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Help CenterMild Steel Plate Q235B Custom Cut Laser Cutting Thickness 2-100mm Width 1000-2000mm Machinery Fabrication
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What Is Carbon Steel Plate？
Product Definition：
Carbon steel plate is a flat-rolled steel product manufactured by hot rolling or cold rolling processes. With carbon as the primary alloying element (typically 0.05-0.50%), it offers an excellent balance of strength, ductility, weldability, and cost-effectiveness – making it the most widely used material in construction, machinery manufacturing, infrastructure, and shipbuilding.
Key Characteristics：
| Feature | Description |
|---|---|
| High Strength | Tensile strength from 370–600+ MPa depending on grade and thickness |
| Excellent Weldability | Suitable for arc welding, gas welding, and resistance welding – low carbon content minimizes weld cracking |
| Good Formability | Can be bent, rolled, stamped, and fabricated into complex shapes |
| Cost-Effective | Most economical choice for structural applications – up to 40-60% less than stainless steel |
| Available in Large Dimensions | Up to 3000mm width, 12000mm length, 200mm thickness |
| 100% Recyclable | Environmentally friendly with no loss of properties |
Carbon Steel vs Stainless Steel：
| Factor | Carbon Steel | Stainless Steel |
|---|---|---|
| Cost | Low (baseline) | High (3-5x carbon steel) |
| Strength | Good (235–550+ MPa yield) | Moderate to high |
| Corrosion Resistance | Poor – requires coating/painting | Excellent – natural passive layer |
| Weldability | Excellent | Good |
| Machinability | Excellent | Moderate |
| Applications | Structural, construction, machinery | Corrosion-resistant, food, chemical |
Typical Applications by Industry：
| Industry | Applications | Recommended Grades |
|---|---|---|
| Construction & Infrastructure | Building frames, bridges, columns, beams, supports | Q235, A36, SS400, S235JR |
| Heavy Machinery | Equipment frames, crane booms, excavator components, base plates | Q355, S355JR, 45# |
| Shipbuilding | Hull plates, decks, bulkheads, ship structures | ABS Grade A/B/D, AH36 |
| Pressure Vessels | Boilers, storage tanks, heat exchangers, reactors | Q345R, A516 Gr.70, P265GH |
| Oil & Gas | Pipeline plates, storage tank floors, offshore platforms | Q355, A516 Gr.70 |
| Automotive | Truck frames, trailer beds, chassis components | Q235, A36, S235JR |
| Mining | Chute liners, hopper plates, dump truck bodies | Hardox, NM400, 45# |
| General Fabrication | Brackets, gussets, base plates, repair sections | Q235, A36 |
Key Specifications – Carbon Steel Plate / Sheet
| Parameter | Specification / Range | Remarks |
|---|---|---|
| Standards | ASTM A36, A283, GB/T 3274, GB/T 700, EN 10025, JIS G3101, DIN | Others on request |
| Structural Grades (General) | Q235 (A/B/C/D), A36, SS400, S235JR, S235J0, S235J2 | Most common for construction |
| Higher Strength Grades | Q355 (B/C/D/E), S355JR, S355J0, S355J2, SS540, A572 Gr.50 | Load-bearing structures |
| Carbon/Machinery Grades | 20#, 45#, 1020, 1045, C22, C45 | For mechanical parts, heat treatment |
| Pressure Vessel Grades | Q345R, A516 Gr.60/70, P265GH, P355GH | Boiler & pressure vessel applications |
| Thickness – Sheet | 1.5 mm – 6.0 mm | Tolerance: ±0.10–0.30 mm |
| Thickness – Plate | 6.0 mm – 200 mm | Tolerance: ±0.30–2.50 mm |
| Width | 1000 mm – 3000 mm (standard); up to 4000 mm | Custom slitting available |
| Length | 2000 mm – 12000 mm | Custom cut to size |
| Surface Treatment | As-rolled (mill scale), pickled & oiled, painted (primer), galvanized | See Screen 8 |
| Edge | Mill edge or sheared/slit edge | – |
| Density | 7.85 g/cm³ | – |
| Testing | Chemical analysis (OES), tensile, hardness (HB), impact (Charpy), UT (optional) | Mill cert EN 10204 3.1 |
| Packaging | Steel strapped bundles, wooden pallet, waterproof paper | Seaworthy, ISPM 15 |
Wuxi Yansheng Technology Co., Ltd. – Company Profile
Wuxi Yansheng Technology Co., Ltd. is a comprehensive technology enterprise specializing in high-quality metal raw material supply and precision processing services. Located in Wuxi City, a major steel distribution center in China, the company leverages the mature industrial chain advantages of the Yangtze River Delta region to provide professional material solutions to global customers.
