NCF625TB - JIS G 4904-2017 - H2ABC

中文版

Grade	NCF625TB
Corresponding Standard	JIS G 4904-2017 Seamless nickel-chromium-iron alloy heat exchanger tubes
Classification	Nickel and Nickel Alloys
Properties	Corrosion Resistance

NCF625TB Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	P	S	Cr	Ni ^*	Mo	Ti	Al	More
Minimum Value	-	-	-	-	-	-	20	58	8	-	-	Nb+Ta: 3.15~4.15
Maximum Value	5	0.1	0.5	0.5	0.015	0.015	23	-	10	0.4	0.4	Nb+Ta: 3.15~4.15

NCF625TB 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 pipe	Solid Solution Treatment	≥690	≥275	≥30	≤100
Steel pipe	Annealing	≥820	≥410	≥30	HRC ≤92
Steel pipes; 1<t≤2	Annealing or Solution Heat Treatment			≥21
Steel pipe; 2<t≤3	Annealing or Solution Heat Treatment			≥22
Steel pipe; 3<t≤4	Annealing or Solution Heat Treatment			≥24
Steel pipe; 4<t≤5	Annealing or Solution Heat Treatment			≥26
Steel pipe; 5<t≤6	Annealing or Solution Heat Treatment			≥27
Steel pipe; 6<t≤7	Annealing or Solution Heat Treatment			≥28
Steel pipe; 7 < t < 8	Annealing or Solution Heat Treatment			≥30

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!