20KH23N18 Stainless Steel Supplier, Manufacturer & Exporter in India
Russian Metals is a trusted supplier, manufacturer, exporter, and stockist of premium-quality 20KH23N18 Stainless Steel, 20Х23Н18 Stainless Steel, and heat resistant stainless steel products for furnace, thermal processing, petrochemical, power generation, and industrial engineering applications. We supply high-performance chromium nickel stainless steel manufactured according to GOST and international standards for superior oxidation resistance and high-temperature performance.
Product Overview of 20KH23N18 Stainless Steel
20KH23N18 Stainless Steel is a high temperature stainless steel widely used in industrial heating systems, furnace equipment, thermal processing plants, and heat-resistant engineering applications. This chromium nickel heat resistant steel offers exceptional oxidation resistance, thermal stability, and corrosion resistance at elevated temperatures.
Also known as AISI 310 stainless steel, SS 310 stainless steel, and EN 1.4841 stainless steel, this furnace resistant stainless steel performs efficiently in high-temperature industrial environments requiring reliable long-term durability. Russian Metals supplies premium 20KH23N18 stainless steel products in multiple forms and customized dimensions for industrial sectors worldwide.
- Heat resistant / high temperature stainless steel
- Chromium nickel alloy for oxidation resistance
- Superior thermal stability up to ~1050–1100°C
- Excellent furnace grade performance
- AISI 310 / EN 1.4841 equivalent
What is 20KH23N18 Stainless Steel?
20KH23N18 Stainless Steel is a Russian heat resistant stainless steel grade containing high chromium and nickel content for superior oxidation resistance and high-temperature corrosion resistance. The material is specially developed for thermal processing systems and industrial equipment operating under extreme temperatures.
20Х23Н18 Stainless Steel is equivalent to AISI 310 stainless steel andUNS S31000 equivalent grades. This furnace grade stainless steel is widely used in heat exchangers, kilns, industrial furnaces, thermal equipment, and high-temperature piping systems.
- Excellent oxidation resistance
- Superior heat resistance
- High temperature corrosion resistance
- Excellent weldability
- Reliable thermal stability
- Long service life in extreme temperatures
Why 20KH23N18 Stainless Steel Performs in High-Temperature Applications
This heat resistant stainless steel is designed for elevated temperature and thermal processing applications, maintains mechanical strength and stability under extreme heat conditions, contains high chromium and nickel for enhanced corrosion and oxidation resistance, is suitable for furnace components and industrial heating systems, provides superior protection against scaling and oxidation at high temperatures, and supports efficient welding and fabrication in industrial applications.
- High-temperature strength & stability
- Excellent oxidation resistance up to ~1050–1100°C (service-dependent)
- Good corrosion resistance in many hot gases and mildly aggressive media
- Austenitic structure → non-magnetic in annealed state, work-hardening on cold work
- Good fabrication & weldability (use low-heat input, austenitic fillers; PWHT generally not required)
- Room-temp tensile strength: ≥515 MPa; yield: ≥205 MPa; elongation: ≥35–40%
- Hardness: ~170–180 HB (annealed)
- Density: ~7.9–7.95 g/cm³ | E-modulus: ~195 GPa
- Thermal expansion (20–1000°C): ~15.5–19 ×10⁻⁶/K
- Electrical resistivity (20°C): ~0.85–1.05 Ω·mm²/m
20KH23N18 Stainless Steel Supply Range
Russian Metals supplies 20KH23N18 Heat Resistant Stainless Steel in multiple forms for furnace, thermal processing, and high-temperature applications.
Variants of 20KH23N18 Stainless Steel
Russian Metals supplies multiple variants and customized dimensions of 20KH23N18 stainless steel products
Advantages of 20KH23N18 Stainless Steel
Engineered for high-temperature and thermal processing applications where oxidation resistance and thermal stability are critical.
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Superior high temperature performance maintaining strength and durability under continuous thermal exposure
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Excellent oxidation resistance protecting industrial components from scaling and oxidation damage
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Reliable corrosion resistance suitable for corrosive high-temperature industrial environments
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Long service life providing dependable industrial performance with reduced maintenance requirements
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Excellent fabrication performance supporting welding, forming, and industrial manufacturing operations
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Austenitic structure offering non-magnetic properties in annealed state and work-hardening capability
Where 20KH23N18 Stainless Steel Is Used
From industrial furnaces to heat exchangers, 20KH23N18 stainless steel delivers reliable high-temperature performance.
