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RATNA 630-16 (AWS A5.4 E630-16)

Product Specification

An Electrode specially designed for producing 17Cr-4.5Ni and 3.5 Cu weld deposit precipitation-hardening stainless steels

CLASSIFICATION          : AWS/SFA-5.4: E630-16

                                                           UNS W37410

CHARACTERISTICS     : An electrode specially designed for weld metal is modified to prevent the formation of ferrite networks in the martensite microstructure which could have a deleterious effect on mechanical properties. This electrode offers the combined characteristics of a strong, corrosion resistant,  electrode gives machinable weld metal.

 APPLICATION               :

1)      Suitable for joining ASTM A-564  hardenable steels

2)      Dependent on the application and weld size, the weld metal may be used either as-welded, welded and precipitation hardened , or welded, solution treated and precipitation hardened.

RE-DRY CONDITION      : Re-Dry the electrode at 250°C for 1 hrs before use.

 

ALL WELD CHEMICAL COMPOSITION %

C

Mn

Si

S

P

Cr

Ni

Cu

Mo

Cb+Ta

0.05 max

0.25-0.75

0.75

 Max

0.030 Max

0.040 Max

16.00-16.75

4.50-5.00

3.25-4.00

0.75

Max.

0.15-0.30

 

ALL WELD MECHANICAL PROPERTIES( PWHT 630°C/4 Hrs):

YS     

(0.2% )

     (N/mm2)

UTS

(N/mm2)

EL %

(l=5d)

730 Min.

930 Min.

10 Min.

 DIEMENSION, CURRENT CONDITION & PACKING DATA       

Size(mm)

(Dia)

Size(inch)

(Dia)

Current Condition

(DC-/AC) Amps

kg/packet.

kg/case.

2.50/ 2.40 X 350

3/ 32” X 14”

50-80

         2

20

3.15/ 3.20 X 350

1/ 8” X 14”

75-100

         2

20

4.00 X 350

5/ 32” X 14”

110-140

         2

20

5.00 X 350

3/ 16” X 14”

150-180

         2

20

Customer packing on request

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