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SPW Product Catalogue 2019

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ELECTRODES LOW HYDROGEN<br />

OK 76.18<br />

Type: Basic SMAW E8018-B2<br />

OK 76.18 is an LMA electrode for welding creep-resistant steels of the 1.25Cr0.5Mo type. The electrode welds with a quiet and stable arc<br />

giving a minimum amount of spatter loss while welding. OK 76.18 deposits a weld metal resistant to cracking as well as porosity. The scaling<br />

temperature of the weld metal is about 5750C.<br />

RECOVERY<br />

TYPICAL PROPERTIES OF ALL WELD METAL<br />

APPROVALS<br />

115%<br />

Yield stress<br />

530 MPa<br />

ABS<br />

SR<br />

WELDING CURRENT<br />

DC(+)<br />

CLASSIFICATIONS<br />

AWS A5.5 E8018-B2<br />

DIN 8575 E CrMo 1B 20<br />

Tensile strength 620 MPa<br />

Elongation 20%<br />

Charpy V:<br />

Test temperature Impact values<br />

+200C 55 J<br />

-200C 38 J<br />

-400C 19 J<br />

DnV<br />

-HH For NV1Cr0.5Mo<br />

LR<br />

SFS E 1 Cr Mo B 24<br />

TÜV<br />

5<br />

TYPICAL ALL WELD METAL COMPOSITION<br />

C Si Mn Cr Mo<br />

0.07 0.3 0.7 1.3 0.5<br />

WELDING PARAMETERS / PACKING<br />

<strong>Product</strong> Number Diameter Length Welding Arc Kg Weld Metal/ No. of Electrodes/ Kg Weld Metal/ Burn-off-time Electrode<br />

mm mm Current A Voltage (kg) Electrodes (kg) Weld Metal (hour) ArcTime (secs)/ Electrode Packaging<br />

E7618253ND0 2.5 300 70-110 24 0.58 88 0.8 52 31 pcs / 0.6 kg<br />

E7618323NM0 3.2 350 95-150 25 0.59 49 1.1 65 49 pcs / 1.7 kg<br />

E7618404NM0 4.0 450 130-190 27 0.64 23 1.7 90 34 pcs / 2.4 kg<br />

E7618504020 5.0 450 150-260 28 0.64 14 2.7 95 21 pcs / 2.3 kg<br />

OK 76.28<br />

Type: Basic SMAW E9018-B3<br />

OK 76.28 is an LMA electrode for welding creep-resistant steels containing approx. 2.25Cr1Mo. The electrode runs with a quiet, stable arc and<br />

gives a minimum amount of spatter loss. OK 76.28 deposits a weld metal with good crack-resistance. The scaling temperature of the weld metal<br />

is about 6250C.<br />

RECOVERY<br />

115%<br />

WELDING CURRENT<br />

DC(+)<br />

CLASSIFICATIONS<br />

AWS A5.5 E9018-B3<br />

DIN 8575 E CrMo 2 B 20<br />

TYPICAL PROPERTIES OF ALL WELD METAL<br />

Yield stress 550 MPa<br />

Tensile strength 650 MPa<br />

Elongation 18%<br />

Charpy V:<br />

Test temperature Impact values<br />

+200C 50 J<br />

-200C 25 J<br />

APPROVALS<br />

ABS SR<br />

BV UP H.T. (+5500C)<br />

CO<br />

DnV -H10 For NV2.25Cr1Mo<br />

LR<br />

TÜV<br />

TYPICAL ALL WELD METAL COMPOSITION<br />

C Si Mn Cr Mo<br />

0.07 0.3 0.7 2.3 1.1<br />

CONSUMABLES<br />

WELDING PARAMETERS / PACKING<br />

<strong>Product</strong> Number Diameter Length Welding Arc Kg Weld Metal/ No. ofEelectrodes/ Kg Weld Metal/ Burn-off-time Electrode<br />

mm mm Current A Voltage (kg) Electrodes (kg) Weld Metal (hour)Arc Time (secs)/ Electrode Packaging<br />

E7628253ND0 2.5 300 70-110 25 0.58 88 0.8 52 30 pcs / 0.6 kg<br />

E7628323080/NM0 3.2 350 95-150 26 0.59 49 1.2 62 48 pcs / 1.7 kg<br />

E7628404NM0 4.0 450 130-190 28 0.64 23 1.8 88 33 pcs / 2.3 kg<br />

342<br />

<strong>SPW</strong> GROUP PTY LTD

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