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Industrial furnaces and thermal processing plants
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Heat exchangers and high-temperature piping systems
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Petrochemical industry and power generation equipment
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Kilns, burners, and furnace components
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Industrial heating systems and oil & gas industry
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Chemical processing plants and aerospace thermal systems
Equivalent / Related Grades
AISI 310/310S, EN 1.4841, X15CrNiSi25-21
CIS analogs used in market listings: 20X25H20C2 (20Х25Н20С2), 10X23N18 (10Х23Н18) (close relatives for sheet/plate supply)
Technical Specifications of 20KH23N18 Stainless Steel
Complete technical reference for engineers, buyers, and quality assurance teams.
Product Specifications of 20KH23N18 Stainless Steel
Product details, available forms, usage areas, and supply information.
| Specification | Details |
|---|---|
| Product Name | 20KH23N18 Stainless Steel (20Х23Н18, AISI 310, SS 310) |
| Brand | Russian Metals |
| Material Type | Stainless Steel / Heat Resistant Stainless Steel |
| Grade | 20KH23N18, 20Х23Н18, AISI 310, SS 310, UNS S31000, EN 1.4841 |
| Steel Classification | Heat resistant stainless steel / Chromium nickel stainless steel |
| Available Forms | Round bar, rod, plate, sheet, pipe, tube, coil, seamless pipe, welded pipe, flat bar |
| Common Usage | Industrial furnaces, thermal processing, heat exchangers, petrochemical, power generation |
| Surface Finish | Bright, polished, mill finish as required |
| Shape Options | Round, flat, coil, furnace grade components |
| Size Options | Custom sizes available as per requirement |
| Standard | GOST / ASTM 310 / International stainless steel standards |
| Supply Type | Supplier, manufacturer, exporter and stockist |
| Price | 20KH23N18 stainless steel price available on request |
| Customization | Available as per drawings, dimensions and application needs |
Chemical & Mechanical Properties of 20KH23N18 Stainless Steel (20Х23Н18)
Certified composition and performance metrics for 20KH23N18 heat resistant stainless steel according to GOST and international standards.
Characteristics of 20KH23N18 Stainless Steel
| Property | Value |
|---|---|
| Grade | 20KH23N18 (20Х23Н18) - Heat Resistant Stainless Steel |
| Classification | Chromium nickel stainless steel / AISI 310 equivalent |
| Designation | Furnace grade and high temperature stainless steel |
Chemical Composition in % for Grade 20KH23N18 (20Х23Н18)
| C | Si | Mn | Ni | S | P | Cr |
|---|---|---|---|---|---|---|
| max 0.2 | max 1 | max 2 | 17 - 20 | max 0.02 | max 0.035 | 22 - 25 |
Mechanical Properties at 20°C for Grade 20KH23N18 (20Х23Н18)
| Assortment | Dimension (mm) | Direct. | σB (MPa) | σT (MPa) | δ5 (%) | ψ (%) | KCU (kJ/m²) | Heat treatment |
|---|---|---|---|---|---|---|---|---|
| Pipe | Ø 212 x 60 | longitudinal | 500 | 200 | 35 | 50 | - | Quenching 1100 - 1150°C, air |
| Bar, GOST 5949-75 | - | longitudinal | 490 | 196 | 35 | 50 | - | Quenching 1100 - 1150°C, air |
| Sheet trick, GOST 7350-77 | Ø 25 | - | 540 | 265 | 35 | - | - | Quenching 1030 - 1130°C, Cooling water |
| Sheet thin, GOST 5582-75 | - | - | 510 | 245 | 35 | - | - | Quenching 1080 - 1150°C, Cooling water |
| Sheet thin, GOST 4986-79 | to 600 | - | 570 | - | 19-38 | - | - | Quenching 1050 - 1080°C, Cooling air |
Technological Properties for Grade 20KH23N18 (20Х23Н18)
| Property | Value |
|---|---|
| Weldability | limited weldability (use low-heat input, austenitic fillers; PWHT generally not required) |
Physical Properties for Grade 20KH23N18 (20Х23Н18)
| T (°C) | E × 10⁻⁵ (MPa) | α × 10⁶ (1/°C) | λ (W/m·°C) | ρ (kg/m³) | C (J/kg·°C) | R × 10⁹ (Ω·m) |
|---|---|---|---|---|---|---|
| 20 | 2.04 | - | - | 7900 | - | 1000 |
| 100 | - | 14.9 | 15.9 | - | 538 | - |
| 200 | - | 15.7 | - | - | - | - |
| 300 | 1.86 | 16.6 | 18.8 | - | - | - |
| 400 | 1.8 | 17.3 | - | 7760 | - | - |
| 500 | 1.73 | 17.5 | - | 7720 | - | - |
| 600 | 1.63 | 17.85 | 21.7 | 7670 | - | - |
| 700 | 1.53 | 17.85 | - | 7620 | - | - |
| 800 | 1.44 | 13 | - | - | - | - |
