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Grade N04400
Corresponding Standard ASTM B163-2019
Standard Specification for Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes
Classification Nickel and Nickel Alloys
N04400 Chemical Element Composition Content (%)
Component Fe C Si Mn S Ni Cu
Minimum Value - - - - - 63 28
Maximum Value 2.5 0.3 0.5 2 0.024 - 34
N04400 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Tube Annealing ≥483 ≥193 ≥35
Tube Stress Relief ≥586 ≥379 ≥15 HRB≤75*
Approximate Comparison Table Corrosion-Resistant Alloy
China United States Germany
GB ISC Commercial Grade UNS DIN EN/DIN W-Nr.
NS 6400
Ni68Cu28Fe 		H 04400 Monel 400 N 04400 NiCu30Fe 2.4360
N04400 Corresponding Standards(Same grade name, different standards)
1 ASTM B 564-2004
N04400
2 SAE J 470c-1976
N04400 Monel alloy 400 Monel 400
3 ASTM F468-2012
N04400 F468U Ni 400
4 ASTM F467M-2006(R2012)
N04400 F 467MU Ni 400
5 ASTM F468M-2006(R2012)
N04400 F468MU Ni 400
6 GB /T 21653-2008
N04400 NCu30 NW4400 30镍铜合金
7 GB /T 26030-2010
N04400 NiCu30 NW4400
8 ASTM B163-2019
N04400
9 ASTM B164-2003(R2014)
N04400 Monel 400
10 ASTM F468-2023
N04400 F468 Ni400HF
11 ASTM B127-2005(R2014)
N04400 Monel400
12 ASTM F96-1977(R2015)
N04400 65Ni-35Cu
13 ASTM B 564-2025
N04400

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