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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Q420MB TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q420MB is thermomechanical controlled process plate with 420 MPa minimum yield and +20°C impact. SHH STEEL supplies Q420MB plate mill-direct for buildings, bridges and fabrication that names the M condition. This is not normalized Q420NB.View More -
Q390MF TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q390MF is thermomechanical controlled process plate with 390 MPa minimum yield and −60°C impact. SHH STEEL supplies Q390MF plate mill-direct for arctic bridges and cold-region frames that name the M condition. This is not normalized Q390NE and not −40°C Q390ME.View More -
Q390ME TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q390ME is thermomechanical controlled process plate with 390 MPa minimum yield and −40°C impact. SHH STEEL supplies Q390ME plate mill-direct for bridges, cold-region frames and outdoor fabrication that names the M condition. This is not normalized Q390NE.View More -
Q390MD TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q390MD is thermomechanical controlled process plate with 390 MPa minimum yield and −20°C impact. SHH STEEL supplies Q390MD plate mill-direct for bridges, buildings and cold-weather frames that name the M condition. This is not normalized Q390ND.View More -
Q390MC TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q390MC is thermomechanical controlled process plate with 390 MPa minimum yield and 0°C impact. SHH STEEL supplies Q390MC plate mill-direct for buildings, bridges and fabrication that names the M condition. This is not normalized Q390NC.View More -
Q390MB TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q390MB is thermomechanical controlled process plate with 390 MPa minimum yield and +20°C impact. SHH STEEL supplies Q390MB plate mill-direct for buildings, bridges and fabrication that names the M condition. This is not hot-rolled Q390 and not normalized Q390NB.View More -
Q355MF TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q355MF is thermomechanical controlled process plate with 355 MPa minimum yield and −60°C impact. SHH STEEL supplies Q355MF plate mill-direct for arctic bridges and cold-region frames that name the M condition. This is not hot-rolled Q355 and not normalized Q355NF.View More -
Q355ME TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q355ME is thermomechanical controlled process plate with 355 MPa minimum yield and −40°C impact. SHH STEEL supplies Q355ME plate mill-direct for bridges, cold-region frames and outdoor fabrication that names the M condition. This is not hot-rolled Q355E and not normalized Q355NE.View More -
Q355MD TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q355MD is thermomechanical controlled process plate with 355 MPa minimum yield and −20°C impact. SHH STEEL supplies Q355MD plate mill-direct for bridges, buildings and cold-weather frames that name the M condition. This is not hot-rolled Q355D and not normalized Q355ND.View More -
Q355MC TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q355MC is thermomechanical controlled process plate with 355 MPa minimum yield and 0°C impact. SHH STEEL supplies Q355MC plate mill-direct for buildings, bridges and fabrication that names the M condition. This is not hot-rolled Q355C and not normalized Q355NC.View More -
Q355MB TMCP Steel Plate GB/T 1591 Supplier
GB/T 1591 Q355MB is thermomechanical controlled process plate with 355 MPa minimum yield and +20°C impact. SHH STEEL supplies Q355MB plate mill-direct for buildings, bridges and fabrication that names the M condition. This is not hot-rolled Q355B and not normalized Q355NB.View More -
Q460NE Steel Plate GB/T 1591 Supplier
GB/T 1591 Q460NE is normalized high-strength low-alloy plate with 460 MPa minimum yield and −40°C impact. SHH STEEL supplies Q460NE plate mill-direct for bridges, cold-region frames and outdoor fabrication that names the N condition. This is not hot-rolled Q460E, not TMCP Q460ME, and not GB/T 16270 QT plate.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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