Magmaweld · Welding electrodes

EM 171

Classification: E8018-C1 H4 (AWS/ASME SFA - 5.5)

Heavy coated basic type electrode for welding fine grained structural steels and especially cryogenic steels, subjected to low service temperatures up to -60°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

Heavy coated basic type electrode for welding fine grained structural steels and especially cryogenic steels, subjected to low service temperatures up to -60°C. Electrode produces tough and crack-free welded joints. Weld deposit is of extremely high metallurgical purity and very low hydrogen content. Owing to high crack resistance under difficult conditions such as dynamic loads, impact, vibration and low service temperatures, it is suitable for use in welding of storage tanks and piping. Suitable for use in root passes and joints in pipes and equipments of cold storage rooms with service temperatures down to -60°C. Electrode features a stable and concentrated arc. Especially 2,50 mm and 3,25 mm diameters are well-suited for positional welding. Welds are X-ray quality.

Standards and classifications

AWS/ASME SFA - 5.5E8018-C1 H4
EN ISO 2560 - AE 46 6 2Ni B 42 H5
TS EN ISO 2560 - AE 46 6 2Ni B 42 H5

Base materials

ENDINASTM
S255NL - S420NLTStE 255 - TStE 420
A537 Class I
S255N - S420NStE 255 - StE 420
A537 Class II
12Ni1410 Ni 14
S225NLTT St 35N

Typical chemical values of weld metal

Type of AnalysisCSiMnNiCu
Weld Deposit0.050.301.002.400.08

Typical mechanical values of weld metal

Test ConditionYield Strength (N/mm²)Tensile Strength (N/mm²)Elongation A5 (%)Charpy V-Notch Properties (J)
As welded49058027-60°C → 100
After heat treatment (605°C 1 h)47055029-60°C → 120

Welding positions

PAPBPCPDPEPF

Polarity

DC(+)

Welding parameters and efficiency

Diameter x Length (mm)Current (A)
2.50x35060-90
3.25x35090-140
4.00x450130-180
5.00x450190-230
6.00x450260-340

Variants and packaging

Product CodeDiameter X Length (mm)Pieces per Box (~)Weight Of The Box (kg)Boxes Per PackageWeight Of The PackagePackaging Type
12007HREM22.50x3502024.5313.9Cardboard Box
12007NKEM23.25x350732.5615.5VAC Box
12007NREM23.25x3501314.5313.9Cardboard Box
12007SSEM24.00x450966.5319.9Cardboard Box
12007VSEM25.00x450646.5319.9Cardboard Box
12007XSEM26.00x450466.5319.9Cardboard 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 171

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