SA709 Grade 50 material under ASME SA709 carbon and high-strength low alloy steel standard is a structural steel plate for bridges construction. As a well-known carbon and low alloy steel exporter and supplier in China, we can offer supply SA709 Grade 50 steel sheet, and SA709 Grade 50S alloy steel plates with high quality. Welcome to come and visit our factory.
ASME SA709 Grade 50 steel plate specification
Thickness : 1.5-100mm
Width: 1220-4200mm
Length : 5000-18000mm
Notes: coil thickness ≤ 25mm
SA709 Grade 50 s plates tolerances
Thickness, width, and length tolerances are in accordance with ASTM A6 requirements. The flatness tolerance for SA709 Grade 50 plate is halfstandard ASTM A6 tolerance.
ASME SA709 Grade 50 steel chemical composition (%)
| Elements | Grade 50 |
| Carbon, max | 0.23 |
| Manganese, max. | 1.35 |
| Phosphorous,max | 0.03 |
| Sulfur,max | 0.030 |
| Silicon | 0.40 max. |
| Columbium | 0.005-0.05 |
ASME SA709 Grade 50 steel tensile requirement
| Grade | Thickness mm | Yield strength, min, kis [MPa] | Tensile strength Mpa min | Elongation in 8 in. [200 mm], min, % | Elongation in 2 in. [50 mm], min, % |
| Grade 50 | ≤100 | 50[345] | 65[450] | 18 | 21 |
ASME SA709 Grade 50 steel plate and sheet are used as structural plates in the construction of bridges. If you are looking for SA709 Grade 50 steel plate manufacturer in China, our company is a good partner.
Leave a Comment