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RATNA 7015-A1 (AWS A5.5: E 7015 A1)

Product Specification

Low Alloy Electrode for Low Temperature services

 CLASSIFICATION          : AWS/SFA-5.5: E 7015 A1

 APPROVAL         :

CHARACTERISTICS     : A Basic coated, iron powder, Low hydrogen electrode producing 0.50% Mo weld deposit. It is welding with DC+ polarity, Electrode has high welding efficiency coupled with creep resistance properties at 525°C temperature and has excellent mechanical properties.

APPLICATION               :

1)  Suitable for high pressure boiler tubes and plates.

2)   Fabrication for welding 0.50% Mo and 1% Cr-0.5% Mo steels used for elevated temperature services up to 525°C.

3)    suitable for fine grained and creep resistant steel welding.

RE-DRY CONDITION   : Re-Dry the electrode at 250°C-300°C for one hour, for best results.

 

ALL WELD CHEMICAL COMPOSITION %

C

Mn

Si

S

P

Mo

0.12 max.

0.90 Max

0.60 Max

0.030 Max

0.030 Max

0.40-0.65

 

ALL WELD MECHANICAL PROPERTIES:

YS

(N/mm2)

UTS

(N/mm2)

EL %

(l=4d)

CHARPY “V” NOTCH

IMPACT  AT

390 Min

490 Min

22 Min

 +270C : 140 J (Min.)

  

DIEMENSION, CURRENT CONDITION & PACKING DATA       

Size(mm)

(DXL)

Size(inch)

(DXL)

Current Condition

        (DC+)

No. of Pcs./pkt.

No. of Pcs./Case

2.50/ 2.40 X 350

3/ 32” X 14”

70-100

          170

640

3.15/ 3.20 X 450

1/ 8” X 18”

100-130

110

440

4.00 X 450

5/ 32” X 18”

140-180

72

288

5.00 X 450

3/ 16” X 18”

190-230

50

200

Customer packing on request.

 

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