NHF-350B

Specification

AWS Specification: N/A
JIS Specification: DF2A-350-R
Other Specification: DIN 8555: El-350

Description

NHF-350B is a metal-enriched and general purpose wear-resisting alloy steel electrode
Air hardening chromium molybdenum (Cr-Mo) alloy steel deposit features high strength and excellent toughness
Good abrasion resistance
Smooth running and exhibits remarkable metal transfer and slag control
Refined and balanced weld metal chemistry
Crack free deposits

Application

Rebuilding of badly worn mild and alloy steel components
Repair of tractor idler wheels, rollers, and track links
Surfacing gears, mine rails, shovel pads, pins, and cluthes
Maintenance of shafts, wheel treads, and agricultural equipment

Remarks

Preheat heavy sections or alloy steels in accordance with normal welding practice

Deposit is machinable

Technical Data

TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

C	Si	Mn	Cr	Mo
0.11	0.26	0.84	1.88	0.51

HARDNESS OF WELD METAL:

Hardness	Vickers (Hv)	Rockwell (H_RC)
Single Layer on Mild Steel	290	28
All Weld Metal Deposit	300 - 350	30 - 35

SIZE AND RECOMMENDED CURRENT RANGE: AC, DC (+)

DIAMETER (mm)	3.2	4.0	5.0
LENGTH (mm)	350	350	350
Current Amp	100 - 150	140 - 200	170 - 250

Welding Positions:	VERTICAL DOWN, HORIZONTAL
Approvals:	N/A

NOTE:

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.