2mm 3mm Thickness A36 Q235C Q235D Hot Rolled Mild Carbon Steel Sheet
- We can provide thin and medium thick plates
- Can supply common carbon steel, cherecked plates, structural steel, alloy steel, etc
- Support third-party inspection
- Overview
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Product Induction
A36, Q235C, and Q235D are all low-carbon structural steel plates with excellent formability, they are both common materials for carbon steel coil sheets.And they are widely used in construction, bridges, machinery, and other fields. These plate coils can be processed into finished products meeting customer requirements through techniques such as laser cutting, bending, welding, and punching.
Products Pictures
Specification
| Product Name | 2mm 3mm Thickness A36 Q235C Q235D Hot Rolled Mild Carbon Steel Sheet |
| Technique | Hot Rolled |
| Grade | A36 Q235C Q235D |
| Standard | ASTM,GB,JIS,AISI,EN |
| Steel Grade Stocking |
Common Carbon Steel: A36,A36M,JJ195L,11235L,JJ235M,SAPH400-C,SS40-ZJ,A36-001,SS40-FST,Q235C Q235D Checkered Plate:BDQ235B,BDSS400TS,BDQ235B-Z01 Cold Rolled base Material:Q195,SPHC,SPHD,DD11,DD12,SAE1006/1008/1010/1012/1016/1018 Low Alloy High-Strength Steel:Q345B,Q355B-ZH,Gr50,S235JR,Q355C,S275JR,BDQ355B,S355J2 Tool Steel:20#,35#,40#,S45C and other automotive steel, construction machinery steel, container steel, weather resistant steel. |
| Width | steel sheet:500-2500mm,medium thick steel plate:1000-3000mm |
| Thickness | steel sheet:0.4-4mm,medium thick steel plate:4.5-25mm,25-100mm |
| Surface Treatment | Pickling, Galvanizing, Painting, Powder Coated, Oiling |
| Delivery Time | 3 DAYS |
| Application | construction, bridges, automobile,machinery, and other fields |
Chemical Composition
| Grade | C max | Si max | Mn max | P max | S max |
| A36 | 0.25 | 0.40 | 1.05 | - | - |
| Q235C | 0.17 | 0.35 | 1.40 | 0.04 | 0.04 |
| Q235D | 0.17 | 0.35 | 1.40 | 0.04 | 0.04 |
Mechanical Properties
| Grade | tensile strength（MPa） | yield strength（MPa） | Elongation% |
| A36 | 400-550 MPa | ≥250 MPa | 20 % |
| Q235C | 370-500 MPa | ≥235 MPa | ≥26 % |
| Q235D | 370-500 MPa | ≥235 MPa | ≥26 % |
A36, Q235C, and Q235D Each Have Their own Core Advantages
A36, as a versatile steel plate, offers strength and ductility suitable for most construction, bridge, and general machinery applications. Its low carbon content (C ≤ 0.25%) combined with sufficient manganese (0.8-1.2%) eliminates the need for preheating during welding, enhancing work efficiency. With a comprehensive range of specifications, ample stock availability, and competitive pricing, it stands as the preferred choice for steel plate coil material.
Q235C surpasses Q235B with enhanced low-temperature toughness, offering greater reliability for winter construction or mildly cold environments. It is suitable for cold bending, stamping, cold-formed steel sections, and prefabricated components. With high plasticity, it can be used in scaffolding, temporary supports, shells, and other applications requiring high deformation capacity.
Q235D exhibits the strictest impurity control among the three grades, inherently resistant to brittle fracture; Under identical yield strength conditions of 235 MPa, its impact value more than doubles that of Q235C, offering enhanced safety in “high vibration + low temperature” combined operating conditions such as dynamic loads, crane girders, and mining machinery supports. Weld cold cracking sensitivity is further reduced, enabling room-temperature welding even for thick plates. This eliminates the need for preheating/post-heating processes, resulting in lower overall construction costs compared to lower-grade steels requiring preheating.
Sheet Metal Fabrication
Our factory is equipped with a wide range of advanced machinery: 20,000V laser cutting machines, welding machines, bending machines, sawing machines, beveling machines, punching machines, and more. We meet all modern processing technology requirements and can process carbon steel plates, stainless steel plates, aluminum plates, and steel pipes. Custom manufacturing based on provided drawings is available.
FAQ
Q:Which has higher strength: A36 or Q235C/D?
A:The yield strength of A36 is ≥250 MPa, slightly higher than that of Q235C/D (≥235 MPa).
Q:What temperature environments are Q235C and Q235D suitable for?
A:Q235C: Suitable for environments at or above 0°C.
Q235D: Suitable for environments at or above -20°C.
Q:Can A36 replace Q235C or Q235D?
A:For normal temperature applications without mandatory impact requirements, substitution is permissible.
If the design specifies low-temperature impact requirements (e.g., -20°C), A36 does not meet the toughness standards of Q235D and is therefore not recommended for substitution.
Q:How is the weldability of these three types of steel?
A: All three are low-carbon steels with good weldability. Among them,Q235C/D contains fewer impurities and is more suitable for critical welded structures.
Q: How are prices ranked?
A: Generally: Q235D > Q235C > A36. Among these, Q235D has slightly higher costs due to composition control and low-temperature impact requirements; A36 is relatively cheaper due to its high market availability.
Q: How can I get your quotation as soon as possible?
A:Please contact:
Email:[email protected]
WeChat/WhatsApp/Mobile: +8613512028034
