Nitronic 50 (XM-19)

Nitronic 50 (XM-19)

Apar Alloys offers Nitronic 50 (XM-19), a high-strength austenitic stainless steel known for its superior corrosion resistance, excellent mechanical properties, and outstanding performance in demanding industrial environments. With significantly higher yield strength than 316/316L and excellent resistance to chloride-induced corrosion, Nitronic 50 is widely used in marine, chemical processing, and high-stress applications requiring long-term durability and reliability.

Nitronic 50 provides exceptional toughness even at cryogenic temperatures and maintains high strength at elevated temperatures, making it suitable for a broad range of critical applications. Apar Alloys is a trusted Supplier and Stockist of certified Nitronic 50 materials, ensuring consistent quality, reliable performance, and availability for various industrial requirements. Its combination of oxidation resistance, formability, and excellent weldability makes Nitronic 50 a preferred alloy for severe service conditions.

Specifications

Grade AISI UNS ASTM A276 / A479 ASTM A182 EN (W-Nr) DIN Spec
Nitronic 50 XM-19 S20910 ASTM A276 / A479 ASTM A182 1.3964 X3CrNiMoN27-5-2

General Characteristics

High-strength austenitic stainless steel grade

Excellent corrosion resistance in marine and chloride environments

Nearly double the yield strength of 304/316 stainless steels

Superior toughness from cryogenic to elevated temperatures

Enhanced resistance to pitting, crevice corrosion, and SCC

Excellent machinability, weldability, and fabrication properties

Chemical Composition (nominal) %

Element C Si Mn P S Cr Ni Mo N Cu Fe
Nitronic 50 (XM-19) ≤0.06 ≤1.00 4.0–6.0 ≤0.04 ≤0.03 20.5–23.5 11.5–13.5 1.5–3.0 0.20–0.40 ≤0.75 Balance

Applications

Marine engineering, seawater systems, and offshore platforms

Chemical and petrochemical processing equipment

Pumps, valves, shafts, and fasteners exposed to corrosive media

Food and pharmaceutical industrial environments

Pulp & paper processing equipment

Heat exchangers, pressure vessels, and high-strength structural components

Advantages

  • High strength with excellent toughness in all temperature ranges
  • Outstanding resistance to chlorides and marine corrosion
  • Superior pitting, crevice corrosion, and SCC resistance
  • Better performance than 304, 316, and Duplex in many conditions
  • Excellent weldability and fabrication characteristics
  • Reliable long-term performance with low maintenance requirements

Mechanical Properties (Typical at Room Temperature)

Property Value
Tensile Strength (MPa) 690 – 895
Yield Strength (MPa) 345 – 515
Elongation (%) 35 – 45
Hardness 260 – 310 HB

Why Choose Apar Alloys

Reliable Supplier & Stockist

Large inventory of Nitronic 50 materials ready for dispatch.

Global Sourcing Network

Materials sourced from reputed international mills.

Strict Quality Assurance

Each batch undergoes full testing, inspection, and certification.

Custom Sizes & Finishes

Tailor-made cuts, machining, and processing available.

Competitive Pricing & Timely Delivery

Cost-effective solutions with guaranteed on-time supply.

Technical Expertise & Support

Assistance from material selection to application optimization.

Get in Touch

Contact Us

Looking for high-performance Nitronic 50 (XM-19) materials? Contact Apar Alloys for specifications, custom sizes, and competitive pricing for Nitronic Bars, Plates, Sheets, Pipes & Components.

[Call] +91 98333 89128

301, 3rd floor, A WING, Krishvi Escape, Near Vinay Health Home, Fanaswadi Bhuleshwar, Mumbai - 400002.

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