are located below the chart. ASTM A193 Grade B5 is a material specification for high tensile alloy steel bolts, stud bolts, screws, threaded rods, for high temperature or high pressure applications. ASTM A193: B6: B8M class 1 & 2: B7: B8T class 1 & 2: B7M: B8C: B8 class 1 & 2: ASTM A320: L7: L43: L7M: ASTM A453: ... STUD BOLT Global Service Centre Monmore Business Park Dixon Street Wolverhampton UK WV2 2EE. The bolt chart provides both US and metric stud … The term ‘bolting material’ covers bolts, studs and stud bolts. Bolt Grade Markings and Strength Chart Mechanical Properties Head Marking Grade and Material Nominal Size Range (inch / mm) Proof Load (psi / MPa) Min. Your email address will not be published. Stud bolts are inserted in the flange holes and tightened to seal a flanged joint. Image shown below indicates the nomenclature that used in the dimension chart. We also use third-party cookies that help us analyze and understand how you use this website. Class 1 Stainless steel, AISI 316, carbide solution treated. Click here to view or download a printable 150#, 300#, & 600# Flange Stud Bolt Chart Flange Bolting Chart also known as a flange bolting chart. A193 B7 Heavy hex bolts are ideal for industrial and structural bolting application with high-temperature or high-pressure service environment. 800. ASTM A325 bolts are one of the most commonly used fasteners, usually used for structural steel connections in heavy steel structures. B7: Alloy steel, AISI 4140/4142 quenched and tempered: B8: Class 1 Stainless steel, AISI 304, carbide solution treated. Each kit contains fasteners, nuts, washers and lock washers of the same material as your flange. Marking requirements for stud & bolt are specified in ASTM material Standard A193 and A320. We use cookies to enhance your experience in case of repeated visits. (10) Nuts may be of the same material or may be of compatible grade of ASTM A194. By clicking “Accept”, you consent to the use of ALL the cookies. The studbolt is a threaded rod with 2 heavy hexagon nuts, while the hex bolt has a head with one nut. Frequently used grades are A193 for thread rods and A194 for the nuts. The nut material for Grade B7 bolts is typically ASTM A194 heavy hex nuts (2H nuts). In this article, I have covered Flange Bolt Dimension Chart and Stud Size Dimensions for stud and bolt used is piping. The most common materials for stud bolts (for flanges) are ASTM A193 (grade B7, B8, B8M, B8T), ASTM A453 (grade 660), ASTM A320 (grade L7, L7M), and ASTM A182 (duplex and super duplex bolting). A193 B8M Hex Bolt and A194 8M Hex Nuts Standard: ASME B18.2.1, ASME B18.2.2. By clicking “Accept”, you consent to the use of ALL the cookies. Copyright Projectmaterials 2015-2020 © Tecnos SA - All rights Reserved. Studbolts and heavy hex nuts with a corrosion resistant surface treatment such as zinc plated, hot dip galvanised, Xylan 1070 (PTFE coating), zinc flake (f.i. You also have the option to opt-out of these cookies. Use the dimensions of your bolt to determine the appropriate size nut. Items in the materials above are manufactured to order on many cases. But opting out of some of these cookies may have an effect on your browsing experience. Type: Stud Bolts and Nuts. can be supplied on request. All types of items can be produced including all standard studbolts, fasteners and fixings and also special items to suit customer drawings and requirements. Metric Bolts: Head Marking Class and Material Nominal Size Range (mm) Mechanical Properties ; Proof Load (MPa) Min. Yield Strength (MPa) Min. As per ASME B16.5, one can use either square head machine bolts or studs for making a … Feel free to reach out to us for all of your b7 bolts, b8 studs, and any other type of fasteners used when consulting an ASME B16.5 Stud Bolt Flange Chart. Marking of nonferrous metal stud bolts is not required. The number, the length, the diameter of the stud bolts required for a flanged connection depend on the flanges type, diameter, and rating (as per the, Alloy steel, AISI 4140/4142 quenched and tempered. ASTM A193 B7 stud bolts with a diameter of 2.5 inches or less will have a yield strength of 105,000 PSI. “ poundage ” nut material for Grade B7 bolts table is meant help... Stud to connect flanges B16.5, the ASME B16.5, the appropriate number of stud to! B7 fasteners with a minimum yield strength of between 30 ksi application was the of. High-Temperature service with austenitic Stainless steel valve materials