Magmaweld · Welding electrodes

EM 255

Classification: E CrMoV1 B 42 H10 (EN ISO 3580 - A)

Basic type, electrode for Cr-Mo-V type, designed for welding cast steels of identical composition, subjected to operating temperatures of up to 600°C.

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

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Product description

Basic type, electrode for Cr-Mo-V type, designed for welding cast steels of identical composition, subjected to operating temperatures of up to 600°C. Suitable for joining and repair purposes on steam turbine parts, valves and seats, pumps, shafts and rolls. Observe specifications as to preheating and post-weld heat treatment to base metal.

Standards and classifications

EN ISO 3580 - AE CrMoV1 B 42 H10
TS EN ISO 3580 - AE CrMoV1 B 42 H10

Base materials

DIN
GS-17 Cr Mo V 5 11
GS-22 Mo 4
GS-12CrMo 9 10
GS-17 Cr Mo 5 5
GS-22 Cr Mo 5
GS-22 Cr Mo 5 4
GS-25 Cr Mo 4

Typical chemical values of weld metal

Type of AnalysisCSiMnCrMoV
Weld Deposit0.100.550.901.201.000.20

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(700°C 1 hour)5506301820°C → 50

Welding positions

PAPBPCPDPEPF

Polarity

DC(+)

Welding parameters and efficiency

Diameter x Length (mm)Current (A)
2.50x35060-90
3.25x35090-130
4.00x450140-180
5.00x450190-230

Variants and packaging

Product CodeDiameter X Length (mm)Pieces per Box (~)Weight Of The Box (kg)Boxes Per PackageWeight Of The PackagePackaging Type
12027HREM22.50x3502114.5313.9Cardboard Box
12027NREM23.25x3501425.0315.4Cardboard Box
12027SSEM24.00x450926.5319.9Cardboard Box
12027VSEM25.00x450596.5319.9Cardboard 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).

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The enquiry concerns: EM 255

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