Q420B high strength plate
Q420B HSLA Steel Plate Product Introduction
The Q420B high tensile steel offered by GNEE belongs to low alloy high strength structural steel plate, the Q420B high strength alloy steel we offer is in the implementation standard of; GB/T1591-2018 special technical conditions.
The Q420B high strength low alloy steel plate we offer has high strength, high toughness and welding and other high quality properties, the Q420B we offer can provide size customisation, cutting, welding, punching and other processing services according to your end-use demand for Q420B low alloy steel plate products.
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Product Name |
High-strength steel plate |
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Length |
as required or as required |
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Width |
0.6m-3m or as required |
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Thickness |
3mm-100mm or as required |
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Standard |
AISI,ASTM,DIN,JIS,GB,JIS,SUS,EN |
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Application |
Mainly used in mines, construction machinery, vehicles, hydraulic equipment, transmission equipment and high-strength equipment, |
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Delivery time |
Within 15-20 workdays after receiving deposit or L/C |
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Payment |
T/T L/C, Western Union |
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Material |
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,A572Gr42,A572Gr50,A572Gr60,A573Gr65, A573-Gr70,S355(JR,JO,J2,J2G3,J2G4),etc. |
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Export packing |
Waterproof paper, and steel strip packed. |
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Q420B high tensile steel sheet Product Details
Q420B High Strength Steel Sheet(HSLA) Chemical Composition & Mechanical Properties:
| Grade | C % | Si % | Mn | P % | S % | |
| Q420B | ≤ 0.20 | ≤ 0.55 | 1.00-1.70 | ≤ 0.040 | ≤ 0.040 | |
| Grade | Thickness | Yield Strength (Mpa) | Tensile Strength | Elongation(%) | Impact Energy | |
| (mm) | (MPa) | Min | ||||
| Q420B | ≤16 | 420 | 520-680 | 18 | 20 | 34 |
| >16-35 | 400 | 520-680 | 18 | 20 | 34 | |
| >35 | 380 | 520-680 | 18 | 20 | 34 | |
Q420B high tensile alloy steel Product Image
Q420B low alloy steel sheet Product Transportation
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With our efficient regulatory system and professional experience, we provide efficient and considerate service to our global customers. Our company will, as always, be honest and pragmatic, maintain, consolidate and promote the national brand, and provide high-quality goods and first-class service to our global customers. We sincerely hope to be your supplier and partner in China.
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If you have more needs and questions about Q420B high strength plate, we are happy to advise you!
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