CEWELD


ER 70S-B2L Tig GMAW-GTAW Solid wires




ER 70S-B2L Tig

 
TYPE 
Low alloyed welding wire for high tensile strength and creep resistant steels
APPLICATIONS 
ER70S-B2L is a low carbon content variation of the ER80S-B2 and is designed for the welding of 1¼Cr/½ Mo steel that require a lower as-welded hardness
PROPERTIES 

This low carbon version of the B2 type is preferred where as welded repairs are done or where PWHT is not viable

CLASSIFICATION
AWS 
A 5.28: ER 70S-B2L
EN ISO 
21952-B: W 52 M CML 1
SUITABLE FOR 

1¼Cr/½ Mo steel, mountainbikes, car frames, stock cars, creep resistant steels.

APPROVALS 
CE approved
WELDING POSITIONS: 
WELD METAL ANALYSIS % (TYPICAL)

C

Mn

Si

Cr

Cu

Mo

0.04

0.55

0.48

1.35

0.15

0.55

MECHANICAL PROPERTIES

Heat

RP0,2

Rm

4d/5d

Impact Energy (J) ISO-V

Hardness

Treatment

(N/mm2)

(N/mm2)

(%)

20°C

-40°C

-60°C

HRc

as welded

>489

>585

19

     

~23

PWHT 1hr/620°C

>399

>517

21

     

<20

Preheat 150°C / Interpass temp. 400°C. max.
REDRYING TEMPERATURE 
not required
WELDING PARAMETERS / PACKING

Welding Parameters

Packing (kg)

D (mm)

Current (A) (DC-)

single

master

1.6 x 1000

50-120

5

25

2.4 x 1000

120-200

5

25







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