Stainless steel 1.4938 / AISI 304H / 08Х18Н10

Stainless Steel 1.4938 / AISI 304H / 08Х18Н10: Specifications, Applications, and Features

Stainless steel 1.4938 (AISI 304H, 08Х18Н10) is a versatile material that combines high corrosion resistance, heat resistance, and mechanical stability. Thanks to its chemical composition and excellent performance characteristics, this alloy is widely used in industry, construction, and the food sector. Below are the key characteristics, chemical composition, mechanical properties, applications, and unique features of this steel.

General Specifications

Stainless steel 1.4938 / AISI 304H / 08Х18Н10 belongs to the category of austenitic steels with increased carbon content, which provides additional strength at high temperatures. Key parameters include:

• Steel grade: 1.4938 (EN), AISI 304H (American standard), 08Х18Н10 (GOST).
• Corrosion resistance: High resistance to moisture, aggressive chemical environments, and oxidative processes.
• Operating temperature range: Up to +800°C.
• Processing methods: Cold-rolled or hot-rolled sheets, welded products.

This material is well-suited for mechanical processing, welding, and polishing, making it versatile for various applications.

Chemical Composition

The chemical composition of stainless steel 1.4938 / AISI 304H / 08Х18Н10 is balanced to ensure its corrosion and thermal resistance:

• Carbon (C): 0.04–0.10%
• Chromium (Cr): 17.0–19.0%
• Nickel (Ni): 8.0–10.5%
• Manganese (Mn): Up to 2.0%
• Silicon (Si): Up to 1.0%
• Phosphorus (P): ≤ 0.045%
• Sulfur (S): ≤ 0.03%

The combination of chromium and nickel ensures high corrosion resistance, while the increased carbon content improves heat resistance and mechanical strength.

Mechanical Properties

Stainless steel 1.4938 has the following mechanical properties:

• Yield strength (σ0.2): 205 MPa.
• Tensile strength (σv): 515–740 MPa.
• Elongation at break: 35–40%.
• Hardness (HB): Up to 200.
• Heat resistance: Maintains structural stability and mechanical properties at temperatures up to +800°C.

These characteristics make the material reliable for operation in challenging conditions, including exposure to high temperatures and chemically aggressive environments.

Applications

Stainless steel 1.4938 / AISI 304H / 08Х18Н10 is actively used in the following sectors:

1. Food industry.
   Used for manufacturing tanks, pipelines, and equipment for processing and storing food products.
2. Chemical industry.
   Applied for producing apparatuses that handle aggressive liquids and gases.
3. Construction.
   Used for architectural structures, railings, and facade elements.
4. Energy sector.
   Suitable for manufacturing components of boiler equipment, heat exchangers, and pipelines for hot liquids.
5. Healthcare.
   Applied for producing surgical instruments, sterile containers, and medical equipment.

Features of Steel 1.4938

Stainless steel 1.4938 / AISI 304H / 08Х18Н10 has the following features:

• High corrosion resistance.
  Resistant to the effects of moisture, salts, acids, and alkalis.
• Heat resistance.
  Retains its properties during prolonged operation under high temperatures.
• Versatility in processing.
  Easily weldable, grindable, and polishable.
• Aesthetic appeal.
  Polished or mirror-finished surfaces are suitable for decorative and functional purposes.
• Durability.
  Maintains its performance characteristics even under intensive use.

Advantages of Buying from Us

We offer stainless steel 1.4938 / AISI 304H / 08Х18Н10 in sheets, round bars, and pipes of various sizes. Why choose us:

• High-quality products.
  All materials comply with international standards.
• Flexible pricing.
  Favorable terms for wholesale and retail buyers.
• Wide range.
  Products are available in various formats and sizes.
• Fast delivery.
  We ensure timely delivery to meet your needs.
• Professional consultation.
  Our experts will help you choose the best option for your requirements.

Contact us to clarify prices and place your order. Stainless steel 1.4938 / AISI 304H / 08Х18Н10 is your reliable choice for long-term and efficient use!

Forms of delivery of steel products EN 1.4938 / AISI 304H / 08Х18Н10