Magmaweld · Welding electrodes

EM 298

Classification: E9018-B91 H4 (AWS/ASME SFA - 5.5)

Basic type electrode for welding high temperature creep, oxidation and fatigue resistant steels, 9Cr-1Mo-V-Nb-N steels with operating temperatures of up to 650°C.

Price on request

Price and availability are provided by quotation. Send an enquiry with quantity and variant.

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Product description

Basic type electrode for welding high temperature creep, oxidation and fatigue resistant steels, 9Cr-1Mo-V-Nb-N steels with operating temperatures of up to 650°C. Suitable for welding in piping and equipment production from P91, F91 and T91 with thin and thick walled and casting successfully, especially in power plants, chemical and petrochemical industry. Welds are X-ray quality.

Standards and classifications

AWS/ASME SFA - 5.5E9018-B91 H4
EN ISO 3580 - AE (CrMo91) B 42 H5
TS EN ISO 3580 - AE (CrMo91) B 42 H5

Base materials

ENMaterialASTM
X10CrMoVNb9-11.4903
A182-F91
A213-T91
A335-P91
A336-F91
A387-Grade 91

Typical chemical values of weld metal

Type of AnalysisCSiMnCrNiMoVNbN
Weld Deposit0.100.200.809.500.550.900.200.050.03

Typical mechanical values of weld metal

Test ConditionYield Strength (N/mm²)Tensile Strength (N/mm²)Elongation A5 (%)Charpy V-Notch Properties (J)
After Heat Treatment(760°C 2 hour)6507501820°C → 50

Welding positions

PAPBPCPDPEPF

Polarity

DC(+)

Welding parameters and efficiency

Diameter x Length (mm)Current (A)
2.50x35060-90
3.25x35090-130
4.00x450130-160
5.00x450160-220

Variants and packaging

Product CodeDiameter X Length (mm)Pieces per Box (~)Weight Of The Box (kg)Boxes Per PackageWeight Of The PackagePackaging Type
12031HREM22.50x3502335.0315.4Cardboard Box
12031NREM23.25x3501385.0315.4Cardboard Box
12031SSEM24.00x450936.5319.9Cardboard Box
12031VSEM25.00x450606.5319.9Cardboard Box

Storage and re-drying

  • It can be dried maximum 5 times.
  • It has to be dried at 350°C for 2 hours.

Documentation

Documents open from the official Magmaweld pages (PDF).

Send an enquiry for this product

The enquiry concerns: EM 298

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