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The corresponding code for nuts is a single number and is derived from the left hand number of the property class of the bolt, screw and stud. Home | Size / Thread Reference. // -->. Property class Designation for Nuts. An axial tensile load which the product must withstand Yield Strength or Stress at 0,2% permanent Set 8 x 8 x 10 = 640 MPa.

Lamalloy - Medium Carbon Alloy Steel, Quenched and Tempered - up to 1 1/2" proof load 145000 psi, …

property class 8,8 and above are required to be marked with the appropriate code. Excel App. US Bolts - Tightening Torques . Grade 8 English Bolt I have a number of bolts of various sizes on a 1960 Lancia, an Italian car. ASTM A325 Bolts Dimensions Chart, Strength, Grade A325 Structural Bolt Sizes, 1.4104 Stainless Steel X14CrMoS17 Material Properties Equivalent, QT650, European EN Standards – BSI and DIN Standards, Tensile Requirements for Full-Size Bolts, Studs, and Threaded Rod, Bolt Size, Threads per Inch, and Series Designation, Alternative Proof Load, Yield Strength Method, Hardness Requirements for Structural Bolts, Studs, and Threaded Rod, Table 2.1-1, Dimensions of Heavy Hex Structural Bolts A325, Nominal Size or Basic Product Diameter, inch, Maximum Total Runout of Bearing Surface, FIM, Table 3.1-1, Dimensions of Heavy Hex Nuts for Use With Structural Bolts.

Carbon Alloy Steel, Quenched and Tempered, Stainless markings vary. ASTM A325 bolts are one of the most commonly used fasteners, usually used for structural steel connections in heavy steel structures. The below diagram shows examples of English and Metric bolt and nut markings. All Rights Reserved.

By browsing this website, you agree to our use of cookies. The higher the grade, the stronger the bolt. Hex Bolt Identification, Markings and Strength Chart Table Guide. The grades are indicated on top of the bolts as raised numbers or dashes. Printable fastener chart.

Tensile strength and proof loads SAE bolts. Minimum Yield Strength (psi) Minimum Tensile Strength (psi) American Bolts. Nominal Size Range { The exception is F1554 and A307 grade C in which stamping is a supplemental requirement while color coding is required. 1. English bolts have radial lines on their head to identify the grade, or strength class. }, © Copyright 2000 - 2020, by Engineers Edge, LLC www.engineersedge.com All rights reserved document.write(''); 400 MPa for classes 4.x, 500 MPa for classes 5.x, 600 MPa for classes 6.x, 800 MPa for classes 8.x, and 1000 MPa for classes 10.x. Online Books & Manuals Engineering News The strength of standard ISO metric steel bolts, studs and nuts is readily identified by means of a numerical code. 9.

This will reduce the table to the selected grades for easy comparison. I assume it has to do with grade or class.

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document.write(' ') Your email address will not be published. Tick the boxes to the left of the grade mark to bring up the Compare button.

Comparison Chart for Screw Size, Inch Fractions, Decimals and Millimeters, The Primary Types of Heat Shrink Tubing Explained, How to Replace the Door Hinge Pins & Bushings On a 1988-2000 Chevrolet or GMC Truck/SUV, Grade 5 - Medium carbon steel, quenched and tempered, Grade 8 - Medium carbon alloy steel, quenched and tempered, Grade A325 - Carbon or alloy steel with or without Boron, 18-8 Stainless - Steel alloy with 17-19% Chromium and 8-13% Nickel, Class 8.8 - Medium carbon steel, quenched and tempered, Class 10.9 - Alloy steel, quenched and tempered, Class 12.9 - Alloy steel, quenched and tempered, A-2 Stainless - Steel alloy with 17-19% Chromium and 8-13% Nickel.

Portland Bolt & Manufacturing Company, Inc. Atmospheric Corrosion Resistant Steel, Most stainless is non-magnetic, Steel

Grade 2 English Bolt

Proof Load: Have you any information on this? Proof Load: An axial tensile load which the product must withstand without evidence of any permanent set. Tensile Strenght: Proof Load Tensile Strength for Grade 2, 5, & 8, ... Alma Bolt Company & Prime Fasteners 1-800-526-2200.

7. You can send it to service@henrysautowarehouse.com. document.write(''); The yield strength f yb and the ultimate tensile strength f ub for bolt classes 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, and 10.9 are given in EN1993-1-8 Table 3.1. a material can withstand before breaking or fracturing. 11. The below diagram shows examples of English and Metric bolt and nut markings. Download & View Bolt Depot - Bolt Grade Markings And Strength Chart as PDF for free.