Home > Alloy Steel > Alloy Steel Grade 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 Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically situated across New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-grade materials kept ready in stock.
Reach out to us to receive a fast quote for your requirement.
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 strong tensile capacity, which makes them ideal for heavy-duty fastening tasks. They can handle substantial loads and deliver dependable results under demanding conditions.
Cost: Even with their outstanding performance qualities, alloy steel grade 8.8 bolts remain economical when compared to bolts produced from other high-performance materials across many uses. Without this drawback, they cannot sacrifice quality or dependability. More affordable alternatives exist.
Versatility: These bolts are available in numerous sizes and designs, giving them flexibility for a wide range of uses in sectors like construction, automotive, manufacturing and infrastructure
Heat resistance: Alloy steel grade 8.8 bolts can hold onto their mechanical properties at elevated temperatures, which makes them fit for uses where heat resistance is needed
Durability: Alloy steel bolts are highly durable and resistant to wear, corrosion and abrasion. This durability delivers longevity, cutting down on how often replacement and maintenance are needed, which can matter greatly in critical applications.
Alloy Steel Gr 8.8 Bolts find uses that are as varied as the sectors they cater to, led mainly 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 commonplace throughout the construction industry. They deliver the strength required to keep a structure properly bound together.
Aerospace: Within the aerospace sector, which demands components that are both light and hard-wearing, alloy steel grade 8.8 bolts are used in aircraft assembly to fasten essential parts like wings, fuselage and engine mounts
Railroad Industry: These bolts fasten rails to sleepers, or railroad tracks and equipment, safeguarding the stability and safety of railway systems
Automotive Industry: In the automotive field, grade 8.8 bolts join vital parts such as engine components, suspension systems and chassis structures. Their high tensile strength secures vehicle safety and reliability.
Machinery: These screws serve in heavy machinery and equipment, where firm connections are essential to safety and performance. They can endure the high levels of stress and vibration commonly found in industrial settings.
Strength Requirements: Assess the required thickness and tension of the bolts for your specific use. Grade 8.8 bolts offer strong tensile strength, but confirm they can handle the anticipated loads without breaking.
Composition: While alloy steel grade 8.8 bolts deliver excellent strength, verify that they are manufactured from top-grade materials meeting industry standards and specifications. In addition, the quality of the alloy system should be examined for dependability and performance.
Head style: Pick the bolt head style according to your assembly needs. Widely used head styles include hexagon heads (hexagon heads, socket heads, and countersunk heads. Opt for a style that provides simple installation and the appearance you want.
Size and quantity: Pick bolts with the correct size, length, and thread strength to guarantee fit and tightness. Consult technical standards or seek professional advice to identify the suitable dimensions for your application.
Environmental Conditions: Think about where the bolts are going to be used. Pick a bolt or coating with sufficient corrosion resistance that, over time, will face exposure to moisture, chemicals, high temperatures, or corrosive materials.
Mail: sales@koasteel.nz
