20 Steel Supplier, Manufacturer & Exporter in India
Russian Metals is a trusted supplier and exporter of premium-quality 20 Steel, Сталь 20, and Russian carbon steel products for engineering, construction, industrial machinery, pressure vessel, and piping applications. We supply high-performance structural carbon steel manufactured according to GOST standards for superior weldability, durability, and mechanical performance.
Product Overview of 20 Steel
20 Steel is a high-quality low carbon steel widely used in industrial fabrication, engineering structures, seamless pipe manufacturing, and machine structural systems. This weldable carbon steel offers excellent toughness, ductility, machinability, and reliable mechanical properties.
Also known as steel grade 20 and GOST 20 steel, this mild steel grade 20 is commonly used in pressure vessels, industrial piping, and engineering applications requiring excellent fabrication and welding performance. Russian Metals supplies premium carbon steel grade 20 products in multiple dimensions and customized specifications for industrial sectors worldwide.
- Low carbon structural steel
- Excellent weldability and machinability
- High ductility and toughness
- Pressure vessel grade material
- Seamless pipe steel grade
What is 20 Steel?
20 Steel is a Russian structural carbon steel developed for engineering and industrial applications requiring excellent weldability, toughness, and machining performance. The material belongs to the low carbon steel category and is widely used in industrial systems and structural fabrication.
Сталь 20 is commonly used for seamless pipes, pressure vessel components, machine structural steel parts, and industrial engineering systems operating under moderate mechanical loads.
- Excellent weldability
- Good machinability
- Reliable mechanical strength
- High ductility
- Good toughness
- Superior fabrication performance
Why 20 Steel Performs in Industrial Applications
This structural carbon steel provides reliable strength and stability for industrial and engineering applications, offers excellent weldability, machinability, and fabrication performance as a low carbon steel, is suitable for welding and industrial fabrication processes, is widely used in pressure vessel and piping applications, is ideal for machine parts and engineering structural systems, and is manufactured according to GOST quality standards for reliable industrial performance.
20 Steel Supply Range
Russian Metals supplies 20 Carbon Steel in multiple forms for industrial, engineering, pressure vessel, and piping applications.
Variants of 20 Steel
Russian Metals supplies multiple variants and customized dimensions of 20 steel products
Advantages of 20 Steel
Engineered for industrial and engineering applications where weldability, machinability, and durability are critical.
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Excellent weldability supporting efficient welding and fabrication in industrial projects
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Good mechanical properties providing reliable strength, toughness, and ductility
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Superior machinability ideal for machining and manufacturing industrial components
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Long service life offering dependable industrial performance with reduced maintenance requirements
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Cost-effective industrial material suitable for engineering applications requiring durable carbon steel solutions
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High ductility for superior fabrication performance
Where 20 Steel Is Used
From pressure vessels to industrial machinery, 20 steel delivers reliable performance.
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Industrial machinery and pressure vessels
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Oil and gas pipelines and industrial piping systems
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Structural engineering and machine structural components
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Manufacturing equipment and construction engineering
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Seamless pipe manufacturing and mechanical engineering systems
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Engineering fabrication applications and heavy industrial systems
Technical Specifications of 20 Steel
Complete technical reference for engineers, buyers, and quality assurance teams.
Product Specifications of 20 Steel
Product details, available forms, usage areas, and supply information.
| Specification | Details |
|---|---|
| Product Name | 20 Steel (Сталь 20, Steel grade 20, GOST 20 steel) |
| Brand | Russian Metals |
| Material Type | Carbon Steel / Structural Steel |
| Grade | 20, Сталь 20, GOST 20 steel, Steel grade 20 |
| Steel Classification | Low carbon steel / Structural carbon steel / Mild steel grade 20 |
| Available Forms | Round bar, rod, plate, sheet, pipe, tube, seamless pipe, forged bar, billet, flat bar |
| Common Usage | Industrial machinery, pressure vessels, oil & gas pipelines, piping systems, seamless pipe manufacturing |
| 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 / Normalized / Heat treated |
| Standard | GOST / Russian carbon steel standards |
| Supply Type | Supplier, manufacturer, exporter and stockist |
| Price | 20 steel price available on request |
| Customization | Available as per drawings, dimensions and application needs |
Forms, Sizes & Ready Stock 20 Steel Round Bars
Russian Metals maintains ready stock of 20 steel in multiple dimensions and forms
Available Forms & Dimensions
| Product Type | Description |
|---|---|
| Round Bars | 12–250 mm dia (black/peeled/ground) — Ready stock |
| Forgings | step shafts, rings, blocks |
| Plates/Sheets | normalized/annealed |
| Billets | for closed-die and open-die forging |
| Custom cuts | saw-cut, turning, facing, chamfering, rough-machined blanks |
Chemical & Mechanical Properties of 20 Steel (Сталь 20)
Certified composition and performance metrics for 20 carbon steel according to GOST and international standards.
