SNB7 - JIS G 4107-2007

Grade	SNB7
Corresponding Standard	JIS G 4107-2007 Alloy Steel Bolting Materials for High Temperature Service
Brand/Supplier	Japan -> JFE Steel
Classification	Alloy Steel

SNB7 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.38	0.2	0.75	-	-	0.8	0.15
Maximum Value	0.48	0.35	1	0.04	0.04	1.1	0.25

SNB7 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
Bar, Wire, Bolt; d≤63	Normalizing + Tempering or Quenching + Tempering	≥860	≥725	≥16	≥50
Bar, Wire, Bolt; 63<d≤100	Normalizing + Tempering or Quenching + Tempering	≥800	≥655	≥16	≥50
Bar, Wire, Bolt; 100<d≤120	Normalizing + Tempering or Quenching + Tempering	≥690	≥520	≥18	≥50

Approximate Comparison Table Structural Alloy Steel

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