1247 – High Manganese Stainless

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INTERNATIONAL CLASSIFICATIONS

AWS/ASME A 5.4 E 307-16

EN 1600: E 18 8 Mn R 32

DIN 8556: E 18.8 Mn R 26

ISO 3581: E 18.8 Mn R 32

NFA 81-343: EZ 18.8 MnR 26

FEATURES & APPLICATIONS

For reclaiming and joining 14% manganese steels, as well as non-alloy and alloy structural and heat treatable steels.

  • Non-synthetic, non-magnetic, high manganese stainless for joining and buffer layers.
  • “Non-magnetic” weld metal is not susceptible to cracking and possesses high deformation capacity.
  • Joins armor steels to themselves as well as to mild, stainless and manganese steels.
  • Offers a rare combination of toughness, crack resistance and impact resistance.
  • Easy and complete slag removal.

 

All Weld Metal Analysis (Typical Weight %)

Microstructure: Austenite with a ferrite content of 5FN.

Flux Color: Grey/Tan

C

Mn

Si

S

P

Cr

Ni

Mo

Fe

.12

4.7

.5

.01

.02

19

9

1

Bal

 

Typical Mechanical Properties

Undiluted Weld Metal Maximum Value Up to:

Tensile Strength 101,000 PSI (690 MPa)

Yield Strength 76,000 PSI (510 MPa)

Elongation 40%

Impact Energy 80J: +20°C

Hardness Brinell 200, Rockwell C25

Work Hardness Brinell 450, Rockwell C48

 

Welding Current & Instructions

Recommended Current: DC Reverse (+) or AC

Diameter (mm)

3/32 (2.5)

1/8 (3.25)

5/32 (4.0)

Minimum Amperage

70

90

120

Maximum Amperage

90

120

150

Welding Techniques: Never preheat manganese steels due to crack sensitivity. Always use minimal amperage.

Welding Positions: Flat, horizontal, vertical up, overhead

Deposition Rates:

Diameter (mm)

Length (mm)

Weldmetal/ Electrode

Electrodes per lb (kg) of Weldmetal

Arc Time of Deposition min/lb (kg)

Amperage Settings

Recovery Rate

3/32 (2.5)

12″ (300)

.3 oz. (9g)

50 (109)

35 (76)

80

110%

1/8 (3.25)

14″(350)

.7 oz (20g)

22 (49)

21 (46)

105

110%

5/32 (4.0)

14″ (350)

1 oz (29g)

15 (33)

18 (40)

135

110%

 

APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS

Diameter (mm)

3/32 (2.5)

1/8 (3.25)

5/32 (4.0)

Length (mm)

12″ (300)

14″ (350)

14″ (350)

Electrodes / lb

26

14

9

Electrodes / kg

58

30

19

 

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