AS DA-737

Askaynak

Ürün Broşürü (PDF)

General Description

AS DA-737 is a basic coated, AC/DC electrode for the welding of high tensile strength steels. It gives a weld metal that has good notch toughness down to - 60°C. Grain boundary cracking risk is very low.

 

Classification and Typical Weld Metal Composition

TS EN 1599 : E Mo B 22
AWS A5.5 : E9018-D1
C Si Mn Mo  

0,06

0,40

1,30

0,40

 

 

Mechanical Properties of the Weld Metal, Typical

Yield Strength : 580 (N/mm²)    
Tensile Strength : 660 (N/mm²)    
Elongation (L=5d) : 24 (%)    
Impact (ISO-V)
: 170 (Joule) (+20°C)  
    50 (Joule) (–50°C)  
    40 (Joule) (–60°C)  
 

Approvals and Certificates

Certificates

GOST

SEPRO

TSEK

 

Applications and Materials to be Welded

Due to the weld metal's good notch toughness properties down to - 60°C, it is used for welding unalloyed and low alloyed steel structures exposing to low temperatures like LPG holders. Welding of low alloyed high tensile steels when preheating cannot be applied and enclosed joint welding and cladding of rails when a hardness of about 250 HV is required are among its application areas.

General Structural Steels :
DIN: St 50-2, St 60-2, St 70-2
EN: E295, E335, E360
Fine Grained Steels :
DIN: StE 380 - StE 500
EN: S380N - S500N
DIN: WStE 380 - WStE 500
EN: P380NH - P500NH
Pipe Materials :
DIN: X42, X46, X52, X56, X60, X65 (API 5LX)
Low Temperature Steels :
DIN: TTSt 35 N, TTSt 35 V
 

Welding Parameters / Packing and Diameter Informations

Current Type and Polarity : DC (+)

Diameter
(mm)
Length
(mm)
Current
(Amper)
Electrode Weight
(g/100 pcs)
Quantity
(pcs/box)
Weight
(kg/box)
3.25 350 110 - 140   3790 120 4,6
4.00 450 150 - 190   7300   80 5,8
5.00 450 190 - 250 10500   60 6,3
 

Welding Positions

 

Ürün Broşürü (PDF)