Stainless Steel 310 / 310S / 310H Bolts Supplier & Exporter
Aurum Overseas is a trusted Stainless Steel 310 Bolts Supplier, supplying premium quality Stainless Steel 310S & 310H Bolts to customers worldwide. These high-temperature resistant stainless steel bolting solutions are widely used in furnace equipment, heat treatment plants, petrochemical processing units, thermal processing systems, power generation facilities, refinery plants, and industrial engineering applications requiring excellent oxidation resistance and elevated temperature strength.
Among heat-resistant stainless steel grades, SS 310 Bolts are widely preferred because of their excellent resistance to oxidation, carburization, thermal fatigue, and corrosion at elevated temperatures. SS 310S Bolts, with lower carbon content, offer improved weldability and better resistance against sensitization during fabrication. For applications involving prolonged exposure to high operating temperatures, industries commonly specify SS 310H Bolts because of higher carbon content and improved creep resistance.
As an experienced Stainless Steel 310 Bolts Exporter, Aurum Overseas manufactures and exports high-performance stainless steel bolting solutions according to ASTM, ASME, DIN, ISO, JIS, ANSI, and international quality standards for demanding industrial applications globally.
SS 310 / 310S / 310H Stainless Steel Bolts – Product Overview
The 310 stainless steel family belongs to the austenitic heat-resistant stainless steel category and is specifically designed for high-temperature service applications. These grades provide superior oxidation resistance, good corrosion resistance, and exceptional thermal stability in environments where standard stainless steel grades may lose mechanical strength.
SS 310 Bolts provide excellent resistance to oxidation and thermal cycling in industrial applications operating at elevated temperatures. SS 310S Bolts, with reduced carbon content, are widely used in fabricated components and welded assemblies because they reduce carbide precipitation during welding. SS 310H Bolts are specifically developed for applications requiring improved creep strength and prolonged exposure to high-temperature service conditions.
Because of their high chromium and nickel content, these bolts are extensively used in furnaces, boilers, heat exchangers, thermal processing systems, incinerators, refinery equipment, petrochemical plants, kilns, and power generation systems operating under extreme temperature conditions.
Specifications of Stainless Steel 310 / 310S / 310H Bolts
| Specification | Details |
|---|---|
| Product | Stainless Steel 310 / 310S / 310H Bolts |
| Grades | SS 310, SS 310S, SS 310H |
| ASTM Standards | ASTM A193 / ASTM A194 |
| ASME Standards | ASME SA193 / SA194 |
| International Standards | DIN, ASTM, BS, ISO, ANSI, JIS |
| Bolt Size | M3 – M56 |
| Extended Size Range | M3 – M100 |
| Length | 3 mm – 200 mm |
| Washer Size | M3 – M56 |
| Nut Size | M3 – M56 |
| Machine Screws Size | M1.6 – M12 |
| Dimensions | DIN 931, DIN 933, DIN 934 |
| Thread Standard | ASME B1.1 / B1.13M |
| Certification | EN 10204 3.1 / MTC |
Mechanical Properties of SS 310, SS 310S & SS 310H Bolts
The difference between these grades primarily affects temperature resistance and long-term creep performance.
| Property | SS 310 | SS 310S | SS 310H |
|---|---|---|---|
| Tensile Strength | 515 MPa | 515 MPa | 520 MPa |
| Yield Strength | 205 MPa | 205 MPa | 210 MPa |
| Elongation | 40% | 40% | 40% |
| Hardness | 217 HB Max | 217 HB Max | 217 HB Max |
| Density | 7.9 g/cm³ | 7.9 g/cm³ | 7.9 g/cm³ |
| Service Temperature | High | High | Very High |
These mechanical properties ensure reliable performance under elevated temperature and thermal cycling conditions.
