A709GR50 Executive Standard is ASTM A572 / A572M. A709Gr50 belongs to high-strength low-alloy steel plate, A709Gr50 low-alloy high-strength structural steel is widely used in engineering structures, etc; the main purposes of A709Gr50 high strength low alloy steel plate : such as construction steel, construction machinery, mining mountainous machinery, trucks, bridges, pressure vessels, etc, Requires construction and construction machinery parts with good weldability and toughness.
A709GR50 high strength low alloy steel plate chemical composition:
Carbon C: ≤ 0.2038CrMoAl 38CrMoAl Wugang 38CrMoAl heat treatment Price
Silicon Si: ≤0.40
Manganese Mn: ≤1.50
Sulfur: ≤0.05
Phosphorus P: ≤0.04
Nb: 0.005-0.05
A709Gr50 high strength low alloy steel plate Mechanical Properties
σs, MPa: ≥345
σb, MPa: ≥450
δ200,%: ≥18
0 ℃ Akv, J: ≥34
Note: Charpy impact test should be carried out in accordance with customer requirements.
A709GR50 steel physical quality:
Yield strength MPa: 345 ~ 470
Tensile strength MPa: 490 ~ 600
Elongation rate δ200,%: 22-35
Impact energy, Akv, vertical: temperature. ℃: 0 J: 45 ~ 150
A709Gr50 high strength low alloy steel plate Delivery condition:
Normalizing, tempering, controlled rolling, hot-rolled, quenched and tempered, to meet the customer's other special technical requirements. we want to set up long relationship with clients of A709Gr50 high strength low alloy steel plate. the specification of A709Gr50 high strength low alloy steel plate be supplied is according to the need of clients. Please Contact us timely if you are looking for the suppliers of A709Gr50 high strength low alloy steel plate. we will be here always.