Philhard 610LH

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Philhard 610LH

PHILHARD 610LH

AWS Specification: NONE

JIS Specification: DF2B-600-B

Other Specification: DIN 8555 E6-UM-60

I. APPLICATIONS:

Hardfacing of bulldozer blades, tractor parts, reamer bits, twists, drills and taps.

II. DESCRIPTION:

PHILHARD – 610LH is a lime type electrode, depositing weld metal typical martensite structure.  As-welded condition it shows high hardness, and is suitable for soil abrasion and light impact abrasion.  Machining is impossible as welded condition.

III. NOTES ON USAGE:

  • Preheat at 150ºC and over in general.

  • In the case of multi-layer build-up welding or hardenable steel welding, underlay with low hydrogen type electrode (PA-52 0r PA-8016).
  • Dry the electrodes at 300~350ºC for 30~60 minutes before use.

IV. TYPICAL CHEMICAL COMPOSITION OF WELD METAL (%):

C

Si

Mn

Cr

Mo

V

0.76

0.87

0.40

7.45

0.52

0.57

 V. HARDNESS OF WELD METAL: 54 – 57 HRC (580 – 630 Hv)

VI. WELDING POSITIONS: FLAT, OVERHEAD, HORIZONTAL

VII. SIZES AVAILABLE AND RECOMMENDED CURRENTS (AC or DC+ ):

Size

Dia.

2.5

3.2

4.0

5.0

(mm)

Length

300

350

350

350

Current Range

80-110

90-130

120-180

170-230