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Sanicro 25 | 1.4990 Material Datasheet

Material Standard Values

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Material Description

Material Number	Material Name	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	VDA 231-106 classification	Application temperature [°C]
1.4990 (VdTÜV WB 555 : 2025-01)	Sanicro 25	1.4990	VdTÜV WB 555 : 2025-01	Supersedes VdTÜV WB 555 : 2023-04	Valid	Germany	Sanicro 25	1.1.2	-10 - 800	1)
1) Remark: Heat-resistant austenitic seamless steel pipe for pressure vessels and pipelines according to AD 2000 W2, for pressure equipment according to directive 2014/68/EU and for nuclear engineering. Further applicable standard: DIN EN 10216-5

Chemical Composition

B [%]	C [%]	Co [%]	Cr [%]	Cu [%]	Mn [%]	N [%]	Nb [%]	Ni [%]	P [%]	S [%]	Si [%]	W [%]	Remainder
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
1) Source: blur

Material Compliance

REACh	RoHS
blur	blur

Mechanical Properties

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Yield Strength (1.0% offset) [MPa]	Elongation A [%]	Hardness HV
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)2)
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
1) Source: blur
2) Remark: blur

Physical Properties

Semi-finished Product	Condition	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)]
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	1)
1) Source: blur

Toughness Data (Impact)

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Shape	Specimen Direction	Notch Impact Energy [J]
blur	blur	blur	blur	blur	blur	blur	1)
1) Source: blur

Welding and Joining

Procedure	Welding and Joining - Evaluation
blur	blur	1)
blur	blur	1)
1) Source: blur

Creep Rupture Behaviour

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Creep Tensile Strength at 10^4 h [MPa]	Creep Tensile Strength at 10^5 h [MPa]
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
1) Source: blur

Heat Treatment

Semi-finished Product	Heat Treatment	Nominal Size [mm]	Temperature [°C]	Medium
blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	1)
1) Source: blur

Cross Reference

Material Name	Country	Standard
Sanicro 25	Germany	VdTUV WB 555	1)
ALLEIMA Sanicro 25	Germany	VdTUEV WB 555	1)
X7NiCrWCuCoNbN25-23-3-3-2			2)
A213 UNS S31035	USA	ASTM A213	3)
A312 UNS S31035	USA	ASTM A312	3)
S31035	USA	UNS	3)
1) Source: VdTÜV WB 555 : 2025-01
2) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
3) Source: SAE HS-1086, ASTM DS56M, Metals & Alloys in the Unified Numbering System, 14th Edition, SAE International, 2023

Producer/Supplier/Trade names

Tradename	Supplier
Sanicro® 25	Alleima AB, Sandviken
ALLEIMA Sanicro® 25	Alleima AB, Sandviken
1.4990	DMV Italia S.r.l., Costa Volpino (BG)