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High Grade Q345B 200*150mm carbon steel welded galvanized Steel H Beam for construction
Due to the above advantages, H-beams are widely used, mainly used for: various civil and industrial building structures; various large-span industrial plants and modern high-rise buildings, especially industrial plants in areas with frequent seismic activity and high temperature working conditions; requirements Large-scale bridges with large bearing capacity, good section stability and large span; heavy equipment; highways; ship skeletons; mine support; foundation treatment and dam engineering; various machine components.
Chemical composition
Grade | C(max) | Mn(max) | P(max) | S(max) | Si(max) | Cr(max) | Ni(max) | Mo(max) |
201 | 0.15 | 5.5-7.5 | 0.06 | 0.03 | 1 | 16-18 | 3.5-5.5 | - |
304 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18-20 | 8-10.5 | - |
304L | 0.03 | 2 | 0.045 | 0.03 | 1 | 18-20 | 8-12 | - |
316 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16-18 | 10-14 | 2-3 |
316L | 0.03 | 2 | 0.045 | 0.03 | 1 | 16-18 | 10-14 | 2-3 |
321 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 17-19 | 9-12 | - |
1.Construction field, ships building industry;
2.Petroleum & chemical industries, war and electricity industries;
3.Food processing and medical industry;
4.Boiler heat exchanger, machinery and hardware fields.
Our advantage:
1.Online service:If you have any questions about aspects of stainless steel or want to get a free sample, please send us your inquiry, we will get back to you within one business day,
2. Best price: We have our own factory, all products in accordance with ex-factory price, cheap, and the quality of high quality.
3. ISO Certified: Our business philosophy is Total Quality Management, from monitoring our own performance to strategic planning and results measurement.
4. Quick Delivery: Buyer will be kept informed of the order production progress. Best delivery and direct shipping line.Short lead times of 5 days or less available on most items.