Home > Alloy Steel >Alloy Steel Grade 12.9 Bolt
| Standard | : | ASTM A194 |
| Dimension | : | DIN, ASTM, BS and all International Standards |
| Size | : | M02 to M33 |
| Materials / Grades | : | Alloy Steel HT 12.9 |
| 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 12.9 | 5–100 | 830 | 940 | 1040 | C33–39 |
| Carbon Steel 12.9 | C | P | S | B |
|---|---|---|---|---|
| 0.20-0.55 | 0.025 | 0.025 | 0.003 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering innovative solutions for every one of your piping requirements. With advanced production facilities strategically positioned throughout New Zealand, we maintain an extensive stockpile of more than 25,000 tons of top-grade materials kept ready in stock.
Reach out to us for a fast quote tailored to your needs.
We supply these Alloy Steel Gr 12.9 Bolts in accordance with DIN, ISO, JIS or ANSI Standard.
High Strength:Grade 12.9 bolts are recognized for their outstanding strength, which makes them well-suited to heavy load-bearing applications. They are frequently employed in high-stress settings where ordinary bolts might deform or give way.
Excellent toughness:Alloy steel grade 12.9 bolts display remarkable toughness, enabling them to endure shock and fatigue without fracturing. This quality matters wherever dynamic loads are frequent.
Water resistance:Alloy steel grade 12.9 bolts are frequently coated or treated to boost their resistance to corrosion. This renders them appropriate for outdoor use or in demanding environments where contact with water, chemicals, or other corrosive substances is a concern.
Heat resistance:These fibres can retain their mechanical properties across a range of temperatures. This trait is significant wherever temperature variations take place, as in automotive, aerospace, and industrial machinery.
Durability:Owing to their considerable strength and hardness, grade 12.9 bolts are exceptionally durable and last far longer than lower-grade bolts. This longevity removes the need for regular replacements and cuts down on time and maintenance expenses.
Alloy Steel Gr 12.9 Bolts find uses across an extensive range of sectors, led chiefly by the aerospace, railway, construction and automotive industries, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Automotive Industry: Grade 12.9 bolts are frequently found in engine assemblies, suspension systems, chassis and other vital automotive parts where high tensile strength and resistant tensile strength are needed
Structural Engineering: Used in structural engineering projects like bridges, buildings and infrastructure that deliver strength and stability under heavy loads and difficult conditions
Oil and Gas Sector: Class 12.9 bolts serve in oil rigs, pipelines and refineries, where they need to endure harsh environments, high pressures and corrosive weather
Aerospace and Security: These bolts are used to protect critical structures, aircraft components and military vehicles in the aerospace and security sectors where light weight and high strength are demanded
Heavy machinery: Employed in producing heavy machinery and equipment, including construction machinery, mining machinery and agricultural machinery, where durable and reliable
Strength Requirements: Grade 12.9 bolts are recognized for their strong tensile capacity. Work out the maximum thickness and tension your bolts will face in your application so you can confirm that Grade 12.9 bolts are the right choice.
Thread Type and Size: Pick a bolt with a thread type that suits your needs (for instance, coarse or fine) and a size matched to your application so it fits properly and stays consistent
Heat Resistance: Confirm that the bolts can handle the heat present in your application without losing their mechanical properties. Grade 12.9 bolts usually work well in high-temperature settings, but verify that they satisfy your particular temperature needs.
Corrosion Resistance: Think about the environment where the bolts will operate. If they must hold water, chemicals, or other corrosive materials, choose a bolt with suitable corrosion resistance, such as a cover or a coating built to withstand corrosion.
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