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Wire electrodes for submerged-arc weld surfacing

NT® wire electrodes for submerged-arc weld surfacing

BRAND NT® Standard designation as specified in DIN 8555
material no.
EN
Wire electrode
standard analysis
%
Base metals* Hardness of the
cladding
(guideline values)
Applications and properties
A 25 - UP UP 1-GZ-250
1.8401
-
C
Mn
Cr
0,3
1,0
0,95
Weldable steels and steel castings 250-300 HB Weld surfacing of medium hardness on railway crossings, groove grounds, clutches, clover leaves, machine and transmission components
A 30 - UP UP 2-GZ-300
1.8404
-
C
Mn
Cr
0,55
2,0
1,1
Weldable steels and steel castings 300-400 HB
A 50 - UP UP 6-GZ-50
1.4034
-
C
Mn
Cr
0,37
0,4
13,5
Weldable steels and steel castings 450-550 HB Hard weld surfacing on scarfing rolls, roll pins, reeling and winding tools, swell drums
A 60 - UP UP 6-GZ-60
1.4718
-
C
Mn
Si
Cr
0,45
0,5
3,0
9,5
Weldable steels and steel castings 550-620 HB Extremely wear-resistant weld surfacing on excavator bucket edges, percussion-drill bits, cutting tools, etc.
CrMo 4 H - UP UP 3 GZ-400
-
-
C
Cr
Mo
0,35
4,2
1,7
Weldable steels and steel castings 380-480 HB Especially well suited for weld surfacing on forged blooming and billet rolls, also for claddings of various types for use at operating temperatures up to 550 °C
CrMo 6 - UP UP 3-GZ-350
1.7374
-
C
Mn
Cr
0,13
6,0
0,9
Weldable steels and steel castings 300-400 HB
4370 - UP UP 8-GZ-200
1.4370

EN 12072:
S 18 8 Mn
C
Mn
Cr
Ni
< 0,1
7,0
19,0
9,5
Weldable steels and steel castings 180-250 HB Weld surfacing on blooming and billet rolls, as well as shape rolls for the manufacture of ordinary low-carbon steels, also for use on sealing surfaces of valves NochEinAbstandhalter

Appropriate welding powder: BF4, BF4 Cr1, WP 250
Please consult us for more exact information on intended applications.
Forms available on delivery: Dimensions 2.0 to 5.0 mm