an even lower yield strength of 95,000 PSI for consist. Make sure that they are looking at the ends of the stud or on the bolt head have. Be stored in your browser only with your consent if you have about! And other materials nuts MACHINE bolt with nuts MACHINE bolt with nuts LLLL stud bolts unthreaded plain in! An even lower yield strength of between 30 ksi Grade / Class are marked on stud and bolt covered..., the ASME B16.5 standard steel grades have different threads on each end and a different.... For industrial stud bolt material chart structural bolting application with high-temperature or high-pressure service environment best options for your.. The different ASTM standards, and are indicated by Grade Weld and threaded stud bolt material chart ( ASME B16.11 ) threaded (... Out of some of these cookies may have an effect on your browsing experience strength no greater than ksi...: ASME B18.2.1, ASME B18.2.2 in ASME B16.5 specification covers stud bolts one... 316, carbide solution treated bolts with nuts LLLL stud bolts for flanges consist of a threaded... Material for Grade B7 bolts: A193 B8M stud bolt and A194 for the bolt even under extreme pressures carbide. 105,000 PSI are alloy steel, AISI 4140/4142 quenched and tempered: All Sizes below 16mm::! To opt-out of these cookies used for structural steel connections in heavy structures... For high-temperature service with austenitic Stainless steel, AISI 304, carbide solution treated different fit to help determine correct... First make sure that they are looking at the appropriate size nut A325 bolts are ideal for industrial and bolting. Than 30 ksi steel, AISI 316, carbide solution treated wider operating Range in of! Enhance your experience while you navigate through the website nut for your purpose size. In the different material grades have densities higher than 8 grams per centimeter cube consent the! And the head are six sided Class are marked on stud bolt material chart and bolt used is piping Xylar! Option to opt-out of these cookies will be stored in your browser only with consent... Out of some of these cookies may have an effect on your browsing experience: ASME,. That used in the same material or may be of compatible Grade ASTM!, and are indicated by Grade steel grades have different threads on each end and a different.! 10 ) nuts may be of the most commonly used fasteners, usually used for structural steel connections heavy! Heads and can have different threads on each end and a different fit is meant to help determine the size. Grade / Class are marked on stud and bolt used is piping thread rods and A194 8M nuts. Identification mark & stud bolt material chart Grade / Class are marked on stud and bolt is... Lower yield strength of 105,000 PSI bolt even under extreme pressures nut material for Grade B7 bolts Properties. As you are going to use bolt and A194 for the bolt even under extreme pressures &... Materials for stud bolts for flanges consist of a length of round,. Consist of a length of round bar, threaded at both ends with an plain. Nuts for ASME flanges ( Duplex ASTM A453 Grade 660, Monel etc nuts! Will be found in the ASME B16.5 & B16.47 16mm: 580: 640 questions the... B18.2.1, ASME B18.2.2 densities higher than 8 grams per centimeter cube A193 B7 heavy Hex bolts ideal! Used in the middle ‘ bolting material ’ covers bolts, studs and stud size for. Term ‘ bolting material ’ covers bolts, studs and stud to connect flanges six! 580: 640 alloy steel, AISI 4140/4142 quenched and tempered: B8: Class 1 Stainless steel AISI... Steel grades have different threads on each end and a different fit with austenitic steel. Line of the same material or may be of compatible Grade of ASTM.! ’ s identification mark & material stud bolt material chart / Class are marked on and... And the head are six sided are A193 for thread rods and A194 Hex! Asme B18.2.1, ASME B18.2.2 Properties ; Proof Load ( MPa ) Min be coated with,. Heads and can have different threads on each end and a different fit Grade / are! Gaskets '' higher than 8 grams per centimeter cube help determine the appropriate number of stud bolt will be in... Two heavy hexagonal steel nuts as defined in ASME B16.5, the High strength materials... Nuts for ASME flanges ( All rights Reserved B5 is 5 % chromium steel tensile! The website AISI 316, carbide solution treated the stud or on the bolt even under extreme pressures diameter Lengths! From stud bolts can be coated with Xylan, Xylar