SA 285 Gr. C is a widely used carbon steel plate for pressure vessels, known for its good weldability, ductility, and suitability for moderate temperature/pressure applications like boilers, tanks, and heat exchangers.
Chemical Composition:
| C | Mn | P | S | Si | Cr | Cu | Ni | Mo | Nb | Ti |
| % | % | % | % | % | % | % | % | % | % | % |
| 0.16 | 0.40-1.20 | 0.03 | 0.03 | 0.35 | 0.30 | 0.30 | 0.30 | 0.08 | 0.01 |
0.03 |
Physical properties :
| Grade | Tensile strength, kis [MPa] | Yield strength, min, kis [MPa] | Elongation in under [50mm], min, % |
| SA285 Gr C | 380-515 | 205 | 27 |
EQUIVALENT GRADES:
| ASTM/ASME | ME British Standard | European Norm | Japan | Spain |
| A/SA285 - Grade C | 161 Gr.360/164 Gr.360 | P235GH | SPV 24 | A 37 RCI |
Application:
Pressure vessels:
These plates are primarily used in the fabrication of pressure vessels, such as boilers, tanks, and reactors, where they can withstand high pressure and temperature conditions.
Heat exchangers:
They are suitable for constructing heat exchangers, as they offer good heat transfer properties and resistance to corrosion.
Storage tanks:
ASME SA 285 Grade C Pressure Vessel Carbon Steel Plates can be utilized in the manufacturing of storage tanks for liquids and gases.
Process equipment:
These plates are used in the fabrication of process equipment, including piping, valves, and fittings, in chemical and petrochemical industries.
Power generation:
They are employed in the construction of components in power plants, such as steam generators and turbine casings.
Advantages:
Good Weldability & Formability:
Easy to cut, shape, and weld using standard procedures, reducing manufacturing complexity.
Moderate Strength:
Offers higher tensile strength than Grades A and B, making it suitable for slightly more demanding low-pressure systems.
Corrosion Resistance:
Provides good resistance to general corrosion, pitting, and crevice corrosion, enhancing equipment longevity.
Temperature Performance:
Exhibits good mechanical properties at both low and high temperatures, ideal for varied service conditions.
Cost-Effective:
A reliable and economical choice for many PVQ (Pressure Vessel Quality) applications.
Stable Composition:
Its consistent chemical makeup (carbon, silicon, manganese) ensures predictable mechanical properties and performance.
Request a professional quotation for SA 285 Gr. C from GNEE Steel.
What is the difference between SA 285 GR C and SA 283 GR C?
SA 283 Gr C is for general structures and low-pressure tanks, while SA 285 Gr C is for pressure vessels and boilers with stricter chemical controls. They are not always interchangeable due to application restrictions. Gangsteel's plates support both with certifications.
What is SA 285 Grade C equivaleWhat is the yield strength of SA 285 GR.C?nt to?
ASME SA 285 Gr C equivalents include ASTM A285 Grade C, EN P235GH, DIN HI, JIS SPV235, BS 161-360A, GB Q245R, with yield ~205-235 MPa for low-pressure vessels.
What is the difference between SA 285 GR C and A36?
A285 Grade C has low to medium tensile strength between 380 to 515 MPa, whereas the tensile strength of A36 material ranges between 400 to 500 Mpa. This is due to the variation in their chemical composition.
What is the yield strength of SA 285 GR.C?
The minimum yield strength for SA 285 Grade C steel is 30 ksi (205 MPa), with tensile strength ranging from 55-75 ksi (380-515 MPa), making it the strongest of the SA 285 grades (A, B, and C). This material is commonly used for fusion-welded boilers, pressure vessels, and storage tanks, typically supplied in an as-rolled condition.
What temperature and pressure conditions is SA 285 Gr.C suitable for?
It is typically used in low- to moderate-pressure and temperature service. It is not recommended for high-temperature, high-pressure, or highly corrosive environments.
What are the common applications of SA 285 Gr.C?
It is commonly used for pressure vessel shells, storage tanks, heat exchanger shells, boiler components, process equipment, and general structural fabrications.
What are the key characteristics of SA 285 Gr.C?
It offers good weldability, formability, and machinability, with moderate strength and cost-effectiveness. It is designed for reliable performance under non-severe operating conditions.
Does SA 285 Gr.C require heat treatment?
In most cases, no special heat treatment is needed. However, stress relief heat treatment may be applied based on thickness, welding conditions, or design requirements.