1124 – White 312(29/9)

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INTERNATIONAL CLASSIFICATIONS

AWS/ASME A 5.4 E 312-17*

EN 1600: E 29.9 R 32

DIN 8556: E 29.9 R 23

ISO 3581: E 29.9 R 32

NFA 81-343: EZ 29.9 R 23

*Proprietary Modification: Special specification exceeding chemistry for extreme crack resistance

FEATURES & APPLICATIONS

Due to exceptional strength and crack resistance, it is ideal for repairing tools, dies, spring steel and any dissimilar metal combinations, except for the aluminum and copper alloys. It is also recommended for repairing worn parts and as an underlay for hardfacing.

  • The ultimate electrode for welding all types of steels, without any danger of cracking or breakage. Special “FERRITE BALANCED” Chemistry also serves as a “STUD PULL” electrode.
  • An engineered deposit chemistry that has the perfect ratio of metallics to offer crack resistance far superior to any other brand.
  • All colors are usually kept in stock unmarked.
  • Special flux formulation eliminates slag interference in horizontal fillets.
  • Slag is designed to turn to powder making this electrode ideal for “STUD PULL” applications.
  • Available in TIG form as product code 6007 and in MIG form as product code 7007.
All Weld Metal Analysis (Typical Weight %)

Microstructure: A duplex austenite/delta ferrite structure with a Shaeffler ferrite value below 35%.

CodeColor312-17*312-16
1119GoldX
1124WhiteX
1145BlueX
1147RedX
1149MaroonX
1150OrangeX
1153BlueX
1154WhiteX
1157GreenX
1187GreenX
TypeCuCMnCrSiSNiPMoFe
312-17*Special Proprietary Non-Conforming Chemistry
312-16.06.1.8291.019.02.7Bal
Typical Mechanical Properties

Undiluted Weld Metal Maximum Value Up to:

Tensile strength as welded 128,000 psi (880 MPa)

Work hardened 186,000 psi (1280 MPa)

Yield strength 90,000 psi (630 MPa)

Elongation 32%, 36% 17 coatings

Reduction of area 25%

Impact Energy 50J: 68°F (20°C)

Hardness Brinell 225

Welding Current & Instructions

Recommended Current: DC reverse polarity (Electrode +) or AC

Diameter (mm)1/16 (1.6)5/64 (2.0)3/32 (2.5)1/8 (3.25)5/32 (4.0)3/16 (5.0)
Minimum AmperageSpecial Proprietary Non-Conforming Chemistry
Maximum Amperage355570110140200

Welding Techniques: The area in which the weld is to be made should be free of rust, grease, paint and other materials which cause weld contamination. A 90° vee joint should be used when joining heavy sections. Maintain a short arc length and use stringer beads.

Welding Positions: Flat, Horizontal, Vertical up, Overhead

Deposition Rates:

Diameter
(mm)
Length
(mm)
Weldmetal/
Electrode
Electrodes per lb (kg) of WeldmetalArc Time of Deposition min/lb (kg)Amperage SettingsRecovery Rate
1/16 (1.6)12″ (300).13oz (4g)120 (264)59 (129)25100%
5/64 (2.0)12″ (300).14oz (4g)114 (251)47 (103)40100%
3/32 (2.5)12″ (300).38 oz. (11g)40 (88)37 (82)65100%
1/8 (3.25)14″ (350).64oz (18g)25 (55)26 (58)100100%
5/32 (4.0)14″ (350)1oz (28g)16 (36)21 (46)130100%
3/16 (5.0)14″ (350)1.6oz (45g)10 (23)14 (30)170100%
APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS
Diameter (mm)1/16 (1.6)5/64 (2.0)3/32 (2.5)1/8 (3.25)5/32 (4.0)3/16 (5.0)
Length (mm)12″ (300)12″ (300)12″ (300)14″ (350)14″ (350)14″ (350)
Electrodes / lb5442261497
Electrodes / kg1199258312015