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NHF-380B (rutile)
AWS Specification: NONE
JIS Specification:

NONE

Other Specification:

I. APPLICATIONS:

Rail ends and crossings, large cog-wheels and other steel casting, rollers, shear, blades, hot punching dies, plough shares, wobbler ends, cams, caterpillar treads, brake shoes, etc.

II. DESCRIPTION:

A rutile type hard-surfacing electrode that deposits air hardening medium chromium alloy with good resistance to imparct and abrasion.

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

C

Si

Mn

Cr

0.24

0.12

0.21

2.9

IV. HARDNESS OF WELD METAL
1st Layer : 33-36 HRc
2nd layer : 37-41 HRc
3rd layer : 43-46 HRc

V. WELDING POSITIONS: FLAT, VERTICAL UP, HORIZONTAL, OVERHEAD

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

 

Size

Dia.

3.2

4.0

5.0

(mm)

Length

350

350

350

Current Range

80-130

130-180

180-230

TEST RESULT

The information contained or otherwise referenced herein is presented only as “typical” without guarantee or warranty, and Industrial Welding Corporation expressly disclaims any liability incurred from any reliance thereon. Typical data and Test results for mechanical properties, deposit or electrode composition and other properties were obtained from a weld produced and tested according to prescribed standards, and should not be assumed to be the expected results in a particular application or weldment. Actual results will vary depending on many factors, including, but not limited to, weld procedure, plate chemistry and temperature, weldment design and fabrication methods. Users are cautioned to confirm by qualification testing, or other appropriate means, the suitability of any welding consumable and procedure before use in the intended application.