Product Showcase
GB/T 1591 Carbon Steel Plates
SHH STEEL offers GB/T 1591-compliant high-strength low-alloy structural steel plates. GB/T 1591 specifies steels for plates, strips, and sections in general structures and engineering. Enhanced strength, corrosion resistance, certified quality, competitive prices, customizable. Trust SHH STEEL!
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Q690MF TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q690MF is thermomechanical controlled process plate with 690 MPa minimum yield and −60°C impact. SHH STEEL supplies Q690MF plate mill-direct for arctic bridges and cold-region frames that name the M condition. This is not quenched-and-tempered GB/T 16270 Q690F and not −40°C Q690ME.View More -
Q690ME TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q690ME is thermomechanical controlled process plate with 690 MPa minimum yield and −40°C impact. SHH STEEL supplies Q690ME plate mill-direct for bridges, cold-region frames and outdoor fabrication that names the M condition. This is not quenched-and-tempered GB/T 16270 Q690E.View More -
Q690MD TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q690MD is thermomechanical controlled process plate with 690 MPa minimum yield and −20°C impact. SHH STEEL supplies Q690MD plate mill-direct for bridges, buildings and cold-weather frames that name the M condition. This is not quenched-and-tempered GB/T 16270 Q690D.View More -
Q690MC TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q690MC is thermomechanical controlled process plate with 690 MPa minimum yield and 0°C impact. SHH STEEL supplies Q690MC plate mill-direct for buildings, bridges and fabrication that names the M condition. This is not quenched-and-tempered GB/T 16270 Q690C.View More -
Q620MF TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q620MF is thermomechanical controlled process plate with 620 MPa minimum yield and −60°C impact. SHH STEEL supplies Q620MF plate mill-direct for arctic bridges and cold-region frames that name the M condition. This is not quenched-and-tempered GB/T 16270 Q620F and not −40°C Q620ME.View More -
Q620ME TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q620ME is thermomechanical controlled process plate with 620 MPa minimum yield and −40°C impact. SHH STEEL supplies Q620ME plate mill-direct for bridges, cold-region frames and outdoor fabrication that names the M condition. This is not quenched-and-tempered GB/T 16270 Q620E.View More -
Q620MD TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q620MD is thermomechanical controlled process plate with 620 MPa minimum yield and −20°C impact. SHH STEEL supplies Q620MD plate mill-direct for bridges, buildings and cold-weather frames that name the M condition. This is not quenched-and-tempered GB/T 16270 Q620D.View More -
Q620MC TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q620MC is thermomechanical controlled process plate with 620 MPa minimum yield and 0°C impact. SHH STEEL supplies Q620MC plate mill-direct for buildings, bridges and fabrication that names the M condition. This is not quenched-and-tempered GB/T 16270 Q620C.View More -
Q550MF TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q550MF is thermomechanical controlled process plate with 550 MPa minimum yield and −60°C impact. SHH STEEL supplies Q550MF plate mill-direct for arctic bridges and cold-region frames that name the M condition. This is not quenched-and-tempered GB/T 16270 Q550F and not −40°C Q550ME.View More -
Q550ME TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q550ME is thermomechanical controlled process plate with 550 MPa minimum yield and −40°C impact. SHH STEEL supplies Q550ME plate mill-direct for bridges, cold-region frames and outdoor fabrication that names the M condition. This is not quenched-and-tempered GB/T 16270 Q550E.View More -
Q550MD TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q550MD is thermomechanical controlled process plate with 550 MPa minimum yield and −20°C impact. SHH STEEL supplies Q550MD plate mill-direct for bridges, buildings and cold-weather frames that name the M condition. This is not quenched-and-tempered GB/T 16270 Q550D.View More -
Q550MC TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q550MC is thermomechanical controlled process plate with 550 MPa minimum yield and 0°C impact. SHH STEEL supplies Q550MC plate mill-direct for buildings, bridges and fabrication that names the M condition. This is not quenched-and-tempered GB/T 16270 Q550C.View More
GB/T 1591 Carbon Steel Plates
High-Strength Low Alloy Plates
SHH STEEL, a leading High-Strength Low Alloy Plates exporter, produces and exports HSLA steel plates for construction, bridges, and automotive applications. Our plates, like ASTM A572 Grade 50, offer superior strength-to-weight ratios and excellent weldability, meeting global standards. With a 5,000-ton inventory, we ensure 3–5 day delivery for in-stock items, supported by SGS/TUV inspections and mill certificates. Trust SHH STEEL for durable high-strength low alloy plates and custom solutions for structural projects.
High-Strength Low Alloy Plates
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