06Cr17Ni12Mo2 - NB /T 20007.15-2024

Grade	06Cr17Ni12Mo2
Corresponding Standard	NB /T 20007.15-2024 Stainless Steel for Pressurized Water Reactor Nuclear Power Plants - Part 15: Cold Work Hardened Austenitic Stainless Steel Bars for Reactor Internals and In-Core Measuring Seal Assembly
Classification	Austenitic Stainless Steel

06Cr17Ni12Mo2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	Co
Minimum Value	-	-	-	-	-	16	10	2	-
Maximum Value	0.08	1	2	0.02	0.01	18	14	3	0.05

06Cr17Ni12Mo2 Mechanical Properties

Grade / diameter (d/mm)	Test Temperature	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
Grade A / d≤30	room temperature	≥655	450~620	≥30	≥60	Before cold work hardening：HBW≤192； After cold work hardening：HBW≤321，HRC≤35
Grade A / d≤30		≥480	≥350
Grade A / 30＜d≤50	room temperature	≥590	450~620	≥30	≥60	Before cold work hardening：HBW≤192； After cold work hardening：HBW≤321，HRC≤35
Grade A / 30＜d≤50		≥480	≥350
Grade A / d＞50	room temperature	≥590	415~620	≥30	≥60	Before cold work hardening：HBW≤192； After cold work hardening：HBW≤321，HRC≤35
Grade A / d＞50		≥480	≥325
Grade B / d≤19	room temperature	≥760	≥655	≥15	≥60	Before cold work hardening：HBW≤192； After cold work hardening：HBW≤321，HRC≤35
Grade B / d≤19		≥564	≥432
Grade B / 19＜d≤25	room temperature	≥690	≥550	≥20	≥60	Before cold work hardening：HBW≤192； After cold work hardening：HBW≤321，HRC≤35
Grade B / 19＜d≤25		≥564	≥432
Grade B / 25＜d≤32	room temperature	≥655	≥450	≥25	≥60	Before cold work hardening：HBW≤192； After cold work hardening：HBW≤321，HRC≤35
Grade B / 25＜d≤32		≥507	≥351
Grade B / 32＜d≤38	room temperature	≥620	≥345	≥30	≥60	Before cold work hardening：HBW≤192； After cold work hardening：HBW≤321，HRC≤35
Grade B / 32＜d≤38		≥507	≥271

06Cr17Ni12Mo2 Corresponding Standards(Same grade name, different standards)

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