EN10028-4.5Ni5Ni9Ni12Ni14X7Ni9X8Ni9_
EN10028-4.5Ni5Ni9Ni12Ni14X7Ni9X8Ni9 (
EN10028-4_1
EN10028-4.5Ni5Ni9Ni12Ni14X7Ni9X8Ni9_
EN10028-4.5Ni5Ni9Ni12Ni14X7Ni9X8Ni9 (
EN10028-4_1

EN10028-4.5Ni5Ni9Ni12Ni14X7Ni9X8Ni9 nickel-based low temperature structural steel plate

EN10028-4 5Ni, 9Ni, 12Ni14, X7Ni9, X8Ni9 nickel-based low temperature structural steels are high-strength materials designed for structural
applications in extreme low-temperature environments. We offer certified industrial supply.

1.Superior Low-Temperature Toughness
2.High Strength and Durability
3.Conformance to International Standards

EN10028-3.5Ni5Ni9Ni12Ni14X7Ni9X8Ni9 nickel-based low temperature structural steel description

EN10028-4 3.5Ni, 5Ni, 9Ni, 12Ni14, X7Ni9, X8Ni9 nickel-based low-temperature structural steel plates are high-performance materials designed for cryogenic applications in industries such as LNG storage, chemical processing, and energy. As a China-based manufacturer and bulk exporter, we offer these grades with superior toughness and strength at low temperatures. Available in thicknesses from 8mm to 50mm, our plates comply with EN10028-3 standards, ensuring excellent weldability and impact resistance for demanding environments. Contact our factory for EN10028-3 nickel steel plate supply or large-volume inquiries.

EN 10028-4-Chemical Composition/Tensile Requirements

EN 10028-4-Chemical Composition
Element 12Ni14 X7Ni9 X8Ni9
Carbon (C) 0.15 0.1 0.1
Silicon (Si) 0.35 0.35 0.35
Manganese (Mn) 0.30–0.80 0.30–0.80 0.30–0.80
Phosphorus (P) 0.02 0.02 0.02
Sulfur (S) 0.01 0.01 0.01
Chromium (Cr) 0.3 0.3 0.3
Nickel (Ni) 3.25–4.00 8.50–10.00 8.50–10.00
Mo (max) 0.1 0.1 0.1
EN 10028-4– Tensile Requirements
Property 12Ni14 X7Ni9 X8Ni9
Yield Strength (ReL, MPa) 355 (t ≤ 50 mm) 680 (t ≤ 30 mm) 585 (t ≤ 30 mm)
Tensile Strength (Rm, MPa) 500–680 780–980 680–880
Elongation (A, %) 22 18 20
Impact Energy (KV2, J, min) at Test Temp (°C) 27 at -120°C 50 at -195°C 50 at -195°C

 

 

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EN10028-4.5Ni5Ni9Ni12Ni14X7Ni9X8Ni9 nickel-based low temperature structural steel Application

EN10028-4 5Ni, 9Ni, 12Ni14, X7Ni9, and X8Ni9 nickel-based low-temperature structural steels are extensively utilized in applications requiring exceptional performance at cryogenic temperatures across various industries. In the liquefied natural gas (LNG) sector, these steels are ideal for fabricating storage tanks, cryogenic pipelines, and terminals due to their superior toughness and resistance to brittle fracture at low temperatures. In the chemical industry, particularly for ammonia and hydrogen processing, 9Ni and X8Ni9 steels excel in pressure vessels and reactors exposed to extreme cold and corrosive environments. The power generation sector employs these materials in cryogenic heat exchangers and gas processing units, leveraging their high strength and weldability. Additionally, 12Ni14 and X7Ni9 are trusted in aerospace and industrial gas storage systems, ensuring reliability under severe thermal and mechanical stresses. Their ability to maintain structural integrity in sub-zero conditions makes them a preferred choice for EPC contractors and cryogenic equipment manufacturers worldwide.

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EN 10028-4 5Ni, 9Ni, 12Ni14, X7Ni9, X8Ni9 Nickel-Based Low Temperature Structural Steel FAQs

1.What are EN 10028-4 nickel-based steels used for?
These steels, including grades like 5Ni, 9Ni, 12Ni14, X7Ni9, and X8Ni9, are primarily used for manufacturing pressure vessels, storage tanks, and equipment designed for low-temperature or cryogenic applications, such as liquefied natural gas (LNG), ethylene, methane, oxygen, and nitrogen storage and processing, down to -196°C [-320°F]. They are ideal for environments requiring high fracture toughness and strength at extremely low temperatures.
2.What grades are available for EN 10028-4 nickel-based steels?
Common grades include 5Ni (e.g., 15NiMn6, 11MnNi5-3, 13MnNi6-3), 9Ni (e.g., X7Ni9, X8Ni9), and 12Ni14, as specified in EN 10028-4 standards. Each grade varies in nickel content and mechanical properties, with X7Ni9 and X8Ni9 being high-nickel grades for extreme cryogenic conditions.
3.Can EN 10028-4 nickel-based steel plates be customized?
Yes, these plates can be customized in terms of size, thickness (typically up to 125mm for X7Ni9), and processing requirements, such as cutting, drilling, welding, milling, or edge preparation (e.g., beveling). Additional treatments like normalizing (+N), normalizing and tempering (+NT), or quenching and tempering (+QT) can also be applied to meet specific project needs.

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