Description
2% Cr 1 Mo steels.
SFA 5.5 AWS E 9018-B3 H4 BS 2493 2 CrMo BH
DIN 8575 E CrMo 2 B 26
EN 1599 E CrMo 2 B 4 2 H5 Identification: Name Printed.
Hydrogen controlled iron powder type electrode designed for welding creep resisting steels & cast steels of 24 Cr-1% Mo class. Weld metal displays resistance to elevated temperatures up to 600°C & resistance to hydrogen attack
CHEMICAL ANALYSIS OF ALL WELD DEPOSIT (%)
C | Mn | Si | Cr | Mo | S | P |
0.05-0.12 | 0.50-0.90 | 0.50 max | 2.0-2.50 | 0.90-1.20 | 0.025 max | 0.025 max |
All Weld Mechanical Properties: (After PWHT as per SFA 5.5):
UTS ( MPa ) | 0.2 % Proof Stress ( MPa ) | % Elongation ( L = 4d ) | CVN impact Energy ( J ) ( + 20 ° C ) |
630 min | 540 min | 20-25 | > 47 |
Hydrogen in weld metal: 4 ml/100 g. max. (Mercury method) Moisture content < 0.20% WELDING CURRENT RANGES FOR SIZES MANUFACTURED Use DC+ or AC (70 V min)
Dia ( mm ) | 2.5 | 3.15 | 4 | 5 |
Length ( mm ) | 350 | 450 | 450 | 450 |
Current ( Amp ) | 70-100 | 100-140 | 140-180 | 180-240 |