| 900 | - | - | - | 7540 | - | - |
Equivalent Steels for Grade 20KH23N18 (20Х23Н18)
Indicated both exact and nearest equivalents
| USA | Germany DIN,WNr | Japan JIS | France AFNOR | England BS | European EN | Italy UNI | Belgium NBN | Spain UNE | China GB | Sweden SS | Bulgaria BDS | Hungary MSZ | Poland PN | Romania STAS | Czechia CSN | Australia AS | South Korea KS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| USA | Germany DIN,WNr | Japan JIS | France AFNOR | England BS | European EN | Italy UNI | Belgium NBN | Spain UNE | China GB | Sweden SS | Bulgaria BDS | Hungary MSZ | Poland PN | Romania STAS | Czechia CSN | Australia AS | South Korea KS |
| 310 310S 314 S31000 S31008 S31400 | 1.4845 CrNi25-20 X12CrNi25-21 X15CrNiSi25-20 X16CrNi25-20 X8CrNi25-21 X8CrNiSi25-21 | SUH310 SUS310 SUS310S | Z12CN25-20 Z12CN26-21 Z8CN25-20 | 310S16 310S24 310S25 310S31 X8CrNi25-21 | 1.4843 1.4845 X8CrNi25-21 | X22CrNi25-20 X6CrNi25-20 X6CrNi25-21 X6CrNi25-21KG | F.331 X8CrNi25-21 | 1Cr25Ni20Si2 | 2361 7RE10AE 8RE10R | Ch23N18 | H9 | A45.47 C22E | G205 H23N18 H25N20S2 | 12NiCr250 | 17255 | 310S | STS310S |
Types of Delivery for Grade 20KH23N18 (20Х23Н18)
| Code | Description |
|---|---|
| В22 | Graded and shaped rolling |
| B23 | Sheets and Strips |
| В32 | Graded and shaped rolling |
| B33 | Sheets and Strips |
| B34 | Ribbons |
Control & Diagnostics of 20KH23N18 Stainless Steel
Every batch is tested to meet international and GOST industry standards.
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Chemical composition testing
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Mechanical properties testing
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Corrosion resistance testing
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High-temperature performance testing
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Ultrasonic inspection
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Surface quality inspection
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Weldability verification
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Material traceability certification
Each product is inspected to ensure compliance with industrial and GOST quality standards.
Trusted Partner for 20KH23N18 Stainless Steel
Premium quality heat resistant stainless steel materials with global supply capability from India.
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Trusted Russian stainless steel supplier for high-temperature and furnace applications
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Wide product availability in bars, rods, plates, sheets, coils, pipes, tubes, and flat bars
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Strict quality standards with inspection according to international specifications
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Competitive industrial pricing for bulk and custom requirements
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Custom manufacturing support for custom sizes and furnace grade components
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Reliable supply and delivery with efficient logistics support
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Strong technical engineering expertise
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Fast global delivery from India
Order 20KH23N18 Stainless Steel from Russian Metals
Russian Metals is your trusted supplier of 20KH23N18 Stainless Steel, 20Х23Н18 Stainless Steel, and SS 310 stainless steel products for industrial furnace, thermal processing, and engineering applications. We provide premium heat resistant stainless steel materials with excellent oxidation resistance, reliable high-temperature performance, and customized sizing options.
* 20KH23N18 (20Х23Н18, AISI 310, UNS S31000, EN 1.4841) - Heat resistant stainless steel: chemical composition, mechanical properties, physical properties, and equivalent grades for industrial furnaces, thermal processing plants, heat exchangers, and high-temperature industrial applications.
Contact Russian Metals today to order premium 20KH23N18 round bars, plates, sheets, coils, rods, pipes, tubes, seamless pipes, welded pipes, and furnace resistant stainless steel products for your industrial requirements.