S45503 - ASTM A564/A564M-2019 - H2ABC

中文版

USA UNS	S45503
Corresponding Standard	ASTM A564/A564M-2019(a) Standard Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
Classification	Precipitation-Hardening Stainless Steel
Properties	Corrosion Resistance

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti	Nb
Minimum Value	-	-	-	-	-	11	7.5	1.5	-	-	1	0.1
Maximum Value	0.01	0.2	0.5	0.01	0.01	12.5	9.5	2.5	0.5	0.01	1.35	0.5

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 %	Hardness HBW
Steel	Solution treatment (A): 830±15°C, quick quenching					HRC: ≤36 HB: ≤331
Steel; t≤150 (longitudinal)	Quenching and/or aging (H900): 480°C, hold for 4h, air cooling	≥1620	≥1520	≥8	≥30	HRC: ≥47 HB: ≥444
Steel; t≤150 (Transverse)	Quenching and/or aging (H900): 480°C, hold for 4h, air cooling	≥1620	≥1520	≥4	≥15	HRC: ≥47 HB: ≥444
Steel; t≤150 (longitudinal)	Quenching and/or aging (H950): 510°C, hold for 4h, air cooling	≥1515	≥1410	≥10	≥40	HRC: ≥44 HB: ≥415
Steel; t≤150 (Transverse)	Quenching and/or aging (H950): 510°C, hold for 4h, air cooling	≥1515	≥1410	≥5	≥20	HRC: ≥44 HB: ≥415
Steel; t≤150 (longitudinal)	Quenching and/or aging (H1000): 540°C, hold for 4h, air cooling	≥1410	≥1275	≥10	≥40	HRC: ≥40 HB: ≥363
Steel; t≤150 (Transverse)	Quenching and/or aging (H1000): 540°C, hold for 4h, air cooling	≥1410	≥1275	≥6	≥25	HRC: ≥40 HB: ≥363

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