S420ML structural steel plate is European standard high-strength steel, which complies with EN10025-4 specifications. S420ML steel has good mechanical properties and process performance, high hardenability. The vanadium is added to refine the grain of S420ML steel, reduce overheating sensitivity, improve strength and toughness. Material S420ML has high fatigue strength, and high yield ratio, but its weldability is poor and the plasticity due to cold deformation is relatively low.
S420ML structural steel plate is mainly used for the production of important mechanical parts. S420ML material is used in bridges, sluices, water storage tanks and water supply tanks.
Thermomechanically rolled S420ML structural steel plate chemical composition of the ladle analysis:
| EN10025-4 | Steel number | C | Si | Mn | P | S | Nb | V | Al(total) | Ti | Cr | Ni | Mo | Cu | N |
| S420ML | 1.8836 | 0.16 | 0.50 | 1.70 | 0.025 | 0.020 | 0.05 | 0.12 | 0.02 | 0.05 | 0.30 | 0.80 | 0.20 | 0.55 | 0.025 |
Thermomechanically rolled S420ML structural steel plate mechanical properties at ambient temperature:
| EN10025-4 | Yield strength Mpa | Tensile strength Mpa | Elongation | |||||||||
| Thickness (mm) | ≤16 | 16-40 | 40-63 | 63-80 | 80-100 | 100-120 | ≤40 | 40-63 | 63-80 | 80-100 | 100-120 | (%) |
| S420ML | 420 | 400 | 390 | 380 | 370 | 365 | 520-680 | 500-600 | 480-640 | 470-630 | 460-620 | 19 |
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Henan BEBON Iron & Steel Co., Ltd was founded in 2000, which initially focus on providing high-quality steel products to serve for China's rapid infrastructure development. Based on the advantages of steel resources in domestic market and good reputation, combining with the huge international market demand for steel products, BEBON started the international business in 2010 and successfully being approved and certified by ISO9001:2008, the Registration number is 626014Q11531R0S. With the quality steel products and professional service, BEBON was award the international acclaim from infrastructure, shipbuilding, petroleum industry etc., and gradually grow into a bright star in the steel export industry .
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