05Cr19Ni10 C19 - GB /T 41157.3-2022 - H2ABC

中文版

Grade	05Cr19Ni10
China ISC	C19
Corresponding Standard	GB /T 41157.3-2022 Fasteners for Nuclear Power Plants— Part3: Bolts, Screws and Studs Made of Corrosion-Resistant Stainless Steel
Classification	Austenitic Stainless Steel

05Cr19Ni10 Chemical Element Composition Content (%)

Component	C	Si	Mn	P ^①	S ^①	Cr	Ni	Cu ^②
Minimum Value	-	-	-	-	-	17	9	-
Maximum Value	0.06	1	2	0.03	0.015	20	12	1

05Cr19Ni10 Mechanical Properties

product	Test Temperature	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
Bolts, Screws, Studs	Room Temperature	Solid Solution Treatment	≥520	≥210	≥0.6d	HBW: 126~192 HRC: 60~90 HV: 127~196	-
Bolts, Screws, Studs		Solid Solution Treatment		≥125
Bolts, screws, studs; d≤20	Room Temperature	Unprocessed Work-Hardening	≥760	≥655	≥0.3d	HBW: ≤320 HRC: ≤35 HV: ≤334	≥50
Bolts, screws, studs; 20<d≤24	Room Temperature	Unprocessed Work-Hardening	≥690	≥550	≥0.4d	HBW: ≤320 HRC: ≤35 HV: ≤334	≥50
Bolts, screws, studs; 24<d≤33	Room Temperature	Unprocessed Work-Hardening	≥655	≥450	≥0.4d	HBW: ≤320 HRC: ≤35 HV: ≤334	≥50
Bolts, screws, studs; 33<d≤39	Room Temperature	Unprocessed Work-Hardening	≥620	≥350	≥0.4d	HBW: ≤320 HRC: ≤35 HV: ≤334	≥50
Bolts, screws, studs; d≤20		Unprocessed Work-Hardening		≥510
Bolts, screws, studs; 20<d≤24		Unprocessed Work-Hardening		≥440
Bolts, screws, studs; 24<d≤33		Unprocessed Work-Hardening		≥350
Bolts, screws, studs; 33<d≤39		Unprocessed Work-Hardening		≥270

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