S46910 - ASTM A564/A564M-2019 - H2ABC

中文版

USA UNS	S46910
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	Ti	Al
Minimum Value	-	-	-	-	-	11	8	1.5	3	0.5	0.15
Maximum Value	0.03	0.7	1	0.03	0.015	13	10	3.5	5	1.2	0.5

Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Steel	Solution treatment (A): 1000~1120°C, quick quenching	≥600	≥400	≥10	HRC: ≤33 HB: ≤315
Steel	Solution treatment (A): 1000~1120°C, quick quenching + Cold work hardening (CW-1/2 hard)	≥900	≥750	≥8	HRC: ≤40 HB: ≤380
Steel	Solution treatment (A): 1000~1120°C, quick quenching + Cold work hardening (CW-hard)	≥1300	≥1200	≥3	HRC: ≤55 HB: ≤580
Steel	Cold working hardening (CW-1/2 hard) + Aging 475°C hold for 1 hour, air cooling	≥1690	≥1500	≥6	HRC: ≤48 HB: ≤456
Steel	Cold working hardening (CW-hard) + Aging 475°C hold for 1 hour, air cooling	≥2205	≥2005	≥2	HRC: ≤55 HB: ≤561

Approximate Comparison Table Precipitation Hardening Stainless Steel

China		United States	International Organization for Standardization		European Standard
GB	ISC	UNS	ISO	Numerical Grade	Numerical Grade
022Cr12Ni9Mo4Cu2AlTi GB/T 20878-2024	S51293	S46910 ASTM A959	X2CrNiMoCuAlTi12-9-4-3 ISO 15510	4645-469-10-U	(1.4645)

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