High Strength Low Alloy Steel
Your Leading High Strength Low Alloy Steel Supplier
Gnee Steel (tianjin) Co., Ltd. is a comprehensive, modern and high-quality enterprise integrating profile production, processing and sales. Our wide range of high strength low alloy steel is also used to manufacture parts used in agricultural equipment, construction equipment and aerospace technology. We strictly control product quality, from raw material procurement to production and processing, and then to finished product delivery, every link follows strict quality inspection standards.
Why Choose Us
Rich Experience
GNEE has been focusing on the field of profiles since 2008, mainly providing heavy-duty H-shaped steel, angle steel, channel steel, flat steel, round bars, steel plates and various profiles.
Advanced Equipment
We have 12 profile production lines and 7 steel plate production lines. Our series The automated production equipment is all imported.
Quality Guaranteed
We have obtained ISO, API, SGS, MTC and other quality certificates and can provide third-party testing, and the delivery terms can be AR, CR, TMCP, QT and N.
24H Online Service
We have established a 24-hour after-sales service system. Customers may reach our after-sales team at any time via phone, email, or online customer service to promptly report issues and receive professional support and solutions.

SM570 High Strength Structural Steel
SM570 high strength low alloy hsla steel is a low carbon, high strength structural steel. SM570 high strength low alloy is usually supplied in normalized or controlled rolled condition. SM570 high strength low alloy steel is commonly used in machine parts, jibs, cranes, chassis, construction bridges and mobile equipment.
DIN Alloy Structure Steel
DIN alloy steel has excellent mechanical properties and heat treatment properties. After proper heat treatment, low alloy steel material can meet the requirements of high NMness, high strength and wear resistance. At the same time, high strength low alloy steel has good heat resistance and toughness, and can maintain good mechanical properties in high temperature environments.
Q420 Low Alloy High Strength Steel
Q420 hsla steel plate is a kind of low alloy high strength structural steel, the implementation standard is GB1591-2008. Q420 hsla steel sheet is divided into 5 quality grades: Q420A hsla structural steel, Q420B low alloy steel plate, Q420C low alloy structural steel, Q420D low alloy steel sheet and Q420E high strength steel plate.
Specifications of High Strength Low Alloy Steel
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Product name |
High Strength Low Alloy Steel Plate |
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Standard |
AISI,ASTM,DIN,JIS,GB,JIS,SUS,EN,etc. |
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Material |
Q345(B,C,D,E),Q355,Q390(B,C,D,E),Q420(B,C,D,E),Q460(C,D,E),Q500(D,E),Q550(D,E),Q620(D,E),Q690(D,E) S420N,S420NL,S450JO,S460N,S690Q,S690QL,S890Q,S890QL,S960Q,S960QL Weldox 700, Weldox 900, Weldox 960, Weldox 1100 A572Gr42,A572Gr50,A572Gr60,,A573Gr65,A573-Gr70 S275(JR,JO,J2,J2G3,J2G4),S355(JR,JO,J2,J2G3,J2G4) |
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Dimension |
Thickness: 2-300mm |
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Application |
It is mainly used to make structural parts such as car girder, beam, transmission shaft and car chassis parts, which can reduce the weight of the parts. |
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Technique |
Hot-rolled, controlled rolling, normalizing or as required |
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Surface |
HIC, SSC, SPWHT, as required |
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Certification |
BV, ISO, SGS, CE |
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Payment terms |
T/T , L/C, West union and Other |
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Delivery time |
15-20 days after your deposit and depend on quantity |
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Remarks |
Upon the final quantity you demand |
Enhanced Strength: Alloying elements like chromium and molybdenum increase the tensile strength of steel, making it suitable for high-stress applications.
Improved Hardness: Elements such as carbon and vanadium enhance the hardness of steel, allowing it to resist deformation and wear.
Increased Toughness: Nickel and manganese improve the toughness of steel, enabling it to absorb energy and withstand impacts without breaking.
Corrosion Resistance: Chromium and silicon enhance the steel's resistance to rust and corrosion, extending its lifespan in harsh environments.
Heat Resistance: Elements like molybdenum and tungsten improve the steel's ability to retain strength and stability at high temperatures.

Surface Treatment of High Strength Low Alloy Steel
– Carburizing: This process adds carbon to the steel surface at high temperatures, increasing surface hardness while maintaining the core's ductility. Carburizing is often used for machinery parts requiring high wear resistance, such as gears, camshafts, and screws.
– Quenching: After heating to high temperatures, the steel is rapidly cooled (quenched) to increase hardness. This method is suitable for applications requiring high strength, such as knives, cutting tools, and machine parts.
– Grinding: This process uses grinding stones or tools to remove surface material, flattening and shaping the steel surface. Grinding is commonly used in final machining stages to produce smooth, precise surfaces.
– Polishing: Polishing uses fine abrasives to create a shiny, reflective steel surface. This process is often applied to products needing high aesthetic appeal, such as jewelry, high-end household items, and interior details.
Packaging & Shipping

Payment Terms
T.T with 30% downpayment, 70%before shipment.
Paypal or West Union also accept.
FAQ
Gnee Steel (Tianjin) Co., Ltd. is one of the leading high strength low alloy steel manufacturers and suppliers in China. We warmly welcome you to buy high-grade high strength low alloy steel for sale here and get free sample from our factory. All customized products are with high quality and low price.
Channel sections, 304 Channel, hsla steel



















