Q550B steel is a low-alloy high-strength structural steel grade. Steel Q550A is not required for impact toughness test; Q550B is for impact toughness test at room temperature (20℃); Q550C is for 0℃ impact toughness test; Q550D is for impact toughness test at -20℃; Q550E grade is for impact toughness test Make impact toughness test at -40℃. The impact toughness test uses Charpy V-notch specimens. The impact toughness index is Akv.
, GB/T 16270 Q460C heavy plate is a high strength structural steel grade in quenched and tempered condition. Product stock size(mm) 6*2140*13000, 6*2080*8400, 45*1580*4900, 16*2200*9600, 12*2530*4100, 26.2*3082*4500, 16*1800*10000, 6*2160*8600, 14.5*2800*6400, 20*1600*12600, 6*2140*11500, 6*1590*8600, 22*1800*6000, 25*1800*8229, 12*2200*4300, 6*2080*8700,28.58*4343*12300, 40*2500*3400, and 81*2180*5000.
As one of the large professional metallurgical manufacturers in China, the strength of the brand, quality assurance, professional after-sales. Every day we are making unremitting efforts to challenge higher quality products and more satisfactory services. Customer demand is our pursuit, and win customer satisfaction with quality. BBN after-sales team is responsible to solve the problem of technical support and quality, service complaints.
Our hot rolled mild steel sheets offer excellent corrosion resistance property in the server’s environments. The mild steel sheets provide high resistance to nitric and chloride corrosion in sulfide solutions. These SA283 GrC carbon steel plates offer high strength, tensile, yield, mechanical strength, ductility, hardness, toughness, etc Mild steel sheet is worked very easily in a high-temperature application and show excellent resistance to chloride crossing and cracking stress,API 5L X46 PSL2 pipeline steel coil.
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