18KHG Steel Supplier, Manufacturer & Exporter in India
Russian Metals is a trusted supplier and exporter of premium-quality 18KHG Steel, 18ХГ Steel, and Russian alloy steel products for engineering, automotive, industrial machinery, and heavy structural applications. We provide high-performance chromium manganese steel manufactured according to GOST standards for superior durability, wear resistance, and heat treatment performance.
Product Overview of 18KHG Steel
18KHG Steel is a high-performance carburizing alloy steel widely used in machine structural steel and engineering applications. This chromium manganese steel is known for its excellent hardness, toughness, wear resistance, and case hardening capability.
Also known as 18KhG steel and 18HG steel, this case hardening steel grade offers outstanding mechanical properties after carburizing and heat treatment processes, making it ideal for high-load industrial components. Russian Metals supplies premium GOST 18KHG steel products in multiple dimensions and customized specifications for industrial and engineering sectors.
- Carburizing / case hardening steel
- Chromium manganese alloy composition
- Excellent surface hardness and core toughness
- Superior wear resistance
- Heat treatable for demanding applications
What is 18KHG Steel?
18KHG Steel is a Russian structural alloy steel developed for carburizing and case hardening applications requiring high surface hardness and core toughness. The material contains chromium and manganese elements that improve hardenability, strength, wear resistance, and fatigue performance.
18ХГ Steel is widely used in gears, shafts, machine structural systems, industrial machinery, and engineering components subjected to heavy mechanical loads. This heat treatable alloy steel performs exceptionally well after carburizing, quenching, and tempering treatment.
- High surface hardness
- Excellent wear resistance
- Superior core toughness
- Reliable fatigue strength
- Excellent heat treatment performance
- Good machinability
Why 18KHG Steel Performs in Heavy-Duty Applications
This carburizing steel grade is designed for carburizing applications requiring hardened surfaces and durable cores, provides excellent case hardening performance for heavy-duty industrial components, contains chromium and manganese for improved toughness and wear resistance, performs efficiently during quenching and tempering operations, offers reliable mechanical strength for industrial machinery applications, and is suitable for engineering systems and high-load machine components.
18KHG Steel Supply Range
Russian Metals supplies 18KHG Carburizing Alloy Steel in multiple forms for engineering, automotive, and industrial applications.
Variants of 18KHG Steel
Russian Metals supplies multiple variants and customized dimensions of 18KHG alloy steel products
Advantages of 18KHG Steel
Engineered for carburizing applications where high surface hardness, wear resistance, and core toughness are critical.
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Excellent wear resistance providing superior durability for high-load and high-friction industrial components
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High surface hardness ideal for carburized machine parts requiring hardened surfaces
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Superior core toughness maintaining excellent toughness and impact resistance after heat treatment
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Long service life offering reliable industrial performance with reduced maintenance requirements
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Cost-effective engineering solution suitable for demanding industrial applications requiring durable alloy steel materials
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Reliable fatigue strength for heavy-duty industrial operations
Where 18KHG Steel Is Used
From gears and shafts to industrial machinery, 18KHG steel delivers reliable case hardening performance.
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Industrial machinery and automotive engineering
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Gears and shafts
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Machine structural components and heavy engineering systems
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Industrial fasteners and mechanical engineering equipment
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Construction machinery and manufacturing equipment
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High-load industrial systems and power transmission components
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Engineering fabrication applications
Technical Specifications of 18KHG Steel
Complete technical reference for engineers, buyers, and quality assurance teams.
