Ningbo q345b seamless steel pipe | Katherine source pipe | seamless steel pipe provided by the Chaoyang q345b Pipe Co., Ltd. Liaocheng Katherine source. Source Pipe Co., Ltd. Liaocheng trillion (www.lczygg.com) is specialized in "Q345b seamless steel pipe, 35crmo seamless steel pipe, 42crmo seamless" business, companies adhering to the "honesty, hard service" concept, for you provide the highest quality products and services. Welcome to inquire! Contact: Manager Wu. 16Mn seamless steel pipe in one material for ABCD represents quality grade Q235 quality level is divided into A, B, C, D four q345b seamless steel tubes, from A to D represents quality from low to high. Different quality level requirements are as follows: A-- provide S, P, C, Mn, Si chemical composition and fu, fy, δ5 (δ10), need to provide 1800 cold bending test according to the buyer, but no impact energy provides carbon content and manganese content is not as delivery conditions. B-- provide S, P, C, Mn, Si chemical composition and fu, fy, δ5 (δ10) Ningbo q345b seamless steel tubes, cold-formed 180 'trials. Also provides + 200C when the impact energy Ak≥27J C-- same except with the Class B requirements, but also provides 00C impact energy Ak≥27J. D ---- the same except with the Class B requirements, but also provides impact energy when -200C Ak≥27J E-- same except with the Class B requirements, but also provides -400C impact energy Ak≥27J. 16mn precision steel is a low alloy high strength structural steel q345b seamless steel pipe prices, carbon content of 0.1% -0.25%, to join the main alloying elements manganese, silicon, vanadium, niobium and titanium; its total alloy containing <3% . 300,350,400 divided by strength and 450MPa and other four levels. There are Q295, Q345, Q390, Q420, Q460. : "Q" is the yield to "bend" the word Pinyin big write head, the subsequent figures for grades smallest yield point (σs) value. Company can build all kinds of special specifications, special materials seamless, timely delivery, low price, excellent quality, with a book or a copy of the original material, holiday business as usual, and charge d'affaires Automotive, fire, transportation, the amount of they can be directly shipped in steel mills. Also accept settlement in this, the company manager with the staff q345b seamless steel stock, will be with a good reputation and solid strength, quality products, low prices and services to customers. The company has always given the honor for the care and support with the help of new and old friends and customers to express my heartfelt thanks! We sincerely hope to establish long-term cooperative relations of mutual benefit and common development.