SUH3 - JIS G 4311-2019

Grade	SUH3
Corresponding Standard	JIS G 4311-2019 Heat-resisting steel bars and wire rods
Classification	Martensitic Stainless Steel
Properties	Corrosion Resistance

SUH3 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.35	1.8	-	-	-	10	-	-	0.7
Maximum Value	0.45	2.5	0.6	0.03	0.03	12	0.6	0.3	1.3

SUH3 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Rod	Annealing					≤269
bar; d ≤ 25mm	Quenching + Tempering	≥930	≥685	≥15	≥35	≥269	≥20
Bars; 25<d≤75mm	Quenching + Tempering	≥880	≥635	≥15	≥35	≥262	≥20

1 Approximate Comparison Table Martensitic Heat-Resistant Steel

2 Approximate Comparison Table Valve Steel

SUH3 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"!