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S355J2+N Q345 H Steel Beam
Products Description
Q345 is a steel material. It is a low alloy steel (C < 0.2%), widely used in construction, bridges, vehicles, ships, pressure vessels, etc. Q stands for the yield strength of this material. The latter 345 is the yield value of this material, which is about 345 MPa. The yield value will decrease with the increase of material thickness.
S355J2+N is a kind of EN10025 European standard steel plate, compared with the national standard GB/T1591-2007, GB/T3274-2008 Q345D, its delivery status is normalized, the impact is -20 degree impact experiment, J2 requires negative 20 degree impact. As for the latter +N means that it is equivalent to normalizing rolling rather than that it must be normalized, which is just a method of naming the steel number in the standard.
EN 10025 S355J2 N Plate Dimensions Standard:
| Item | S355J2+N – Offshore & Structural Steel Plate |
| Length | 3000 milimeter – 18000 milimeter |
| Thickness | 5 milimeter – 150 milimeter |
| Technique | Hot rolled |
| Width | 1000 milimeter – 4500 milimeter |
| Standard | EN 10025-2:2004 |
| Material | En 10025-2 Steel Plate, S355J2+N Steel Plate |
EN 10025 S355J2+N Plates Equivalent Grades :
| Grade | DIN | ASTM | EN | JIS |
| EN 10025 S355J2+N | 17100
St52-3N |
A572-50 | 10025-2:2004
S355J2+N |
G3106
SM490YB |
| Grade
S355J2+N |
C % | Si % | Mn % | P % | S % | N % | Cu % |
| + 0,02 | 0.600 | 1.700 | 0.035 | 0.035 | … | 0.060 |
It is non-alloyed steel which has a higher content of carbon within itself due to which it has a number of beneficial properties that are highly required by the industry. It can be welded easily and hence provides excellent weld ability. Furthermore, it is easy to join it with the various other parts as well. It has other beneficial and noteworthy properties as well such as being high in terms of the tensile strength and that is why they get a highly rigid structure as well that prevents this amazing g product from being ruptured and it can easily bear a high wear and tear crisis as well.
It is also excellent when it comes to the ability of cold forming and hence it is extremely beneficial for the industry since it has such a large number of properties that makes it a great product for the various uses and applications in the industry. We also conduct a number of tests on these products so that we can ensure that they are bets in class and are the top guns in terms f of quality.
Chemical Property
Chemical composition of Q345
| Name | Grade | Chemical Composion% | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| C≤ | Mn | Si≤ | P≤ | S≤ | V | Nb≤ | Ti | Al≤ | ||
| Q345 | A | 0.20 | 1.00-1.60 | 0.55 | 0.045 | 0.045 | 0.02-0.15 | 0.015-0.060 | 0.2 | |
| B | 0.20 | 1.00-1.60 | 0.55 | 0.040 | 0.040 | 0.02-0.15 | 0.015-0.060 | 0.2 | ||
| C | 0.20 | 1.00-1.60 | 0.55 | 0.035 | 0.035 | 0.02-0.15 | 0.015-0.060 | 0.2 | 0.015 | |
| D | 0.18 | 1.00-1.60 | 0.55 | 0.030 | 0.030 | 0.02-0.15 | 0.015-0.060 | 0.2 | 0.015 | |
| E | 0.18 | 1.00-1.60 | 0.55 | 0.025 | 0.025 | 0.02-0.15 | 0.015-0.060 | 0.2 | 0.015 | |
Notes: The P and S contents of profiles and bars can be increased by 0.005%, and the upper limit of Grade A steel can be 0.0045%.
Products Details
| Product Name | S355J2+N Q345 H steel beam |
| Length |
based on demand |
| Shape | H |
| Standards | JIS, ASTM, GB, EN,etc. |
| Packing | in bundle, packed with steel belts tightly |
| Surface | Painted; Galvanized; Weld |
| Origin | China |
| Price Term | FOB, CIF, EXW,DDP, etc. |
| Delivery Time | 3-30 days,according to your quantity |

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About us
We are experts in the supplying of materials to meet the individual requirements of a project, regardless of size, scope or difficulty. As a specialized supplier of highly qualified products such as Seamless/Welded Pipe and Tube, Plate and Equipment for industries such as Pressure Vessel, Heat Exchanger. We mainly service for industry of Oil & Gas, Petrochemical, Power Generation, Onshore & Offshore and other industry and energy field over the world.The services and support we provide are tailored to the needs of a particular customer and project, and are driven by in-depth knowledge of the products, and we are aware of the importance of high quality, on-time delivery and the pressures of meeting fabrication schedules, and also the importance of accurate and up-to-date reporting.Since our establishment, we have been servicing our customers and the projects in Canada, South America, Southeast Asia, Central Asia, Middle East, South Africa, North Africa and North Europe market.
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