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  • PRODUCT SPECIFICATIONS
  • PACKAGING
Type
Special alloy for welding unknown and difficult to weld steels.( Type 312, 29 9 , 1.4337)
classification
AWS
A 5.4: E 312-26
EN ISO
3581-A: E 29 9 R 53
W.Nr.
1.4337
Applications

CroNi 29/9 HLS is a austenitic-ferritic special alloy high recovery rutile electrode suitable for joining steels that are difficult to weld. Varied applications in repair and maintenance of machines, shafts, gearwheels, especially in the field of construction machinery. Also excellent for buffer layers before Hardfacing and for dissimilar welding between steel, stainless steels or unknown steels.

Type
Special alloy for welding unknown and difficult to weld steels.( Type 312, 29 9 , 1.4337)
Applications

CroNi 29/9 HLS is a austenitic-ferritic special alloy high recovery rutile electrode suitable for joining steels that are difficult to weld. Varied applications in repair and maintenance of machines, shafts, gearwheels, especially in the field of construction machinery. Also excellent for buffer layers before Hardfacing and for dissimilar welding between steel, stainless steels or unknown steels.

Properties

Very popular because of its soft, stable arc, its easy spatter free application and the very good slag removal with no residues. High corrosion resistance and high temperature resistance up to 1100 °C. with excellent weldability on both AC and DC+.

Classification
AWS
A 5.4: E 312-26
EN ISO
3581-A: E 29 9 R 53
F-nr
5
FM
5
W.Nr.
1.4337
Suitable for

ISO 15608: 11 (0,25 % < C ≤ 0,85 %)  Type: 29% Cr, 9%Ni 

1.3401, 1.4006,  1.4339, 1.4340, 1.4347, 1.4460

X120Mn12,  X10Cr13, GX32CrNi28-10, GX49CrNi27-4, GX8CrCrNiN26-7,  X3CrNiMoN27-5-2

UNS S41000 

AISI 329, 410. S235, E295 

Hss, C45, C60, dissimilar welding, maintenance, buffer layers, repairing cock wheels, 42MnV7, 25CrMo4, 42CrMo4, 50CrMo4, 1.5223, 1.7218, 1.7225, 1.7228, Armox, Hardox

Approvals
CE
Welding positions
PA
PB
PC
Redrying
Not required
Analysis
C Si Mn P S Cr Ni Mo Nb N Cu Ta Nb+Ta W
0.1 0.8 2 0.025 0.015 30 9.5
Mechanical Properties
Heat
Treatment
RP0,2
(MPa)
Rm
(MPa)
A5
(%)
Impact Energy (J) ISO-V Hardness
RT
As Welded 500 750 23 40 300 HB
High recovery E 312 stick electrode
High recovery E 312 stick electrode
Packing info
CroNi 29/9 HLS 
Packaging KG/unit EanCode