Magmaweld · Welding electrodes

EI 307R

Classification: ~E307-16 (AWS/ASME SFA - 5.4)

Rutile coated electrode for joining dissimilar steels, depositing buffer layer before hardfacing and claddings on ferritic steels.

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Product description

Rutile coated electrode for joining dissimilar steels, depositing buffer layer before hardfacing and claddings on ferritic steels. The weld metal consists of austenitic Cr-Ni-Mn steel with possible small amounts of delta ferrite. The weld metal is highly crack resistant and therefore suited for joining difficult to weld steels and depositing stress relaxing buffer layers on crack sensitive base metal prior to hardfacing deposits. Weld metal work hardens by impact and pressure. Suitable for armour plates, high-manganese steels, rails, cross-overs, crane wheels, idlers, which are subjected to dynamically loading, pressure, impact and abrasion. It is non-scaling up to 850°C and highest operating temperature for dissimilar steel joints is 300°C. In the case of higher temperatures, use ENI 422 electrodes. Easy to use in positional welding and possible to use equally well both with AC and DC.

Standards and classifications

AWS/ASME SFA - 5.4~E307-16
EN ISO 3581 - AE 18 8 Mn R 12
TS EN ISO 3581 - AE 18 8 Mn R 12
DIN M. No.1.4370

Base materials

ENMaterialASTM
X3CrNiMo17-13-31.4436316
X5CrNiMo17-12-21.4401316

Typical chemical values of weld metal

Type of AnalysisCSiMnCrNi
Weld Deposit0.100.456.0019.509.00

Typical mechanical values of weld metal

Test ConditionYield Strength (N/mm²)Tensile Strength (N/mm²)Elongation A5 (%)Charpy V-Notch Properties (J)
As welded5006503720°C → 80

Welding positions

PAPBPCPDPEPF

Polarity

DC(+)AC

Welding parameters and efficiency

Diameter x Length (mm)Current (A)
2.50x30050-80
3.25x30080-120
3.25x35080-120
4.00x350100-165
5.00x350140-220

Variants and packaging

Product CodeDiameter X Length (mm)Pieces per Box (~)Weight Of The Box (kg)Boxes Per PackageWeight Of The PackagePackaging Type
13000GJEM22.50x300961.81018.2VAC Box
13000MDEM23.25x300882.538.0Plastic Box
13000MJEM23.25x300621.81016.5VAC Box
13000NJEM23.25x350562.01020.7VAC Box
13000QJEM24.00x350362.01021.0VAC Box
13000TJEM25.00x350252.0918.6VAC 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: EI 307R

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