SS 1.4021 UNS S42000 Coils

These coils, defined by SS 1.4021 UNS S42000, are special types of martensitic stainless steel based on Grade 420 steel. Stainless steel is marked by the initials “SS,” the standard for this material is given as EN 1.4021 in Europe and in the United States it is called UNS S42000. When taken together, they are stainless steel alloys made mainly of chromium (approx. 12-14%), giving it good resistance to corrosion and keeping the metal tough.

Most of the time, steel includes carbon, manganese, silicon, phosphorus, sulfur and chromium. Because the carbon content is no more than 0.15%, the material has outstanding hardness and tensile strength after it is heat treated. The copper coils are provided in annealed or tempered form and can be easily manufactured for use in industry.

Coils made to SS 1.4021 UNS S42000 are noted for their strength, corrosion resistance and the ease with which they can be machined. These are the main traits found in this literature:

• Corrosion Resistance:The material demonstrates good resistance to corrosion from mild environments, fresh water, food acids and petroleum products. Quite similar to austenitic grades in their resistance, although hardening improves their performance slightly.
• Tensile Strength:After being hardened and tempered, the tensile strength of these coils is sufficient for support-based and compressive parts.
• Heat Resistance: The ceramic can resist high temperatures of up to 650°C in spurts, but using it for long periods in hot weather can lessen its corrosion resistance.
• Weldability: Welding the steel is possible, although preheating and heat treating the welds afterward are required. Generally, builders do not use sheet for difficult welding compared to other grades.

The reason these coils are suitable for demanding applications is their strength, resistance to wear and moderate shielding against corrosion.

SS 1.4021 UNS S42000 is much used because of its strong mechanical qualities and resistance to corrosion:

• Automotive: Steel is used in engine components, valve pieces and transmissions because it is strong and tough.
• Aerospace: Used for making structural components that need high toughness and excellent results every time.
• Construction: Construction uses fasteners, supports and architectural hardware that need both a long life and an attractive appearance.
• Manufacturing: Tools, industrial knives, pump shafts and similar components in mechanical stress are made using materials from manufacturing.

Because of how hygienic and reliable they are, they are also found in processing plants, hospitals and oil & gas facilities.

SS 1.4021 UNS S42000 coils are better suited than standard carbon steels and some stainless steels for different purposes.

• Cost-Effective: Using a cost-effective solution, hardness, property of strength and corrosion resistance are all offered in a balanced manner.
• Durability: Can function under both mechanical and chemical stress, meaning it works for a long time.
• Versatality: Easily machined, heat-treated, and shaped into components for numerous industrial applications.

These benefits make them a top choice for manufacturers looking for durable and efficient material solutions.

Frequently Asked Questions (FAQ)

Q1: What makes SS 1.4021 different from other stainless steels?

SS 1.4021 (Grade 420) is harder and stronger than grades like 304 or 316, due to its higher carbon content. It’s great for tools and wear-prone parts, but not as corrosion-resistant—so it’s better for dry or less harsh environments.

Q2: How do I maintain SS 1.4021 UNS S42000 coils?

Regular cleaning with mild detergents and avoiding prolonged exposure to corrosive environments will extend the coil's service life.

Q3: How can I obtain SS 1.4021 UNS S42000 coils?

Stainless steel manufacturers, industrial suppliers and worldwide distributors who deal in stainless and specialty alloys provide these coils.

As these coils provide strength, wear resistance and moderate resistance to corrosion, they are well suited for use in expensive applications that require high performance.Because of their many industrial uses, these coils are a strong choice for anyone seeking durable stainless steel.

Talk to us today to find out more about SS 1.4021 UNS S42000 coils or to get a custom quote based on your project.