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CHE58-1
 
 
High Toughness Electrode for Welding High Tensile Steel
 
CHE58-1 is an outstand quality all position welding electrode coved with axtra low hydrogen potassium type coating for welding high tensile steels and low alloy steels. It’s nominal welding efficiency is about 110% due to iron powder is contained .The weld metal shows an excellent low temperature toughness and high crack-resistance. It is widely used in important projects of ships, boilers, high press vessels, bridges, skyscrapers, offshore drilling platforms, nuclear power stations etc.The groove of base metal should be cleared away impurities and the electrode must be baked at a temperature to 400℃ then be held 1-2 hours before welding,2.5mm one should be done by 350℃ then be held 1 hour.
 
Chemical Composition of Deposited Metal(%)
 
 
C
Mn*
Si
S
P
Cr*
Ni*
Mo*
V*
Cu
Standard
≤0.12
≤1.60
≤0.75
≤0.035
≤0.040
≤0.20
≤0.30
≤0.30
≤0.08
 
Typical
0.071
1.42
0.53
0.009
0.014
0.047
0.022
0.010
0.014
0.024
The total amount of elements with﹡one should be ≤1.75%
 
Mechanical Properties of Deposited Metal
 
 
Yield Point
бs(MPa)
Tensile Strength
бb(MPa)
Elongation
δ5(%)
Impact Value(J)
-20℃
-29℃
-46℃
Standard
≥375
490-660
≥22
≥47
≥27
≥27
Typical
440
560
30
160
140
120
The content of diffusion hydrogen of deposited metal＜5ml/100g(ISO 3960) and a typical one is 2.6ml/100g
 
Sizes, Pieces & Recommended Current(AC≥70V or DC+)
Size(mm)
2.5×300
2.5×350
3.2×350
3.2×450
4.0×400
4.0×450
5.0×400
5.0×450
Pieces(5kg)
≈290
≈248
≈145
≈114
≈84
≈75
≈51
≈45
Current(A)
F,H
70-100
70-100
100-140
100-140
140-170
140-170
190-240
190-240
OH,VD
60-70
60-70
80-110
80-110
130-150
130-150
 
 
 
Approvals: CCS 3 YH10   LR 3,3Y,H15   ABS 3YH5 BV 3YHHH GL 3YH10 DNV 3YH5 CWB E4918-1H8
 

ADD：No. 188, Qingda Road, Heqing Town, Pudong New Area, Shanghai City  Tel：021-58979176 Fax：021-58975707

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