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S275JR carbon steel plates
This steel grade is ideal for structural applications where high yield strength and good weldability are required. In this article, we cover S275JR's specifications, chemical composition, mechanical properties, and common applications, along with our quality assurance and inspection standards.
S275JR Carbon Steel Plate Overview
S275JR carbon steel is commonly used for structural components in various industries. Here's a breakdown of its essential properties and key specifications.
S275JR Steel Grade Meaning:
"S" stands for structural steel.
"275" indicates a minimum yield strength of 275 MPa for steel thickness ≤ 16mm.
"JR" denotes the quality grade related to the Charpy impact test energy value of 27J, conducted at room temperature (20°C).
Steel number: 1.0044.
S275JR Carbon Steel Plate Specifications
| Specification | Details |
|---|---|
| Thickness | ≤400mm |
| Width | ≤4200mm |
| Length | ≤18000mm |
| Steel Number | 1.0044 |
| Density | 7.85g/m³ |
| Processing | Cutting, welding, bending, drilling |
| Third-party inspection | SGS, BV, Intertek, etc. |
| Delivery State | HR, AR, N |
S275JR Carbon Steel Plate Chemical Composition (Ladle Analysis Max%)
| Thickness (mm) | C | Mn | P | S | N | Cu |
|---|---|---|---|---|---|---|
| T ≤ 16 | 0.21 | 1.5 | 0.035 | 0.035 | 0.012 | 0.55 |
| 16 < T ≤ 40 | 0.21 | |||||
| T > 40 | 0.22 |
S275JR Carbon Steel Plate Mechanical Properties
| Grade | Minimum Yield Strength Reh (MPa) | Tensile Strength Rm (MPa) |
|---|---|---|
| Nominal Thickness | ≤16mm | >16mm |
| S275JR | 275 | 265 |
| Nominal Thickness | >63mm | >80mm |
| S275JR | 245 | 235 |
S275JR Carbon Steel Plate Applications
S275JR carbon steel plates are primarily used in:
- Structural Building: Ideal for beams, columns, and other structural components.
- Machinery Manufacturing: Used in machinery frames and supports.
- Mining Equipment: Suitable for parts that undergo high stress and wear.
- Construction: Perfect for bridges, towers, and other large-scale infrastructure projects.
S275JR Carbon Steel Plate Equivalent Grades
| Region | Equivalent Grade |
|---|---|
| EU | RSt42-2 |
| Germany | SS400 |
| Japan | E28-2 |
| China | Q275 |
| Russia | GOST E275B |
| India | IS2062 |
S275JR is a versatile and reliable choice for structural applications requiring strength and durability. Contact us today for the latest pricing and availability of S275JR carbon steel plates! We guarantee quick delivery and top-notch quality to meet your project's needs
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What is material S275JR?
S275JR grade steel is a readily weldable low carbon manganese steel with good impact resistance. This material is commonly supplied in the untreated or normalised condition. Machinability of this material is similar to that of mild steel.
What is S275JR equivalent in China?
S275JR EN 10025 equivalent steel material in China is Q275 steel. S275JR EN 10025 equivalent steel Q275 is a Chinese carbon structural steel, whose minimum yield strength is 275 MPa.
Is S275JR hot rolled?
The 2500 x 1250 x 6mm Hot Rolled Plate – S275JR is a structural steel plate produced to BS EN 10025-2 standards. Manufactured using the hot rolling process, this plate offers excellent formability, weldability, and strength, making it suitable for a wide range of fabrication and structural applications.
What does S235JR stand for?
The letter S stands for that the steel plate is structural. The number 235 indicates steel's yield strength. The letter JR means that the steel grade has undergone a Charpy impact test and is of high quality. The S235JR is a specification given to it, with each symbol indicating something different.
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