FH 420 shipbuilding steel plate Stockist and Supplier in Dubai, UAE
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Stolt Steel, a prominent manufacturer and supplier based in Dubai, UAE, specializes in providing top-notch **FH420 shipbuilding steel plates** tailored for cutting-edge marine and offshore projects. This high-strength structural steel grade is specifically designed to meet the rigorous demands of contemporary shipbuilding and offshore engineering. With its remarkable toughness, durability, and resistance to the harsh conditions of marine environments, FH420 ensures a long service life even in extreme situations. Stolt Steel offers FH420 plates in a variety of dimensions and specifications, all in line with international classification society standards. Committed to quality assurance, timely delivery, and customer satisfaction, Stolt Steel is a trusted partner for shipyards and fabrication companies around the globe, delivering reliable, performance-oriented steel solutions.
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What is FH 420 shipbuilding steel plate?
The FH420 shipbuilding steel plate boasts a meticulously controlled chemical composition that provides high strength, toughness, and excellent weldability. The low carbon content helps maintain ductility, while manganese enhances overall strength and hardness. Silicon aids in deoxidation, and the levels of phosphorus and sulfur are carefully regulated to boost toughness. Additionally, micro-alloying elements like niobium, vanadium, and titanium refine the grain structure, enhancing mechanical performance. Typically, FH420 offers a minimum yield strength of about 420 MPa and a tensile strength range of roughly 520–680 MPa, along with good elongation and outstanding impact resistance at low temperatures, making it a reliable choice for marine applications.
FH 420 shipbuilding steel plate Specifications
| Property | Specification |
|---|---|
| Grade | FH420 |
| Standard | ASTM A131 / Classification Society Rules |
| Yield Strength | ≥ 420 MPa |
| Tensile Strength | 520 – 670 MPa |
| Elongation | ≥ 18–19% |
| Impact Test Temperature | –60°C |
| Plate Type | High-strength shipbuilding steel |
| Delivery Condition | TMCP / Normalized / Q&T |
FH 420 shipbuilding steel plate Chemical Compositions
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.16 |
| Silicon (Si) | ≤ 0.50 |
| Manganese (Mn) | 0.90 – 1.70 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Aluminum (Al) | ≥ 0.015 |
| Niobium (Nb) | 0.02 – 0.05 |
| Vanadium (V) | 0.05 – 0.10 |
| Titanium (Ti) | ≤ 0.02 |
| Chromium (Cr) | ≤ 0.20 |
| Nickel (Ni) | ≤ 0.80 |
| Copper (Cu) | ≤ 0.35 |
| Molybdenum (Mo) | ≤ 0.08 |
| Nitrogen (N) | ≤ 0.009 |
FH 420 shipbuilding steel plate Equivalent Grades
| Standard / Classification Society | Equivalent Grade |
|---|---|
| ASTM (USA) | ASTM A131 / A131M FH420 |
| ABS (American Bureau of Shipping) | ABS FH420 |
| LR (Lloyd’s Register) | LR FH420 |
| DNV | DNV FH420 |
| BV (Bureau Veritas) | BV FH420 |
| CCS (China Classification Society) | CCS FH420 |
| NK (ClassNK – Japan) | NK FH420 |
| KR (Korean Register) | KR FH420 |
| RINA (Italy) | RINA FH420 |
| IRS (Indian Register of Shipping) | IRS FH420 |
| EN (Europe – closest match) | EN 10225 S420G2+M |
| GB (China National Standard) | GB/T FH420 |
If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
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Stolt Steels is the largest stockist of FH 420 shipbuilding steel plate Pipes in Dubai, UAE.
Stolt Steels is a trusted stockist, stockist, and supplier of premium-quality steel products in Dubai, UAE, serving diverse industrial sectors with reliable materials and timely delivery. With a strong commitment to excellence, we offer a wide range of pipes, fittings, flanges, fasteners, sheets, plates, and other metal solutions designed to meet global standards. Our extensive inventory, expert support, and customer-focused approach make us a preferred partner for companies seeking durable and high-performance steel products. For inquiries or orders, contact us at sales@stoltsteels.com.
Types of FH 420 shipbuilding steel plate
Uses of FH 420 shipbuilding steel plate
FH420 shipbuilding steel plate is extensively utilized in constructing high-performance vessels and offshore structures where exceptional strength and toughness are crucial. It’s commonly found in ship hulls, decks, bulkheads, and load-bearing structural components that face heavy stresses and challenging weather conditions. This steel grade is also ideal for ice-class ships, offshore oil and gas platforms, marine support vessels, and coastal infrastructure projects. Its excellent weldability and formability facilitate complex fabrication, ensuring that it meets the diverse needs of the industry.
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