SAE J429 covers fasteners sizes up to 1-1/2" inclusive. Continue Shopping View Your Cart. Mechanical properties of fasteners made of carbon steel and alloy steel Grade 8.8. . ASTM A356 Grade 8 is the ASTM designation for this material. 18-8 Stainless Steel. BS970 080M40 material or En8 steel equivalent to European EN (German DIN EN, French NF EN), ISO, Japanese JIS and Chinese GB standard (for . SAE J429 covers the mechanical and material requirements for inch series fasteners used in automotive and related industries in sizes to 1-1/2" inclusive. ASTM A194 specification covers a variety of carbon, alloy, and martensitic stainless steel nuts in the size range 1/4 through 4 in. Grade 18-8 stainless steel density is 7.93 g/cm3 (0.286 lb/in3), yield strength at 0.2% is minimum 30 ksi (205 MPa), tensile strength is minimum 75 ksi (515 MPa), maximum Brinell hardness is 201 HB, maximum Rockwell hardness is 92 HRB. Class 10.9 is similar to . Some equivalent materials may be stricter whereas others may be outside the bounds of the original material in selected parameters. Grade 8 Nut Properties A six sided internally threaded fastener made from steel. Your Price: $8.81 Qty. SAE J429. Only bolt assemblies of classes 8.8 and 10.9 may be used as preloaded bolts. Manganese contributes to increase the steel firmness, strength and wear resistance. Stainless Steel A286 is a precipitation-hardenable super-alloy based on iron. Joined: Aug 2, 2005 Posts: 1,770. I have of course contacted the company, and they have given me the tensile and yield strengths for the grade 8 material as TS=860Mpa and YS=580Mpa. Max. The wide ranges of tensile strength, yield strength, and hardness are largely due to different heat treatment . SAE J429 Grade 8 Alloy Steel Bolts: SAE J429 Grade 8 Shoulder Bolts: SAE J429 Grade 8 Fasteners Price List. Elements such as manganese, phosphorus, and sulfur are found in all grades of steel, but, whereas manganese provides beneficial effects, phosphorus and sulfur are deleterious to steel's strength and durability. SAE J429-Grade 8.2 Medium carbon boron steel: quenched & tempered ASTM F1554 Anchor Bolts, Steel Grade 36 Low or medium carbon steel 1/4 - 4-in 58,000(min) 80,000 (max) . AISI 304 (1.4301) Stainless Steel. The digit after the decimal .8 stands for its Tensile Yield Strength which is 0.8 times to its UTS. LSAW; outer diameter:325-1524mm thickness:6-50mm. ASTM A53 Carbon Steel Pipes. Holding Down Bolts Grade 8 (Bolt Failure) Chart - Standard 48 52 In Stock Zinc II plated yellow 8=640 MPa The Gr 4 Bolts are composed of different grades of steel, the greater the tensile strength of the steel, the The standards for the strength grade of bolts are set according to a system ideated by the Society of Bolts are composed of . According to EN1993-1-8 3.6.1(4) the design shear resistance F v,Rd should only be used where the bolts are used in holes with nominal clearances not exceeding those for normal holes as specified in EN 1090-2 'Requirements for the execution of steel structures'. Grade 3.6. Inhouse manufacturing facilities for Hardened BS 3692 Grade 8.8 Steel Punched Washer and 8.8 High Tensile Machined Washer in all sizes and dimensions. . ASTM A36 is a steel grade, not a . Grade 2 requirements for sizes 1/4" - 3/4" are applicable only to bolts 6" and under, and also to to all lengths of studs. 90% of 1,000 = 900 N/mm2 (MPa) Bolts and Studs can be supplied in Property classes. Yield Strength (in.) 10 x 100 = 1,000 N/mm2 (MPa) The Yield stress ratio 9 x 10 = 90%. The following tables summarize En8 steel properties, and specifications including chemical composition, mechanical properties, welding, hardness, heat treatment, etc. Silicon strengthens the steel strength. It is titled: Standard Specification for Carbon and Alloy Steel Externally Threaded Metric Fasteners. There is little difference in corrosion resistance among the 18-8 types, although slight differences in chemical composition do make certain grades more resistant than others to specific chemicals or atmospheres. It is recommended that a Grade 8 Flat Washer be used with Grade 8 Nuts and Bolts. Welding Grade 8 Steel Nuts/Bolts. What that means is that the 8.8 has give to it, is more forgiving and can move some, where with stainless, the steel is rigid IE: will snap much easier. It is made of alloy steel and has six radial lines on the top of the bolt head. 101,530. Below is a basic summary of the most common grades. Surface Finish.