Chemical Composition of SS 310, 310S & 310H Stainless Steel Bolts
The primary difference between these grades lies in carbon content and temperature performance.
| Element | SS 310 | SS 310S | SS 310H |
|---|---|---|---|
| Chromium | 24 – 26% | 24 – 26% | 24 – 26% |
| Nickel | 19 – 22% | 19 – 22% | 19 – 22% |
| Carbon | 0.25 Max | 0.08 Max | 0.04 – 0.10 |
| Manganese | 2.0 Max | 2.0 Max | 2.0 Max |
| Silicon | 1.5 Max | 1.5 Max | 1.5 Max |
| Sulfur | 0.03 Max | 0.03 Max | 0.03 Max |
| Phosphorus | 0.045 Max | 0.045 Max | 0.045 Max |
| Iron | Balance | Balance | Balance |
The high chromium and nickel content provides excellent oxidation resistance at elevated temperatures.
Equivalent Grades of Stainless Steel 310 Series Bolts
International projects often reference equivalent material standards depending on regional engineering requirements.
| Standard | SS 310 | SS 310S | SS 310H |
|---|---|---|---|
| UNS | S31000 | S31008 | S31009 |
| ASTM | 310 | 310S | 310H |
| EN | 1.4845 | 1.4845 | 1.4845 |
| DIN | X8CrNi25-21 | X8CrNi25-21 | X15CrNi25-20 |
| JIS | SUS310 | SUS310S | SUS310H |
These equivalent designations help procurement teams align project specifications across different global markets.
Types of Stainless Steel 310 / 310S / 310H Bolts Available
These heat-resistant stainless steel grades are manufactured in multiple bolting configurations depending on industrial assembly requirements.
Bolt Type
| Bolt Type | Typical Applications |
|---|---|
| Hex Bolts | Furnace and thermal systems |
| Stud Bolts | Flange assemblies |
| Anchor Bolts | Structural installations |
| Heavy Hex Bolts | Pressure systems |
| U Bolts | Pipe support systems |
| Eye Bolts | Rigging applications |
| Socket Head Bolts | Precision engineering |
| Fully Threaded Bolts | Maximum engagement systems |
| Carriage Bolts | Structural assemblies |
| Custom Bolts | Project-specific manufacturing |
Available Thread Options
| Thread Type | Availability |
|---|---|
| UNC Threads | Available |
| UNF Threads | Available |
| Metric Threads | Available |
| BSW Threads | Available |
| BSF Threads | Available |
| Custom Thread Configurations | Available |
Custom dimensions and engineered fastening solutions are available according to customer drawings and technical specifications.
Stainless Steel 310 / 310S / 310H Bolts Suppliers in Europe for Furnace & Thermal Processing Applications
Europe has strong demand for SS 310, SS 310S, and SS 310H Bolts across furnace manufacturing, industrial heating systems, petrochemical plants, power generation facilities, and heat treatment industries. Their exceptional oxidation resistance and thermal stability make them ideal for applications operating under continuous high-temperature exposure.
Aurum Overseas supplies certified Stainless Steel 310 Series Bolts to Germany, France, Italy, Spain, and other European industrial markets with full inspection documentation and international quality certifications for high-temperature engineering projects.
Stainless Steel 310 / 310S / 310H Bolts Exporters in USA for Heat Treatment & Industrial Manufacturing Applications
The United States remains a major market for SS 310 Series Bolts because of large-scale demand from refinery plants, thermal processing systems, industrial furnace manufacturers, and heavy engineering sectors requiring reliable fastening systems capable of performing under elevated temperatures.
Aurum Overseas exports certified SS 310, SS 310S, and SS 310H Bolts throughout the USA with complete material traceability, third-party inspection support, and export packaging designed for industrial procurement requirements.
Stainless Steel 310 / 310S / 310H Bolts Suppliers in Gulf Countries for Refinery & Petrochemical Projects
The Gulf region generates significant demand for high-temperature stainless steel fastening systems due to refinery expansion, petrochemical processing plants, thermal systems, industrial heating equipment, and power generation infrastructure. SS 310 Series Bolts are widely specified for equipment operating under severe thermal and corrosive environments.
Aurum Overseas exports Stainless Steel 310, 310S, and 310H Bolts to UAE, Saudi Arabia, Qatar, Kuwait, Oman, and Bahrain with international shipping support, complete inspection certificates, and project-based supply capabilities.