Characteristics of 20 Steel
| Property | Value |
|---|---|
| Grade | 20 (Сталь 20) - Low Carbon Structural Steel |
| Classification | Carbon steel / Mild steel grade |
| Designation | Engineering and industrial carbon steel |
Chemical Composition in % for Grade 20 (20)
| C | Si | Mn | Ni | S | P | Cr | Cu | As |
|---|---|---|---|---|---|---|---|---|
| 0.17 - 0.24 | 0.17 - 0.37 | 0.35 - 0.65 | max 0.3 | max 0.04 | max 0.035 | max 0.25 | max 0.3 | max 0.08 |
Temperature of Critical Points for Grade 20 (20)
| Ac1 (°C) | Ac3 / Acm (°C) | Ar3 / Arcm (°C) | Ar1 (°C) |
|---|---|---|---|
| 724 | 845 | 815 | 682 |
Mechanical Properties at 20°C for Grade 20 (20)
UTS: up to ~780 MPa (quenched & tempered small dia. bars) | YS (0.2%): ~430–635 MPa (condition-dependent) | Elongation (A5): ~11–25% | Hardness: ~163–229 HB (annealed to cold-worked ranges)
| Assortment | Dimension (mm) | Direct. | σB (MPa) | σT (MPa) | δ5 (%) | ψ (%) | KCU (kJ/m²) | Heat treatment |
|---|---|---|---|---|---|---|---|---|
| Sheet heat-treatment, GOST 4041-71 | 4 - 14 | - | 340-490 | - | 35 | - | - | - |
| Pipe hot strain, GOST 550-75 | - | - | 510 | 255 | 8 | - | - | - |
| Pipe, GOST 8731-87 | - | - | 370 | 245 | 21 | 55 | - | Normalizing |
| Pipe, GOST 10705-80 | - | - | 372 | 225 | 225 | 45 | - | - |
| Rolled stock, GOST 1050-88 | to 80 | - | 410 | 245 | 23 | 55 | - | - |
| Rolled stock annealed, GOST 1050-88 | - | - | 490 | - | 20 | - | - | - |
| Rolled stock annealed, GOST 1050-88 | - | - | 390 | - | - | - | - | - |
| Band annealed, GOST 2284-79 | - | - | 310-540 | - | - | - | - | - |
| Band cold-worked, GOST 2284-79 | - | - | 490-830 | - | - | - | - | - |
Brinell Hardness for 20 (20)
| Condition / Standard | HB 10⁻¹ (MPa) |
|---|---|
| Annealing, GOST 1050-88 | 163 |
| Cold-drawn, cold-worked, GOST 1050-88 | 207 |
| Sheet, GOST 4041-71 | 127 |
| Pipe, GOST 550-75 | 156 |
| Pipe, GOST 8731-87 | 156 |
| Sheet trick, GOST 1577-93 | 156 |
Heat Treatment & Processing for 20 Steel
| Process | Purpose / Recommendation |
|---|---|
| Normalize / Anneal | for machinability & dimensional stability |
| Quench & Temper | target mechanical properties per drawing |
| Carburize / Nitrocarburize / Nitriding | high surface hardness and wear resistance |
| Welding | preheat recommended for thicker sections; controlled cooling |
Control & Diagnostics of 20 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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Weldability testing
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Material traceability certification
Each product is inspected to ensure compliance with industrial and GOST quality standards.
Trusted Partner for 20 Steel
Premium quality carbon steel materials with global supply capability from India.
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Trusted Russian carbon steel supplier for engineering and industrial sectors
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Wide product availability in bars, rods, plates, sheets, pipes, tubes, billets, and seamless pipe 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 20 Steel from Russian Metals
Russian Metals is your trusted supplier of 20 Steel, Сталь 20, and structural carbon steel products for industrial, engineering, and pressure vessel applications. We provide premium Russian carbon steel materials with excellent weldability, reliable mechanical properties, and customized sizing options.
* 20 (Сталь 20) - Low carbon structural steel: chemical composition, mechanical properties, critical points, and heat treatment guidance for pressure vessels, industrial piping, seamless pipes, and engineering applications.
Contact Russian Metals today to order premium 20 steel round bars, plates, sheets, rods, pipes, tubes, seamless pipes, billets, and industrial carbon steel products for your project requirements.