Low-Alloy High-Strength Steel A709Gr50
A709Gr50 high strength plate follows ASTM A709/A709M standard and is a high strength low alloy steel plate, which is widely used in engineering structures such as pressure vessels.
A709Gr50 high strength low alloy steel plate has excellent yield strength, tensile strength and good welding performance. At the same time, A709Gr50 low alloy steel material also has certain corrosion resistance and can operate stably for a long time in various environments; under low temperature conditions, its performance is still stable and reliable.
If you are satisfied with our A709Gr50 high strength low alloy steel, welcome to place an order with us. As one of the best high strength low alloy hsla steel manufacturers and suppliers in China, we have a large number of hot-selling products for you to choose from. For detailed chemical composition and free samples, please contact our factory immediately. We provide competitive prices and good services.
A709Gr50 Low-alloy High-strength Structural Steel Plate Product Details
| Use | Manufacturing plant, general building and all kinds of engineering machinery, such as mining and drilling rig used in various types of construction, power shovel, electric tip lorry, mining truck, excavators, loaders, bulldozers, various types of cranes, hydraulic support for coal mine and other machinery equipment and other components. | |||||||||
| size | 3000-12000mm*1500-4000mm*6-700mm | |||||||||
| Thickness | 6-700mm | |||||||||
| Standard | ASTM A709Gr50 | |||||||||
| Material | A709Gr50 | |||||||||
| Grades provided by GNEE |
ASTM:A573 Grade 70,A709 Grade 50,A514 Grade B,etc. ASME:SA573 Grade 70,SA709 Grade 50,SA514 Grade B,etc. EN:S355JR,S355J0,S355K2,S355N,S355J2,S420N,S460N, S460Q,S460QL,S500Q,S500QL,S550Q,S500QL,S690Q, S690QL,S690QL1,S890Q,S890QL,S890QL1,S960Q,S960QL,etc. DIN:ST52-3,etc. JIS:SS490,SS540,SM490,etc. GB:Q355B,Q355D,Q390B,Q390D,Q420B,Q420D, Q460D,Q460E,Q500D,Q500E,Q550D,Q550E, Q620D,Q620E,Q690D,Q690E,Q890D,Q890E,Q960D,Q960E,etc. |
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| Packing | According to the demand of the customer inquire | |||||||||
| Surface treatment | Hot-rolled | |||||||||
| Delivery time | According to the quantity; asap, average period in 30 days. | |||||||||
A709Gr50 HSLA Steel Plate Chemical Composition
| Grade | C | Si | Mn | P | S | Nb |
| A709Gr50 | ≤0.20 | ≤0.40 | ≤1.50 | ≤0.04 | ≤0.05 | 0.005-0.05 |
A709Gr50 Alloy Structural Steel Mechanical Properties
| Grade | σs,MPa | σb,MPa | δ200,% | 0℃ Akv,J |
| A709Gr50 | ≥345 | ≥450 | ≥18 | ≥34 |
A709Gr50 Alloy Steel Sheet Supplier Product Images
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We support multi-specification and multi-brand hot-rolled steel plate customization. If you have customized needs for low-alloy high-strength steel A709Gr50 or hot-rolled structural steel plate products, please contact us!