Exaton 27.7.5.L

Exaton

Exaton 27.7.5.L

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Exaton 27.7.5.L is a hyper-duplex (austenitic-ferritic) filler metal with improved yield strength and better pitting and crevice corrosion resistance compared to super-duplex stainless steels UNS S32750 and S32760. It also has higher HISC (hydrogen induced stress cracking) resistance compared to super-duplex stainless steels and higher resistance to aggressively sour environments.

Exaton 27.7.5.L can be advantageously used for welding 13% Cr flow pipes, as its high strength enables reduction of repair rates during pipeline production, because finite element analysis is not required for weld metal of matching strength and the acceptance criteria can be less conservative.

The high pitting resistance of Exaton 27.7.5.L makes it suitable for root pass welding in Exaton SAF 2507 and other super-duplex stainless steels UNS S32750 and S32760 when the risk of pitting corrosion is critical, or when mixed shielding gases cannot be used.

Exaton 27.7.5.L can also be used for overlay welding on e.g. tube sheets in heat-exchangers or for joint welding of hyper-duplex UNS S32707 pipe with wall thickness < 13 mm. It is used for TIG-welding.

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Exaton 27.7.5.L

Documents


Typical Weld Metal Analysis %

Wire Composition
C Co Cr Mn Mo N Ni P S Si
<=0.02 % 1 % 27 % 1 % 5 % 0.4 % 6.5 % <=0.020 % <=0.015 % 0.3 %

Classifications

Name EN ISO 14343-A
Grade G Z 27 7 5 L
2

Typical Tensile Properties

ConditionElongation
As Welded25 %
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Part Numbers and Accessories

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Part Numbers : Exaton 27.7.5.L
Exaton 27.7.5.L 1.6x1000 5kg S68916R150 FIND A DISTRIBUTOR
Exaton 27.7.5.L 1.6x914mm3x4.5 S68916R1X0 FIND A DISTRIBUTOR
Exaton 27.7.5.L 2.0mm X 5kg S68920R150 FIND A DISTRIBUTOR
Exaton 27.7.5.L 2.4x1000 5kg S68924R150 FIND A DISTRIBUTOR
Exaton 27.7.5.L 2.4x914mm3x4.5 S68924R1X0 FIND A DISTRIBUTOR
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