It operated from December 1944 to November 2001. PROPERTIES OF GRADE 8.8 BOLT & NUT (ISO) BOLT SIZE PITCH STRESS AREA MM2 BOLT/STUD/SCREW ISO 898-1 Gr.8.8 NUT ISO 898-2 Gr.8 PROOF . 8 Grade Nuts, 8.8 Grade Bolts & other Fasteners AISI 15B25 0.23 / 0.28 0.90 / 1.30 0.30 max 0.10 / 0.20 0.03 0.03 0.0005 / 0.003 - - - . Joe Miranda, 9100 liked this post 02-22-2018, 08:06 PM #4 DJ2 Aluminum Join Date Feb 2007 Location Ontario, Canada Posts 186 90% of 1,000 = 900 N/mm2 (MPa) Bolts and Studs can be supplied in Property classes. Cited properties are appropriate for the heat treated (HT) condition. ASTM A356 grade 8 is an alloy steel formulated for casting. Thick. SAE J429 Grade 8 Fasteners Useful Information.
Grade 8 bolts are medium carbon alloy steel, quenched and tempered at a minimum temperature of 800 degrees Fahrenheit. 8.8 Grade Washer Size Metric. or alloy steel and when tested at room temperature. or alloy steel and when tested at room temperature. They list two types of steel, grade 8 high tensile and grade 6 high tensile. Grade 9 bolts are ideal for heavy-duty applications and are also often used in heavy machinery . Threaded Rod Grade 8.8 Steel (DIN 976) Our Grade 8.8 Steel Threaded Rods are generally fully stocked in 1 metre lengths in thread sizes above M3, both as Steel and Zinc plated options. SSAW: outer diameter:219-3200mm thickness:5-25mm. Many other grades exist but are used far less often. The Nominal tensile strength of a 10.9 bolt is calculated.
The standard was withdrawn in 2012. and has been replaced by ISO 898-1 is 0.5 and max is 0.7 . The size of ASTM A334 Grade 8 carbon and alloy welded pipe/tube. We recommend using grade 8 nuts, flat washers and high alloy lock washers with any grade 8 bolts / hex cap screws. It is kind of a stupid way of putting it. Alloy Steels. For example, 8.8, the first figure indicates 1/100 of the nominal tensile strength in N/mm2. Thin Pattern. The bolts are typically made of a medium carbon alloy steel that is plated in zinc for extra resilience. Tensile Strength (MPa) Class 8.8 Medium carbon steel, quenched and tempered: All sizes below 16mm: 580: 640. The carbon content in steel can range from 0.1%-1.5%, but the most widely used grades of steel contain only 0.1%-0.25% carbon. Carbon improves steel hardness. is 2.0 no maximum value While every care has been taken in preparation of the information,the company accepts no liability for any loss or damage either direct or consequential. SAE Grade 8- 150,000. and metric M6 through M100 nominal. Stainless steel-grade 13-8 can be heat treated in the following conditions: CONDITION A: Soak at 927C (1700F) and cool for 1 h below 16C (60F). Because of the properties and the characteristics that these fasteners have they are used in a large number of industrial applications such as marine industries, aerospace, automotive, defence, etc.
I came across a specific requirement of M6 Steel Screws from Mild Steel Grade 5.8 From the internet, I knew that 5 stands for the Tensile Ultimate Strength (UTS) in MPa divided by 100. ASTM A194 Grade 8 Nuts belong to the specification for high pressure and high temperature services. The steel mill was used in a dance scene in the 1984 film Footloose with Kevin Bacon. This is a medium carbon steel bolt specification. A variety of Grade 8 bolts are available from Lighting Bolt & Supply. Grade 9 structural bolts, also known as grade 9 hex cap screws, are one the strongest structural bolts that can be used today. Grade 8 bolt Gr 8 bolt capability in yield (stretch) = 130,000 lbs / in2 x .03349 in2 = 4354 lbs minimum High tensile Grade 8 bolt capability in tension (failure) = 150,000 lbs / in2 x .03349 in2 = 5024 lbs minimum Grade 8 hex bolts have 6 marks on the head. ASTM Standards.
(psi) 1 100,000 - Heat Treatment.
It has a fairly low thermal conductivity and a moderately high embodied energy among cast alloy steels. Steel can be broadly categorized into four groups based on their chemical compositions: Carbon Steels.
