stainless steel bolt grades chart


There’s a fourth category, too. 510 Mpa. This group of 400-series steels contains 10.5%-20% chromium for corrosion protection and resistance to scaling at high temperatures. Medium carbon steel, quenched and tempered. 828 Mpa. Stainless steel screws and bolts with the additional alloying elements to low Carbon steel such as Chromium and Nickel in high amounts, Steel develops a resistance to corrosion or staining, and will not lose this resistance if scratched; it is then known as Stainless steel. Auto exhaust systems, heat exchangers, furnace liners. I encountered quite a bit of issues with stainless steel nuts and bolts. Corrosion resistance comparable to 302. Good combination of corrosion resistance, formability, mechanical properties. Marine grade stainless steel is the recommended outdoor cabinetry material for all coastal areas. Food and drink, sanitary, cryogenic and pressure applications. However, the two most common grades are 304 stainless fasteners (commercial grade) and 316 stainless fasteners (marine grade). Metric Bolt Grade Markings and Steel Strength Chart - MonsterBolts. A metric bolt designated as ISO class 6.8 roughly corresponds in strength to an SAE Grade 2 bolt. Contact us. Product catalog | Nuclear, automotive, power generation, chemical processing, consumer appliances. Bolt Grade Markings and Strength Chart Mechanical Properties Head Marking Grade and Material Nominal Size Range (inch / mm) Proof Load (psi / MPa) Min. Pump and boat shafts, nuts, bolts, marine hardware. Austenitics are the most specified stainless steel grades thanks to their excellent formability and corrosion resistance. Proof Load (psi) Yield Strength Min (psi) Tensile Strength Min (psi) Low‐ or Medium‐ Carbon Steel 1/4 THRU 1 ½ 33,000 36,000 Low‐Carbon Steel 1⁄4  thru 4 −− −− SAE J429 Grade 2 Low‐ or Medium‐ Carbon Steel 1⁄4  thru 3⁄4 Over 3⁄4  thru 1 ½ 55,000 33,000 57,000 36,000 74,000 60,000 316 seems to happen more often. 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; Steel Bolts - SAE Grades - SAE steel bolts - grades ranging grade 1 to 8.2 - proof and tensile strength The grade of a bolt determines the maximum amount of stress (tensile strength) that the bolt can handle. Metric Fasteners 101 Monster Bolts Nov 05, 2019. hbspt.cta._relativeUrls=true;hbspt.cta.load(1629394, 'aaddfe0f-a171-4e5d-b609-274a2907712e', {}); (Editor's Note: This article was originally published in November 2017 and was recently updated. Medium Carbon Steel, Quenched and Tempered. Bolts are made of different grades of steel. However, in other environments, such as the desert, the mountains, a city rooftop or simply – your home, 304 works just fine. High strength and hardness. Resistant to erosion, fatigue, stress corrosion cracking, and pitting and crevice corrosion. They are corrosion-resistant and durable. GRADE 2. Usually Stamped A-2 or A-4: A-2 & A-4 Stainless Steel alloy with chromium and nickel: All … Good resistance in hardened condition to atmosphere. “H” denotes high carbon content, a sign of increased strength. It can also be quickly hardened by machining. Resists dry atmospheres, freshwater, mild alkalis and acids, steam, and hot gases. The type of stainless steel fastener used should be engineered for the application/environment that it is being used. Excellent resistance to wide variety of corrosive media, approaching that of 304. Newer to the world of stainless steel grades is the duplex category. SS316 is often used for building nuclear reprocessing plants. Unlike bolts that fall under ASTM specifications, there are no specific requirements for mechanical properties for bolts being called out by the steel grade only. High-carbon, moderate corrosion resistance, superior strength and hardness. Torque Values Stainless Steel Bolt Table Chart. • 866-337-9888, 210 Min. Keep reading here. Corrosion resistance, Food and drink, sanitary, cryogenic and pressure. Duplex stainless steels represent a combination of austenitic and ferritic stainless steels. Grade 304 SS is the most well-known and commonly used austenitic stainless steel. Over 1 thru 1-1/2 74,000: 81,000: 105,000 psi. Carbon content is low. • 1040. 304 Stainless Steel Hex Bolts Specification. Of the stainless steel types, martensitic is probably the least known. Aluminized version adds salt and cosmetic corrosion resistance. The grades are indicated on top of the bolts as raised numbers or … About 50% ferrite and 50% austenitic. Good weldability. Stainless Wire Rope. Medium Carbon Alloy … Marine, chemical, and petrochemical industries, Excellent weldability, toughness, and fabricating characteristics, Tubing for bus frames, hopper cars, chutes, storage tanks, shipping containers. Stainless Steel Grade Composition Chart. Toll free: 866-337-9888, Home | Outside of the US it is commonly known as "A2 stainless steel", in accordance with ISO 3506 (not to be confused with A2 tool steel). stainless steel 1.4571 equivalent, stainless steel 1.4408 equivalent, stainless steel 1.4301 equivalent, stainless steel 1.4541 equivalent, stainless steel 1.4310 equivalent, stainless steel 1.4462 equivalent, stainless steel 310 equivalent, stainless steel aisi 316l equivalent, stainless steel aisi 316 equivalent‎

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