Spherical steel with hardened and tempered 
 07MnCrMoVR, 07MnNiMoVDR used for large storage tanks, large spherical tank and oil platforms, construction of major projects. 07MnCrMoVR, 07MnNiMoVDR hardened and tempered with a diverse micro-alloying treatment, vacuum treatment of liquid steel, inclusion modification and low speed and high pressure steel rolling and controlled rolling and cooling and many other new techniques and new technology. In ensuring the steel has high purity, high strength, high toughness and good welding performance, based on the base metal by welding before quenching the reasonable, to meet the requirements of low sensitivity to weld cracking. 
 07MnCrMoVR, 07MnNiMoVDR has good robust performance, good weldability, good internal quality, good anti-HIC and hydrogen sulfide corrosion resistance to meet the requirements of low weld crack sensitivity characteristics. 
 Details: 07MnCrMoVR, 07MnNiMoVDR Technical delivery conditions for steel 
 ? Wugang 07MnCrMoVR, 07MnNiMoVDR steel organize production in accordance with GB19189-2003, and further reduce the phosphorus and sulfur content. 
 ? Availability Specifications thickness 8-60mm, width 1500-3800mm, length 6000-18000mm. 
 ? Weld crack sensitivity composition Pcm <= 0.21 
 ? 炲 refining method: EAF + Refining + furnace refining vacuum. 
 ? Delivery Status: quenching and tempering. 
 ? Ultrasonic testing found GBJB4730 in a detection. 
 Some of the specifications in stock, please be rolling! 
 Thank you for your interest!