low alloy high strength structural steel plate (q345b/c/d/e）-k8凯发官网

1 main use
q345  low-alloy high-strength structural steel plate series with thickness  ranging from 6 to 200mm is widely used in steel structure construction,  engineering machinery, mining machinery, heavy-duty vehicles, bridges,  pressure vessels and other engineering structures, especially for  weldability and toughness. highly important construction and mechanical engineering structures are required.
2 grades and standards
grade  q345b/c/d/e; execution standard: gb/t 1591-2008 "low-alloy  high-strength structural steel" (equivalent to japanese standard  jisg3106-2008 grade sm490, european standard en10025-04 medium grade  s355jr/j0/j2 /k2)
3 technical conditions of supply
3.1 product specifications
6～200×1500～4000×lmm
3.2 chemical composition
table 1 chemical composition %

note:  b, c, d, e grade z-direction performance steel plates can be provided.  if z-direction performance is required, the steel plate s content is to  be carried out according to the gb/t5313-85 standard. the z-direction  performance steel plate is marked with the z-direction level after the  steel number.
3.3 mechanical properties
table 2 mechanical properties