Square steel billet

GB:chemical component GB1499-1998,size and dimension YB/T2011-2044

Specification : 100*100,120*120,130*130,140*140,150*150,160*160.

Length:6m,9m, 12m

Material:Q195 Q235B

Material standard

Section tolerance:square billet:+1.0/-2.0----+3.0/-1.0mm plate billet:thickness:+/-2.0MM thickness:+/-3.0MM

Length tolerance:+/-200MM

Section diagonal tolerance: 3.5-8.0MM

Square section dimension protrusions requirements: <1242MM, Not allowed;=1242MM, <=2MM >1242MM, <=3MM

Break end(cut) expanded deformation <1242MM

Square billet:not control; plate billet: <=10MM

Surface tilt:less than section 0.1

curvature:each 1M less than 10MM

torsion resistance:length <=5M, <=11.; length<=7.5M, <=5.

material 3SP/PS chemical component%:C 　Mn 　Si　 S 　P