OK Tigrod 316LSi

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Bare, corrosion-resistant, chromium-nickel-molybdenum rods for welding austenitic stainless alloys of the 18% Cr-8% Ni and 18% Cr-10% Ni-3% Mo types. OK Tigrod 316LSi has good general corrosion resistance, particularly to corrosion in acid and chlorinated environments. The alloy has a low carbon content which makes it particularly recommended when there is a risk of intergranular corrosion. The higher silicon content improves the welding properties such as wetting. The alloy is widely used in the chemical and food-processing industries, as well as in shipbuilding and various types of architectural structure.

Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded
110 J (81 ft-lb) -110 degC (-166 degF)
90 J (67 ft-lb) -196 degC (-321 degF)
175 J (130 ft-lb) 20 degC (68 degF)

Typical Tensile Properties

ConditionElongationTensile Strength Yield Strength
As Welded33 %630 MPa (91 ksi)500 MPa (73 ksi)


Wire Electrode SFA/AWS A5.9 : ER316LSi
Werkstoffnummer : ~1.4430
EN ISO 14343-A : W 19 12 3 L Si


Approvals BV 316L BT
CE EN 13479
DB 43.039.06
DNV-GL VL 316 L (I1)
NAKS/HAKC 1.6-2.4 mm
VdTÜV 05336
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Austenitic (with approx. 8 % ferrite) 19% Cr - 12% Ni - 3% Mo - Low C- High Si

Typical Weld Metal Analysis %

Typical Wire Composition %
C Cr Cu Mn Mo Ni P S Si Si+Fe
0.01 % 18.4 % 0.12 % 1.8 % 2.60 % 12.2 % - - 0.9 % 7 %
Typical Weld Metal Analysis %
Shielding gas;Ar
0.01 % 18 % 0.1 % 1.8 % 2.8 % 12 % 0.02 % 0.01 % 0.8 % -

How to purchase OK Tigrod 316LSi

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Part Numbers and Accessories

Part Numbers : OK Tigrod 316LSi