As a technology-driven enterprise, Yansheng Tech maintains strategic cooperation with several well-known steel mills (such as TISCO, Baosteel, JISCO, Dongfang Special Steel, etc.) and is an authorized distributor of these mills. Our main products include stainless steel (304/316/BA/EP pipe), carbon steel, silicon steel, copper, aluminum and other materials in the form of sheets, pipes, coils, as well as custom-processed parts.
Core Business Highlights:
Material Supply: We maintain sufficient stock inventory, offering 304/316 stainless steel sheets, pipes, coils, API 5L casing, electrical steel, and more. We also accept orders for special steel grades and non-standard specifications.
Precision Processing: Equipped with imported mirror polishing machines, water jet cutting machines, high-precision slitting/leveling lines, large CNC milling machines, boring machines, and more. We provide customized services including BA/EP pipe finishing, medium plate polishing, matte finishing, embossing, plasma cutting, etc.
Main Applications: Our products are widely used in industries such as solar energy, pressure vessels, boilers, electric heating equipment, petrochemicals, environmental protection machinery, pharmaceutical and food processing, and new energy vehicles.
Our processing center is located in Xishan District, Wuxi City, covering nearly 10,000 square meters, with an experienced technical and service team. We adhere to the business philosophy of "Technology First, Quality Oriented, Service Supreme" , providing 24/7 warehousing and logistics support as well as comprehensive after-sales service. Yansheng Tech is committed to being your trusted long-term partner.
Frequently Asked Questions (FAQ)
Q1. What products do you mainly supply?
We mainly supply stainless steel (304/316/BA/EP pipes), carbon steel, silicon steel, copper, aluminum, and other materials in sheets, pipes, and coils. Customized processing services are also available.
Q2. Do you have stock available?
Yes, we maintain sufficient stock for most standard specifications. For non-standard sizes, we can accept orders with reasonable lead time.
Q3. Can you provide MTC (Mill Test Certificate)?
Yes, we provide MTC for every shipment. Third-party inspection (SGS, TÜV, BV, etc.) is also available upon request.
Q4. Do you support video inspection before shipment?
Yes, we fully support video inspection. You can also arrange an agent or third party to visit our factory for on-site inspection before shipment.
Q5. What are your main export markets?
We export to Southeast Asia, the Middle East, Europe, Africa, and South America. We have rich experience in international trade and export documentation.
Q6. What payment terms do you accept?
We accept T/T (wire transfer), L/C at sight (irrevocable), and sometimes a combination of T/T deposit + L/C balance. Payment terms are negotiable based on order size and customer history.
Q7. Can you provide samples?
Yes, samples are available for most standard products. For custom sizes, we may need to produce small batch samples. Sample cost and shipping are usually borne by the customer, but can be discussed.
Q8. What is your typical lead time?
For stock items: 7–10 days after order confirmation. For custom production: 20–30 days, depending on the specification and quantity.
Q9. What quality certifications do you have?
We provide MTC with every shipment. Our partner mills are ISO9001 certified. We can also assist with third-party inspections (SGS, TÜV, BV) upon request.
Q10. How can I get a quotation?
Please send us your material grade, specification (size, thickness, length), quantity, and preferred trade term (FOB, CIF, DAP, etc.). We will reply with a detailed quotation within 24 hours.
Send Inquiry to This Supplier
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