Kobelco; AWS A5.5 E9015-B91; CM-95B91; SMAW (Stick Electrode); P91 Welding Electrode


Description

Features:
  • Applied for ASTM A387 Gr.91 and equivalents
  • Excellent creep rupture strength
  • P91 Steel / Pipe Welding
Classification: AWS A5.5 E9015-B91
Redrying Conditions: 325~375℃x1h
Polarity: DCEP

 

Packaging data

φ mm
Length mm
kg/pack
kg/carton
g/piece
carton mm
2.5/2.6
300
2
20
18
270W, 85H, 330L
3.2
350
5
20
31
170W, 120H, 380L
4.0
350, 400
5
20
48, 55
170W, 115H, 430L

Composition (all-weld metal mass %)


Typical
Guarantya
C
0.09 0.08~0.13
Si
0.23
0.30
Mn 0.71
1.20
P 0.01
0.01
S <0.01
0.01
Ni 0.10
0.80
Co 0.42
-
Cr 8.4
8.0~10.5
Mo 0.99
0.85~1.20
Nb 0.06
0.02~0.10
V 0.21
0.15~0.30
Cu 0.03
-
Al <0.01
0.04
N 0.03
0.02~0.07
Mn+Ni 0.81
1.40
Note: aSingle values are maximium.

Welding parameters (A)

φ mm
1F, 1G, 2F, 2G
3G uphill, 4G
2.5/2.6 55~90
50~80
3.2 75~115
70~110
4.0
120~160
90~150

All-weld mechanical properties


Typical
Guaranty
0.2%YS (MPa)
590
531min.
TS (MPa)
730
621min.
El on 4d (%)
21
17min.
V 20°C (J) 70
-
PWHT (°Cxh) 760x2
760±15x2

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