Grade SUS630-HR
Corresponding Standard JIS G 4311-2019
Heat-Resisting Steel Bars and Wire Rods
Classification Precipitation-Hardening Stainless Steel
Properties Corrosion Resistance
Density 7.78 g/cm3
SUS630-HR Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Nb
Minimum Value - - - - - 15 3 3 0.15
Maximum Value 0.07 1 1 0.04 0.03 17.5 5 5 0.45
SUS630-HR Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
Bar; d≤75mm Solution Heat Treatment (S) ≤363
Bar; d≤75mm Precipitation Hardening (H900) ≥1310 ≥1175 ≥10 ≥40 ≥375
Bar; d≤75mm Precipitation Hardening (H1025) ≥1070 ≥1000 ≥12 ≥45 ≥331
Bar; d≤75mm Precipitation Hardening (H1075) ≥1000 ≥860 ≥13 ≥45 ≥302
Bar; d≤75mm Precipitation Hardening (H1150) ≥930 ≥725 ≥16 ≥50 ≥277
SUS630-HR Corresponding Standards(Same grade name, different standards)

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