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NiMo28 | 2.4617 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification Application temperature [°C]
2.4617 (DIN 17744 : 2002-09) NiMo28 2.4617 DIN 17744 : 2002-09 DIN 17744 : 2002-09 replaced by DIN 17744 : 2020-12 Replaced Germany NiMo28 3.4 -196 - 400 1)
1) Remark: According to VdTÜV-Wbl 436 : 2002-09, the material NiMo28 with the material number 2.4617 is used for pressure vessels according to TRB 100 and, with interpreting the AD-Merkblatt editions W 2 and W 10 faithfully to their meaning, for temperatures from -196 to 400 degrees. Furthermore, the highly corrosion-resistant nickel-base alloy is used for ranges of applications in nuclear engineering as far as the rules of nuclear engineering or the object-related specifications permit the use of - 196 to 400 °C. In the approved dimension range, the material is suitable for welding by means of the metal arc method, the tungsten inert-gas and the MIG method. A preheating ought to be dispensed with, attention should be paid to a low heat input and a fast dissipation of welding heat. Welding fillers that are similar to the base metal are recommended (2.4615 for welding rod and wire electrode, 2.4616 for sheathed stick electrode). As a rule, a heat treatment after the welding is not necessary. The following is valid for the material according to DIN 17744 : 2002-09: NiMo28 is applied for corrosion-resistant construction components in the form of strips, sheets, tubes, bars, wires and forgings. The alloy possesses considerable corrosion-resistance in reducing mediums, excellent resistance to pure sulphuric acid of medium concentration and to some non-oxidizing acids, good resistance to stress cracking corrosion that is caused by chlorides, and to a number of organic acids. The material is specially resistant to hydrochloric acid in wide ranges of temperature and concentration as well as to acetic and phosphoric acid. NiMo28S shows a very low content of carbon and silicium in order to ensure good corrosion properties in the welded condition, too. It also possesses excellent resistance to pitting and knife line corrosion. NiMo28 is widely applied in the chemical industry, specially with processes containing sulphuric, hydrochloric, phosphoric or acetic acid. Particularly typical fields of application are the production of styrene, bisphenol, chloroprene and acetic acid. Processing properties: Formability: good Weldability: good

Chemical Composition

C [%] Co [%] Cr [%] Cu [%] Fe [%] Mn [%] Mo [%] P [%] S [%] Si [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Strength Abbrevation Nominal Size [mm] Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Yield Strength (1.0% offset) [MPa] Elongation A [%] Hardness HB | HBW
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Physical Properties

Temperature [°C] Melting Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)]
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Welding and Joining

Procedure Welding and Joining - Evaluation Interpass Temperature [°C] Added Materials
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Heat Treatment

Heat Treatment Nominal Size [mm] Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
NS 322 China GB T 15007
NiMo28 International ISO 9722
N10665 USA UNS
SB-333 UNS N10665 USA ASME SB-333
SB-335 UNS N10665 USA ASME SB-335
SB-366 UNS N10665 USA ASME SB-366
SB-619 UNS N10665 USA ASME SB-619
SB-622 UNS N10665 USA ASME SB-622
SB-626 UNS N0665 USA ASME SB-626
ERNiMo-7 USA ASME SFA5.14
B333 UNS N10665 USA ASTM B333
B335 UNS N10665 USA ASTM B335
B366 UNS N10665 USA ASTM B366
B462 UNS N10665 USA ASTM B462
B472 UNS N10665 USA ASTM B472
B564 UNS N10665 USA ASTM B564
B619 UNS N10665 USA ASTM B619
B622 UNS N10665 USA ASTM B622
B626 UNS N10665 USA ASTM B626
ERNiMo-7 USA AWS A5.14
NiMo28 Germany DIN 17750
NiMo28 Germany DIN 17751
NiMo28 Germany DIN 17752
NiMo28 Germany DIN 17753

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