Home > Alloy Steel > Alloy Steel Gr 8.8 Bolts
| Standard | : | ASTM A194 |
| Dimension | : | DIN, ASTM, BS and all International Standards |
| Size | : | M02 to M33 |
| Materials / Grades | : | Alloy Steel HT 8.8 |
| Length | : | UPTO 5 METERS |
| Type | : | Hex Bolt/ Hex Screw, Square Head Bolt, U Bolt, Carriage Bolt, Eye Bolt, T Bolt/ J Bolt/ L bolt, Flange Bolt, Coach Screw etc. |
| Grades | Size Range | PS [MPa] | YS (min) [MPa] | TS (min) [MPa] | Hardness [Rockwell] |
|---|---|---|---|---|---|
| Class 8.8 | Under M16 | 580 | 640 | 800 | |
| 17-72 | 600 | 660 | 830 | C23–34 |
| CLASS | MATERIAL AND TREATMENT | C | C | P | S | B | TEMPERING TEMP. [C] |
|---|---|---|---|---|---|---|---|
| MIN | MAX | MAX | MAX | MAX | |||
| 8.8 | CARBON STEEL WITH ADDITIVES (E.G. B, MN OR CR) QUENCHED AND TEMPERED | 0.15 (D) | 0.4 | 0.025 | 0.025 | 0.003 | 425 |
| CARBON STEEL QUENCHED AND TEMPERED | 0.25 | 0.55 | 0.035 | 0.025 |
At Sumakhsteel, we take pride in being the largest supplier and manufacturer in the USA, delivering advanced solutions for every piping requirement you have. With cutting-edge manufacturing facilities strategically positioned across the USA, we maintain an extensive stock of more than 25,000 tons of top-grade materials kept ready in inventory.
Reach out to us for a fast quote tailored to your needs.
We supply these Alloy Steel Gr 8.8 Bolts conforming to DIN, ISO, JIS or ANSI Standard.
High Strength: Grade 8.8 alloy steel bolts are recognized for their superior tensile strength, which makes them ideal for heavy-duty fastening tasks. They are capable of bearing substantial loads and deliver dependable performance under challenging conditions.
Cost: In spite of their outstanding performance qualities, alloy steel grade 8.8 bolts are generally economical when compared with bolts produced from other high-performance materials across many uses. Lacking this drawback, they cannot sacrifice quality or reliability. More affordable choices are on offer.
Versatility: These bolts are offered in numerous sizes and designs, which makes them adaptable for a wide range of uses in sectors like construction, automotive, manufacturing and infrastructure
Heat resistance: Alloy steel grade 8.8 bolts are able to retain their mechanical properties under high temperatures, which makes them well-suited for uses that call for heat resistance
Durability: Alloy steel bolts are highly durable and stand up to wear, corrosion and abrasion. This durability delivers longevity, cutting down how often replacement and maintenance are needed, which can be vital in critical applications.
Alloy Steel Gr 8.8 Bolts serve a wide range of uses across many sectors, led chiefly by the aerospace, railway, construction and automotive fields, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Construction: Category 8.8 bolts, used in bridges, highways and buildings, are common throughout the construction industry. They deliver the strength required to keep the structure firmly bound together.
Aerospace: Within the aerospace sector, which demands parts that are both light and durable, alloy steel grade 8.8 bolts are employed in aircraft assembly to fasten vital components like wings, fuselage and engine mounts
Railroad Industry: These bolts serve to fasten rails to sleepers or to attach railroad tracks and equipment, ensuring the stability and safety of railway systems
Automotive Industry: In the automotive industry, grade 8.8 bolts join vital components including engine parts, suspension systems and chassis structures. Their high tensile strength guarantees vehicle safety and reliability.
Machinery: These screws are applied in heavy machinery and equipment where secure connections are essential for safety and performance. They can endure the high stress and vibration levels commonly found in industrial applications.
Strength Requirements: Assess the thickness and tension requirements for the bolts used in your application. Grade 8.8 bolts offer high tensile strength, but confirm they can handle the anticipated loads without failing.
Composition: Even though alloy steel grade 8.8 bolts deliver excellent strength, make sure they are manufactured from top-quality materials that comply with industry standards and specifications. In addition, the quality of the alloy system should be verified for reliability and performance.
Head style: Pick the bolt head style according to your assembly needs. Frequently used head styles include hexagon heads (hexagon heads, socket heads, and countersunk heads. Go with a style that provides easy installation and the appearance you want.
Size and quantity: Opt for bolts with the correct size, length, and thread strength to guarantee proper fit and tightness. Consult technical standards or a professional to identify the suitable dimensions for your application.
Environmental Conditions: Think about where the bolts will be applied. Choose a bolt or coating with sufficient corrosion resistance that, over time, will encounter moisture, chemicals, high temperatures, or corrosive substances.
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