Why Industrial Buyers Choose Aurum Overseas for Stainless Steel 310 Series Bolts
Aurum Overseas supplies premium stainless steel bolting solutions specifically engineered for demanding industrial environments involving elevated temperatures and corrosive service conditions. Our extensive export experience allows us to support both standard supply requirements and large-scale industrial procurement projects globally.
Industrial buyers choose us because of consistent product quality, international certifications, fast production capability, competitive pricing, technical support, and reliable export logistics designed for global industrial customers.
Why Choose Aurum Overseas
- Certified Material Test Reports
- Custom Manufacturing Support
- Third Party Inspection
- International Export Packaging
- Competitive Bulk Pricing
- Fast Production & Delivery
- Full Material Traceability
- Compliance with International Standards
Industries Using SS 310 / 310S / 310H Bolting Solutions
These high-temperature stainless steel grades are widely used across industries operating under severe heat exposure.
| Industry | Typical Applications |
|---|---|
| Furnace Manufacturing | High temperature systems |
| Petrochemical | Process equipment |
| Refineries | Thermal processing units |
| Heat Treatment Plants | Heating chambers |
| Power Generation | Boiler systems |
| Steel Manufacturing | Thermal equipment |
| Cement Plants | Kiln assemblies |
| Industrial Heating | Combustion systems |
| Chemical Processing | High temperature reactors |
| Heavy Engineering | Structural thermal systems |
Stainless Steel 310 / 310S / 310H Bolts Grade Comparison for High Temperature Applications
SS 310 Bolts are widely used for industrial applications requiring excellent oxidation resistance and dependable performance at elevated temperatures. SS 310S Bolts are preferred for fabricated and welded assemblies because lower carbon content improves weldability and reduces sensitization. SS 310H Bolts are commonly specified for prolonged high-temperature service where improved creep strength and thermal stability are critical.
For applications involving continuous thermal cycling and high-temperature pressure systems, industrial buyers frequently compare SS 321 Bolts due to their titanium stabilization and improved intergranular corrosion resistance. In applications requiring enhanced creep strength for heat exchangers, boilers, and thermal processing systems, engineers often evaluate SS 347 Bolts because of their niobium stabilization and superior high-temperature performance.
The final grade selection depends on operating temperature, thermal cycling conditions, fabrication requirements, corrosion exposure, and long-term service life expectations.
Frequently Asked Questions
1. What is Stainless Steel 310?
Stainless Steel 310 is a heat-resistant austenitic stainless steel grade containing high chromium and
nickel content. It provides excellent oxidation resistance and high-temperature strength for industrial
thermal applications.
2. What is UNS S31008?
UNS S31008 is the official designation for Stainless Steel 310S. It is preferred for fabricated and
welded components operating under elevated temperature service conditions.
3. What is UNS S31009?
UNS S31009 is the material designation for Stainless Steel 310H developed for applications involving
continuous exposure to extreme operating temperatures and pressure systems.
4. What is the difference between SS 310 and SS 310S Bolts?
The main difference is carbon content. SS 310S Bolts contain lower carbon which improves weldability and
minimizes carbide precipitation, while standard SS 310 Bolts are used for general heat-resistant
applications.
5. Do You Export Stainless Steel 310 Bolts to European Countries?
Yes. Aurum Overseas exports certified SS 310, SS 310S, and SS 310H Bolts to Germany, France, Italy,
Spain, Netherlands, Belgium, and other European industrial markets with complete inspection
documentation.
6. Can you supply Stainless Steel 310 Bolts for refinery and petrochemical projects?
Yes. We supply premium quality SS 310, SS 310S, and SS 310H Bolts to refineries, petrochemical plants,
and thermal processing facilities across the USA, Europe, UAE, Saudi Arabia, and other global markets
with full material traceability and inspection support.
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If you are sourcing high-quality stainless steel bolting solutions for high-temperature industrial applications, Aurum Overseas can support your exact project requirements with certified materials, custom sizes, international standards compliance, and reliable global delivery support.
Our team works closely with EPC contractors, industrial buyers, engineering companies, and procurement teams worldwide. Contact us today for technical assistance, pricing, bulk orders, or project-specific requirements.
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