S420 Carbon Steel Plate is a strong, but not too fancy, type of steel that's great for building stuff and for factories. It can handle tough situations. It's made following EN 10025-2 rules. This steel is a good mix of strong, easy to weld, and doesn't cost a ton, which makes it good for all sorts of places that need tough materials.
The way we create these plates is by rolling them carefully and then normalizing them. This makes sure the steel is the same all the way through and works the way it should every time. Usually, it's made up of carbon (0.18–0.23%), manganese (1.2–1.5%), silicon (0.25–0.35%), and just a little bit of sulfur and phosphorus. This mix gives it strength, makes it bend without breaking, and keeps it from cracking when you weld it. It can handle 420 MPa before bending and stays tough even when it's cold. S420 Carbon Steel Plate works well for projects that need to last.
You'll often find this steel in construction, big machines, and different building projects where things need to be strong and last a while. If you pick S420 Carbon Steel Plate, you'll get something that does the job well without costing too much.
Product Details
Specifications & Technical Parameters
| Standards | EN 10025-2 S420 |
| Thickness | 6–200 mm |
| Width | 1500–2500 mm |
| Length | up to 12000 mm (custom lengths available) |
| Yield Strength | ≥420 MPa |
| Tensile Strength | 520–630 MPa |
| Elongation (A50) | ≥20% |
| Impact Toughness | ≥27 J at –20°C |
Typical chemical composition(%)
| Carbon (C) | 0.18–0.23 |
| Manganese (Mn) | 1.2–1.5 |
| Silicon (Si) | 0.25–0.35 |
| Phosphorus (P) | ≤0.025 |
| Sulfur (S) | ≤0.015 |
Features and Advantages
01
High Strength and Toughness
S420 Carbon Steel Plate provides a minimum yield strength of 420 MPa, delivering robust structural performance. Its excellent low-temperature toughness ensures reliability in cold climates or offshore applications, reducing the risk of brittle fractures.
02
Uniform Mechanical Properties
With fancy manufacturing, these plates are consistently the same thickness and flatness, and they have the same strength, even when they're huge. This sameness cuts down on wasted stuff and makes it easier to check the quality when building big stuff.
03
Cost-Effective Performance
S420 offers a strong balance between mechanical performance and affordability. Compared with higher-alloy steels, it provides sufficient strength for most industrial applications while keeping procurement and processing costs reasonable.
Our Strength
Advanced production lines capable of delivering large-volume, uniform S420 plates
Strong supply chain ensuring timely delivery and consistent quality
Experienced technical team providing material selection guidance and fabrication support
Commitment to customer satisfaction through responsive support and practical solutions
Applications
Service & Support
At Jiangsu CunRui Metal Products Co., Ltd. we've got you covered with a bunch of services to help you out:
- Custom plate cutting and sizing to fit specific project dimensions
- Heat treatment services, including normalization or stress relief, for enhanced mechanical properties
- Surface finishing options, including shot blasting, painting, or coating for corrosion resistance
- Quality inspection and material certification (EN, ISO, and third-party inspection) to ensure compliance and reliability
- Efficient packaging and logistics tailored to domestic or international shipping requirements
FAQ
Q: Can I weld S420 plates without warming them up first?
A: Yes,You can weld S420 using regular methods. Warming it up first might be a good idea if the metal is thick or if it's super important that the weld is strong.
Q: What industries typically use S420 Carbon Steel Plate?
A: Construction, heavy machinery, offshore platforms, automotive, and energy industries are common users of S420 steel plates.
Q: Do you provide custom sizes or thicknesses?
A: Yes, we can cut and supply S420 plates in custom dimensions to meet your specific project needs.
Q: Can you provide inspection certificates or material test reports?
A: Absolutely. We provide full documentation, including EN standards compliance certificates, ISO reports, and third-party inspection if required.
Q: How is S420 Carbon Steel Plate packaged for shipping?
A: Plates are securely bundled, protected with edge guards and waterproof packaging to ensure safe delivery to your location.
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