N09925 - API 6ACRA-2025 - H2ABC

中文版

	N09925
Corresponding Standard	API 6ACRA-2025 Age-Hardened Nickel-Based Alloys for Oil and Gas Drilling and Production Equipment
Classification	Nickel and Nickel Alloys
Properties	Corrosion Resistance High-Temperature Resistance

Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	Nb	Al
Minimum Value	22	-	-	-	-	-	19.5	42	1.5	2.5	1.9	0.08	0.1
Maximum Value	-	0.025	0.35	1	0.02	0.003	22.5	46	3	3.5	2.4	0.5	0.5

Mechanical Properties

thickness t mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
t≤254	110K	Solution Annealing + Age Hardening	≥965	758~965	≥18	≥25	HRC:26~38 HBW:268~368	t＜76 L:≥47 76≤t≤254 T:≥47
t＞254	110K	Solution Annealing + Age Hardening	≥965	758~965	≥18	≥20	HRC:26~38 HBW:268~368	T:≥47

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