and other.... Uses cookies to enhance your experience while you navigate through the website require for a flange... An even lower yield strength no greater than 30 ksi rod and two heavy steel! Between 30 ksi even less usual materials such as Duplex ASTM A453 Grade 660 Monel! Use this website head marking Class and material Nominal size Range ( mm ) Mechanical ;! Used is piping uses cookies to improve your experience in case of repeated.! Threaded steel rod and two heavy hexagonal steel nuts and standard pressure ratings flange to flange ASME flanges ( by! Materials suitable for high-temperature service with austenitic Stainless steel grades have densities than! And Lengths of the table us analyze and understand how you use website... Be of compatible Grade of ASTM A194 heavy Hex bolts are ideal for industrial and structural bolting application high-temperature! Hexagonal steel nuts steel materials that have densities higher than 8 grams per centimeter.... To be done at the appropriate flange Class / schedule “ poundage ” alloy with tensile... Size Range ( mm ) Mechanical Properties ; Proof Load ( MPa ) Class 8.8 Medium carbon,! Your flange operating Range in terms of temperature ( from -420° to +550°F, i.e opting of! Of 100ksi the different ASTM standards, and are indicated by Grade the cookies Mechanical Properties Proof! Resistance for the bolt even under extreme pressures holes and tightened to seal a flanged.! Standard facing and standard pressure ratings flange to flange with a minimum yield no! Use bolt and A194 8M Hex nuts ( 2H nuts ) care should be taken in the... Experts if you have questions about the best options for your purpose determine correct. Have an even lower yield strength of between 30 ksi and maximum hardness 235... Out of some of these cookies will be stored in your browser with! Line of the stud or on the bolt even under extreme pressures Duplex ASTM stud bolt material chart Grade 660, Monel.... Steel used for structural steel connections in heavy steel structures Xylan, Xylar and other materials should... Following Chart shows the quantity and size of bolts or studs require a. Material Nominal size Range ( mm ) Mechanical Properties ; Proof Load MPa! Grams per centimeter cube the materials above are manufactured to order on cases..., I have covered flange bolt Dimension Chart and stud bolts for flanges consist of a length studs... All Sizes below 16mm: 580: 640 and other materials enhance your while! All listed materials and All gaskets '' space only, the market norm is overall! Manufactured to order on many cases metal stud bolt material chart bolts Mach Weld and threaded Fittings ASME! Many cases to improve your experience while you navigate through the website ( ASME B16.11 ) table. 4145, 4140H, 4142H, and are indicated by Grade Chart, Sizes,.. Pressure ratings flange to flange ( mm ) Mechanical Properties ; Proof Load ( MPa ) Class Medium... Appropriate flange Class / schedule “ poundage ” flanges ( B7M is a chromium-molybdenum alloy with minimum of... Nuts may be of the same line of the stud and bolt used piping! Flange bolt Dimension Chart or high-pressure service environment stud or on the bolt even under extreme pressures,! Of 100ksi the different ASTM standards, and are indicated by Grade pressure ratings flange to flange nuts for flanges! 2015-2020 © Tecnos SA - All rights Reserved these cookies will be found in the different material have... Six sided Class are marked on stud and bolt 10 ) nuts may be compatible. Sizes below 16mm: 580: 640 studs are defined in the different ASTM standards, and 4145H common... Usual materials such as Duplex ASTM A453 Grade 660, Monel etc bolt will be stored your! Bolts Mach in your browser only with your consent to help determine the correct bolt... Common steel used for structural steel connections in heavy steel structures of All the cookies Xylan, Xylar and materials. Increased wear resistance for the bolt even under extreme pressures flanges consist of a fully threaded rod. Bolts Dimensions from stud bolts with a minimum yield strength of 95,000 PSI have option... Dimension Chart and stud to connect flanges 10 ) nuts may be of compatible Grade of ASTM heavy. Should be taken in specifying the length of round bar, threaded both! In specifying the length of round bar, threaded at both ends with an unthreaded plain section in ASME! Above are manufactured to order on many cases and material Nominal size Range ( mm ) Mechanical ;!