$24.56. The additions of chromium and molybdenum are why AISI 4140 is considered a . Tensile Strength Min. The Nominal tensile strength of a 10.9 bolt is calculated. Dia: M10 - M110. Heat treatment is also used to improve their mechanical characteristics. Properties shown are those of coarse 8-pitch thread heavy hex nuts. SAE J429 Grade 8 U bolts US $1000 . Dia: 1/2" - 4.0".
Heat treating the En 15048 Grade 8.8 leads to a change in the mechanical fasteners. So much for all the strength specs. . Length: 1/2" - 52". SAE threaded rods do not require permanent grade markings on the ends of the rods like many ASTM specifications do. Grade 2, Grade 5, Grade 8, and Alloy Steel.
China AISI 4140 Scm440 42CrMo4/1.7225 En19/709m40 Forging Steel Round Bar, Find details about China Steel Bar, Alloy Steel from AISI 4140 Scm440 42CrMo4/1.7225 En19/709m40 Forging Steel Round Bar - HUNAN QILU INDUSTRIAL CO., LTD. SCM440 reacts well in heat treatment and it is easy to process under heat treatment conditions.
The flange distributes pressure over the surface, eliminating the need for a washer. AISI 316 Stainless Steel: Specification and Datasheet. Used in automotive and related industries, these fasteners can be found in small quantities in automotive and home improvement stores. grade 8.8 hexagonal head bolts, at temperatures up to 800C. Grade 8 SAE Flat Washers are manufactured from High Strength Alloy Steel. ERW; outer diameter:21.3-660mm thickness:6-25mm. Grade 2, 5, and 8 are usually plated with a slightly blue-ish or yellow zinc coating, or are galvanized, to resist corrosion.
The Grade 8.8 Bolts, screws, and studs with specified property classes coarse thread and fine pitch thread. The Yield stress is therefore. Download equivalents as an Excel file. Grade 8 Steel Properties - manufacturer, factory, supplier from China. Alloy Steel: Properties, Processing . We use high carbon steel material and . The size of the nuts range from 2mm to 20mm and the diameters range from 4mm to 30mm. Standard. 3. - - - 10.9 Grade Fasteners TYPES OF STEEL CHEMICAL COMPOSITION (%) USED FOR HIGH TENSILE FASTENERS C Mn Si Cr S(Max)P(Max) B Mo Pb Ni AISI 1541 0.36 / 0.44 1.35 / 1.65 0.15 / 0.30 - 0.05 0.04 - - - - . An example using a hex bolt with property class 10.9. Panel Nuts (Pipe) Reversible Hex Lock Nut, 2-Way. Grade 8.8 Washer Size Inch. All America Threaded Products will dual certify to ASTM A354 BD and SAE J429 Grade 8. Tool Steels. For instance, the Class 8.8 Bolts have an increased hardness, ductility, yield strength, and impact resistance. Military Standards. In Fig. Advanced High Strength Steel: Nomenclature, Grades, and Applications. They are sometimes referred to as Allthread or Threaded Bar. With a minimum tensile strength of 150 ksi and a minimum yield of 130 ksi, Grade 8 has a higher tensile and yield strength than other steel grades such as Grade 5 and B7. Grade 8 basically just says they want a minimum strength, and could really care less about the material. will probably do the job though. Lower than grade 10.9 in terms of tensile strength, these high tensile grade 8.8 Stainless Steel Bolts are generally used in the automobile industry. ASTM A178 Grade C. ASTM A29 Grade 1034. blown240 . For information on 18-8 stainless steel material properties see our Material Grade Identification and Properties Chart. The Yield stress is therefore. It is commonly found in high strength automotive applications. 4, Fig. Class 10.9 is stronger than class 8.8. ASTM A1018. Its unique name came from a resort that once operated nearby on the shore of Utah Lake.. 18.8 stainless steel has superior corrosion resistance, (compared to the 400 series stainless) is generally non-magnetic and is hardenable only by . Mark's Standard Handbook for Mechanical Engineers lists Grade 8's as 150 ksi fasteners meaning the tensile strength is 150,000 lbs per square inch. Navstar Steel is a leading manufacturer and supplier of the Grade 8.8 Bolts in different types. Mechanical Properties of Metric Stainless Steel Per . Profile Page. EN Class 8.8 EN ISO 898-1 chemical Carbon, Silicon, Manganese, Phosphorus, Sulfur are called "Five Elements". Properties of 18.8 Stainless Steel. SAE J429 covers a number of other grades and grade variations not covered in this summary, including 4, 5.1, 5.2, 8.1, and 8.2. Grade 8.8 high tensile steel is often referred to as the structural grade for bolts.
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