Magna 305
Electrode for Welding Heavy-Duty Steel Constructions

Properties Magna 305 Electrode for Welding Heavy-Duty Steel Constructions

Magna 305  Electrode for Welding Heavy-Duty Steel Constructions  is a “Heavy Duty” alloy for high-strength steel to weld faster and better than ever.

• offers a yield strength of 116,000 p.s.i. (799.39 MPa)
• is the right choice for welding T-1 steel, Armco SSS-100, Armco SSS-100A, USS Con-Pac M Jalloy S-100, Van-80, Jalloy S-110 SKF327, N-A-XTRA 100, Jalloy AR-360 Carbon Manganese…
• gives excellent results on problem steel such as: painted steel, rusty steel, oily steel, sulfurous steel, cold-rolled steel …
• The high alloy content ensures maximum toughness, strength, and other physical properties.
• Since the slag removes itself automatically, the welder can weld continuously without the usual time loss.
• Tensile strength 116,000 psi (799.39 MPa)
• Yield strength 102,000 psi (703.27 MPa)
• Brinell 237

Application Magna 305 Electrode for Welding Heavy-Duty Steel Constructions

Magna 305 Electrode for Welding Heavy-Duty Steel Constructions is the electrode for all steel constructions. It is a highly alloyed electrode for joining newer structural steels such as T-1 and for general use in welding heavy steel types.

Use DC reversed polarity or AC. Generally set the machine to the same amperage as normally used with the same machine and ordinary electrodes of the same diameter.

For vertical up welding, the technique of steady progression must be used, in contrast to the whipping technique used with ordinary electrodes. Do not pull the electrode out of the molten pool during build-up welding. The correct weaving technique is not to lengthen the arc at the edges, but to use a short, even arc.

T-1 steel: Magna 305 was specially developed for high yield strength steels such as T-1. The physical properties of Magna 305 are equal to or exceed the physical properties of these high yield strength steels in both the “as-welded” and “stress-relieved” conditions, ensuring 100% joint efficiency at all times.

Furthermore, Magna 305 delivers excellent performance for all fabrication and maintenance applications where high tensile strength welds are required. The following ASTM steel grades are successfully welded with Magna 305:

• A148 – Gr. 120-95 A730 – Gr. N A469 – Class 5
• A288 – Class 3,4 A291 – Class 4 A470 – Class 6
• A471 – Gr. B2, B3 A354 – Gr. BC
• A668-90 Class A to F and AH to AF
• A668-90 Class G to N and GH to NH

Preheating is not required with Magna 305.

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