Y15Sn U74152 - GB /T 8731-2008

Grade	Y15Sn
China ISC	U74152
Corresponding Standard	GB /T 8731-2008 Free-Cutting Structural Steel
Classification	Carbon Steel

Y15Sn Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Sn
Minimum Value	0.13	-	0.4	0.03	-	0.09
Maximum Value	0.18	0.15	0.7	0.07	0.05	0.25

Y15Sn Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
d=20 (Sample Diameter)	Hot Rolled Delivery Condition	390~540	≥22	≥36	≤165
d = 8~20 (steel size)	Cold Drawn State Delivery	530~755	≥7		152~217
d > 20 ~ 30 (steel size)	Cold Drawn State Delivery	510~735	≥7		152~217
d > 30 (steel size)	Cold Drawn State Delivery	490~685	≥7		152~217

Y15Sn Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!