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Grade 8 - SAE J429. Bolts and Screws. Medium carbon / alloy steel with additives, quenched and tempered . 1/4" - 1-1/2" 120,000 . 150,000. 130,000. C33 / C39 Grade 8.2 - SAE J429. Bolts and Screws Low carbon Boron steel, quenched and tempered. 1/4" - 1" 120,000. 150,000. 130,000. C33 / C39 : L9 - Grade 9. Bolts, Nuts and Washers. Hight strength ...
Grade 8. Standard Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or both. ASTM A194 specification covers a variety of carbon, alloy, and martensitic stainless steel nuts in the size range 1/4 through 4 in. and metric M6 through M100 nominal.
GradeTensile ClassRaw MaterialB8Class 1AISI 304 Stainless Steel, Carbide ...B8Class 2AISI 304 Stainless Steel, Carbide ...B8CClass 1AISI 347 Stainless Steel, Carbide ...B8CClass 2AISI 347 Stainless Steel, Carbide ...Aug 2, 2023 · How Strong Are Grade 8 Bolts? Grade 8 bolts are the highest grade of bolts under the SAE J429 standard, which means they have the highest strength. Here are their various strength specifications:
Turn the large flat sides with a wrench into square holes that stop further rotation. 25 products. Choose from our selection of grade 8 bolts, including over 1,800 products in a wide range of styles and sizes.
Nuts over 1-inch nominal size shall be either UNC Series Class 2B fit or 8 UN Series Class 2B fit. High strength ASTM A194 grade 2H nuts are common in the marketplace and are often substituted for ASTM A563 grade DH nuts due to the limited availability of DH nuts in certain diameters and finishes. A194 Grades. A194 Mechanical Properties.
Feb 24, 2016 · Grade 8 bolts are significantly stronger than an A325. An ASTM specification with similar strength properties to grade 8 is ASTM A490. Compare more strengths with our strength by grade chart. Configuration Differences.
Shear strength is typically 60% of tensile strength, and the minimum tensile strength of a grade 8 bolt is 150,000 psi. We have an FAQ that addresses this question here: https://www.portlandbolt.com/technical/faqs/bolt-shear-strength-considerations. Henry:How are all grade 8 bolts the same tensile strength?
