ESAB

OK Tigrod 318Si

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Bare, corrosion-resistant, stabilised, chromium-nickel-molybdenum wire for welding Cr-Ni-Mo and Cr-Ni stabilised or non-stabilised steels. OK Tigrod 318Si has good general corrosion resistance. The alloy is stabilised with niobium to improve resistance to the intergranular corrosion of the weld metal. The higher silicon content improves the welding properties such as wetting. Due to stabiliation by niobium, this alloy is recommended for service temperatures up to 400°C.


Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded
70 J (52 ft-lb) -60 degC (-76 degF)
40 J (30 ft-lb) 20 degC (68 degF)

Typical Tensile Properties

ConditionElongationTensile Strength Yield Strength
As Welded35 %615 MPa (89 ksi)460 MPa (67 ksi)

Classifications

Wire Electrode Werkstoffnummer : ~1.4576
EN ISO 14343-A : W 19 12 3 Nb Si
SFA/AWS A5.9 : ER318 (mod)

Approvals

Approvals CE EN 13479
DB 43.039.15
NAKS/HAKC 2.0 mm
VdTÜV 09737
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Austenitic (with approx. 7 % ferrite) 19% Cr - 12% Ni - 3 % Mo - Nb

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Cu Mn Mo Nb Ni P S Si
0.04 % 19 % 0.1 % 1.3 % 2.8 % 0.5 % 12 % 0.02 % 0.01 % 0.8 %
Typical Wire Composition %
0.05 % 18.8 % 0.10 % 1.7 % 2.60 % 0.50 % 11.9 % - - 0.8 %
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How to purchase OK Tigrod 318Si

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To find an ESAB distributor, just use the distributor locator tool featured on every page of our site.  Alternatively, you can call our support line at +361 382 1235 and we'll point you in the right direction.


Part Numbers and Accessories

Part Numbers : OK Tigrod 318Si
163110R150
163112R150
163116R150
163120R150
163124R150
163132R150
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