WELDFAST SERIES
CROME - MOLY CREEP RESISTANT ELECTRODES
 
WELDFAST CROMO 0500 WELFAST CROMO 5500  
WELDFAST CROMO 1500 WELDFAST CROMO 9100  
WELDFAST CROMO 2251      
 
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST CROMO 0500
AWS A/SFA - 5.5 E 7018-A1
IS 1395 E 49B-A1-26Fe
DIN 8575 EMoB20+

A medium heavy basic coated, hydrogen controlled, iron powder electrode, gives weld deposit containing 0.5% Mo. The weld deposit is of radiographic quality. Suitable for welding carbon - moly creep resistant
steels in all position.
Re-drying temperature is 300°C for 1 hr.

Approvals : NPCIL

C : 0.06-0.09
Mn : 0.90 max
Mo : 0.40-0.65
Si : 0.80 max
S : 0.03 max
P : 0.03 max
UT S : 550-630 N/mm
2 YS : 500 N/mm (min)
Elongation : 23-27%
CVN Impact at +27°C : 90 -120 J
Current : AC/DC+
For welding of 0.5% Mo and 1% Cr-0.5% Mo steels. Suitable in welding of flange, forged fittings, valves,
seamless tubes and pipes for high temperature applications in power plants, refinery, petrochemical and fertilizer units
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST CROMO 1500
AWS A/SFA - 5.5 E 8018-B2
IS 1395 E55BB226Fe
DIN 8575 E CrMo1B20+
A medium heavy coated, low hydrogen iron powder type electrode gives weld deposit of 1.3% Cr and 0.5% Mo steel. The weld deposit is of radiographic quality. The electrode burns with smooth arc, low spatter and is easy in slag removal. Suitable for welding Chrome - Moly creep resistant
steels in all positions.
Re-drying temperature is 300°C for 1 hr.

Approvals : NPCIL
C : 0.06-0.09
Mn : 0.90 max
Si : 0.80 max
Cr : 1.00-1.50
Mo : 0.40-0.65
S : 0.03 max
P : 0.03 max
UTS : 550-630 N/mm2
2 YS : 500N/mm2 (min)
Elongation : 23-27%
CVN Impact at +27°C : 50-90 J
Current : AC/DC+
For welding 1Cr/0.5Mo and similar creep resistant steels. Suitable in welding of flange, forged fittings,
valves, seamless tubes and pipes for high temperature applications in power plants, refinery, petro-chemical and fertilizer units and P11 and P12
type of steels.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST CROMO 2251
AWS A/SFA - 5.5 E 9018-B3
IS 1395 E 55BB326Fe
DIN 8575 E CrMo2B26
A medium heavy coated, low hydrogen, iron powder type, all position electrode with weld deposit of approx. 2.30% Cr and 1% Mo steel. The weld deposit is of radiographic quality and creep resistant up to 600°C. Re-drying temperature is 300°C for 1 hr.

Approvals : NPCIL
C : 0.06-0.09
Mn : 0.90 max
Si : 0.80 max
Cr : 2.00-2.50
Mo : 0.90-1.20
S : 0.03 max
P : 0.03max
UTS : 630-690 N/mm2
2 YS : 540 N/mm2 (min)
Elongation : 21-24%
CVN Impact at +27°C : 50-100 J
Current : AC/DC+
For welding 2Cr/1Mo and similar creep resistant steels. Suitable in welding of flange, forged fittings,
valves, seamless tubes and pipes for high temperature applications in power plants, refinery, petro-chemical and fertilizer units and P22 type of
steels.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELFAST CROMO 5500
AWS A/SFA - 5.5 E 8018-B6
IS 1395 E 41BB626Fe
DIN E KbCrMo 526
It is basic coated electrode for welding Chrome-Moly creep resistant steels suitable for welding in all position. Weld deposit is of radiographic quality.

Re-drying temperature is 300°C for 1 hr.
Re-drying temperature 300°C for 1 hr.
C : 0.05-0.10
Mn : 1.00 max
Si : 0.90 max
Cr : 4.00-6.00
Mo : 0.45-0.65
S : 0.03 max
P : 0.03 max
Ni : 0.40 max
UTS : 550-650 N/mm2
2 YS : 480 N/mm2 (min)
Elongation : 19-22%
Hardness : 250 BHN max
Current : AC/DC+
For welding cast or forged fitting, flanges, valves,
seamless tubes or pipes used for high temperature
applications in power plants, refinery, petrochemical
and fertilizer units.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST CROMO 9100
AWS A/SFA - 5.5 E 8018-B8
DIN 8575 E CrMo526
A basic coated electrode for welding Chrome Moly creep resistant steels in all positions. The weld deposit contains approximately 9% Cr is air hardenable and requires preheat & post heat treatment. Weld deposit is of radiographic quality.
Re-drying temperature is 300°C for 1 hr.
C : 0.05-0.10
Mn : 1.00 max
Si : 0.90 (max)
Cr : 8.00-10.00
Mo : 0.85-1.20
S : 0.03 max
P : 0.03 max
Ni. : 0.40 max
UTS : 600-650 N/mm2
2 YS : 480-550 N/mm2
Elongation : 20-25%
Hardness : 250 BHN max
Current : AC/DC+
For Welding cast or forged fitting, flanges, valves, seamless tubes or pipes used for high temperature
applications in power plants, refinery, petrochemical and fertilizer units.
 
 
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