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Electrodes for Creep Resisting Steels

CROMOTHERME-2(H4R)

AWS: SFA

EN ISO CODE:

Cromotherme-2(H4R) is an iron powder, low hydrogen electrode producing a weld deposit containing 2.25Cr - 1Mo which is oxidation resistant up to 5750C. Suitable for welding 2.25Cr - 1Mo, Cr-Mo-V steels as well as cast steels of similar composition.

Approvals

TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL (%):

Element	C	Mn	Si	P	S	Cr	Mo
Percent	0.060	0.80	0.44	0.025	0.020	2.40	1.10

TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL:

(PWHT: 690°C FOR 1 Hr)

UTS	YS	Elongation
(MPa)	(MPa)	(L= 5d)%
644	554	22.0

MOISTURE:

As Conditioned: 0.15Max.
As Exposed : 0.40Max.(27°C & 80% RH for 9Hrs)

DIFFUSIBLE HYDROGEN :

4ml/100gms of weld metal.

CURRENT AND PACKING DATA: DC(+)

Size (mm) Dia x Length	6.3x450	5x450	4x350	3.15x350	2.5x350
Current Range (Amps)	260-320	180-240	140-180	100-130	70-100
Qty. (Kgs/Carton)	2	2	2	2	2
Qty./Box(Kgs)	14	14	14	14	14