Product Specifications of 18KHG Steel
Product details, available forms, usage areas, and supply information.
| Specification | Details |
|---|---|
| Product Name | 18KHG Steel (18ХГ, 18KhG, 18HG) |
| Brand | Russian Metals |
| Material Type | Alloy Steel / Structural Steel |
| Grade | 18KHG, 18ХГ, 18KhG, 18HG, GOST 18KHG steel |
| Steel Classification | Russian alloy steel / Chromium manganese steel / Carburizing steel grade |
| Available Forms | Round bar, rod, plate, sheet, pipe, tube, forged bar, billet, flat bar, seamless pipe |
| Common Usage | Industrial machinery, automotive engineering, gears, shafts, machine structural components, heavy engineering |
| Surface Finish | Bright, polished, mill finish as required |
| Shape Options | Round, flat, forged, custom engineering components |
| Size Options | Custom sizes available as per requirement |
| Heat Treatment Condition | Annealed / Carburized / Quenched and tempered |
| Standard | GOST / Russian alloy steel standards |
| Supply Type | Supplier, manufacturer, exporter and stockist |
| Price | 18KHG steel price available on request |
| Customization | Available as per drawings, dimensions and application needs |
Chemical & Mechanical Properties of 18KHG Steel
Certified composition and performance metrics for 18KHG carburizing alloy steel according to GOST and international standards.
Characteristics of 18KHG Steel
| Property | Value |
|---|---|
| Grade | 18KHG (18ХГ) - Carburizing Alloy Steel |
| Classification | Chromium manganese steel / Case hardening steel |
| Designation | Engineering and industrial machinery steel |
Temperature of Critical Points for Grade 18KHG (18ХГ)
| Ac1 (°C) | Ac3 / Acm (°C) |
|---|---|
| 765 | 840 |
Mechanical Properties at 20°C for Grade 18KHG (18ХГ)
| Assortment | Dimension (mm) | Direct. | σB (MPa) | σT (MPa) | δ5 (%) | ψ (%) | KCU (kJ/m²) | Heat treatment |
|---|---|---|---|---|---|---|---|---|
| Bar, GOST 4543-71 | Ø 15 | - | 880 | 735 | 10 | 40 | - | Quenching 880°C, oil, Drawing 200°C, air |
Equivalent Steels for Grade 18KHG (18ХГ)
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 | Finland ONORM | Australia SNV | 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 | Finland ONORM | Australia SNV | South Korea KS |
| 5115 5120 G51150 G51200 H51200 | 1.7131 1.7147 16MnCr5 16MnCrS5 20MnCr5 20MnCrS5 | SMnC420 SMnC420H | 16MC4 16MC5 16MnCr5RR 20MC5 | 16MnCr5 20MnCr5 527M17 527M20 590H17 590M17 | 1.7131 1.7147 16MnCr5 16MnCr5KD 20MnCr5 20MnCrB5 | 16MnCr5 20MnCr5 | 16MnCr5 | 16MnCr5 20MnCr5 F.1516 | 15CrMn 20CrMn | 2127 2173 | 16ChG 18ChG | BC3 BC3Z | 15HG 16HG 18HGT 20HG | 17MnCr10 18MnCr10q 18MnCr11 20MnCr12 | 14220 14221 14222 14223 | 20MnCr5 | 5120 5120H | SMnC420H |
Control & Diagnostics of 18KHG 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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Hardness testing
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Ultrasonic inspection
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Surface quality inspection
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Dimensional verification
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Heat treatment analysis
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Material traceability certification
Each product is inspected to ensure compliance with industrial and GOST quality standards.
Trusted Partner for 18KHG Steel
Premium quality carburizing alloy steel materials with global supply capability from India.
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Trusted Russian alloy steel supplier for engineering and industrial sectors
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Wide product availability in bars, rods, plates, sheets, pipes, tubes, billets, and forged forms
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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 engineering 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 18KHG Steel from Russian Metals
Russian Metals is your trusted supplier of 18KHG Steel, 18ХГ Steel, and chromium manganese steel products for engineering, automotive, and industrial applications. We provide premium Russian alloy steel materials with excellent wear resistance, reliable heat treatment performance, and customized sizing options.
* 18KHG (18ХГ, 18KhG, 18HG) - Carburizing chromium manganese alloy steel: chemical composition, mechanical properties, critical points, and equivalent grades for gears, shafts, industrial machinery, and heavy engineering applications.
Contact Russian Metals today to order premium 18KHG round bars, plates, sheets, rods, pipes, tubes, forged bars, billets, and carburizing alloy steel products for your industrial requirements.