Q420 High Strength Steel Plate
low alloy steel Product Introduction
The Q420 high strength alloy steel produced by GNEE is a low alloy high strength structural steel, and the implementation standard is GB1591-2008. The Q420 hsla structural steel we provide has passed the quality certification, can provide quality certificates, and accept third-party testing.
The grades of Q420 high strength low alloy hsla steel we produce are divided into A, B, C, D, and E. You can choose the corresponding grade according to your different product usage requirements. The Q420 high strength steel we provide has high strength, fatigue resistance, high toughness, cold forming and welding performance. At the same time, the Q420 high tensile steel we produce also has good corrosion resistance and certain wear resistance.
low alloy steel material Product Details
Q420 High Strength Low Alloy Steel Chemical Composition:
| Steel Grade | Grade | C (≤) | Si (≤) | Mn (≤) | P (≤) | S (≤) | Nb (≤) | V (≤) | Ti (≤) | Cr (≤) | Ni (≤) | Cu (≤) | N (≤) | Mo (≤) |
| Q420 | Q420A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.20 | 0.20 | 0.30 | 0.80 | 0.30 | 0.015 | 0.20 |
| Q420B | 0.035 | 0.035 | ||||||||||||
| Q420C | 0.030 | 0.030 | ||||||||||||
| Q420D | 0.030 | 0.025 | ||||||||||||
| Q420E | 0.025 | 0.020 |
Q420 High Strength Low Alloy Equivalent Grade Standard:
| China | USA | Germany | Japanese | France | UK | ||||||
| Standard | Grade | Standard | Grade | Standard | Grade | Standard | Grade | Standard | Grade | Standard | Grade |
| GB/T 1591 – 2008 | Q420A | ASTM A572M, ASTM A633M |
Gr.60, Gr.E |
NF A36-201 | E420-1 | ||||||
| GB/T 1591 – 2008 | Q420B | ASTM A572M, ASTM A633M |
Gr.60, Gr.E |
DIN EN 10113-2, DIN EN 10113-3 |
S420NL, S420ML |
JIS G3124 | SEV295, SEV345 |
NF EN 10113-2, NF EN 10113-3 |
S420NL, S420ML |
BS EN 10113-2, BS EN 10113-3 |
S420NL S420ML |
| GB/T 1591 – 2008 | Q420C | ASTM A678M, ASTM A656M |
Gr.B, TyPe7 |
DIN EN 10113-2, DIN EN 10113-3 |
S420NL, S420ML |
JIS G3124 | SEV295, SEV345 |
NF EN 10113-2, NF EN 10113-3 |
S420NL, S420ML |
BS EN 10113-2, BS EN 10113-3 |
S420NL S420ML |
| GB/T1591 – 2008 | Q420D | ASTM A678M, ASTM A656M |
Gr.B, TyPe7 |
DIN EN 10113-2, DIN EN 10113-3 |
S420NL, S420ML |
JIS G3124 | SEV295, SEV345 |
NF EN 10113-2, NF EN 10113-3 |
S420NL, S420ML |
BS EN 10113-2, BS EN 10113-3 |
S420NL S420ML |
| GB/T1591 – 2008 | Q420E | ASTM A678M, ASTM A656M |
Gr.B, TyPe7 |
DIN EN 10113-2, DIN EN 10113-3 |
S420NL, S420ML |
JIS G3124 | SEV295, SEV345 |
NF EN 10113-2, NF EN 10113-3 |
S420NL, S420ML |
BS EN 10113-2, BS EN 10113-3 |
S420NL S420ML |
low alloy steel plate Product Image
GNEE Group Team Photo
GNEE is a alloy steel plate supplier with sixteen years of production experience. We have strong market control capabilities. The company adjusts inventory in a timely manner according to market demand and has sufficient supply to ensure that it meets the needs of market customers. Our sales network spans the world and has been exported to more than 200 countries including the United States, Mexico, Canada, Spain, Singapore, Thailand, and India.
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