A SUPER DUPLEX STAINLESS STEEL TIG WIRE
IDENTIFICATION
Getig 25.9.4L, ER 25.9.4
CLASSIFICATION
AWS/SFA 5.9: ER 25.9.4
DESCRIPTION
Getig 25.9.4L is a tig wire designed to match similar alloys. The wire gives matching strength and corrosion resistance in the solution treated condition but can also be used in the as-welded condition. Nitrogen and nickel contents are controlled to give a balanced duplex structure to minimize the risk of cracking, particularly in highly restrained welds.
CHEMICAL ANALYSIS (RANGE) %
| C | Cr | Ni | Mn | Si | W | S | P | Mo | Cu | N |
| 0.03 | 24.0 - 27.0 | 8.0 - 10.5 | 0.5 - 2.50 | 1 | 1 | 0.02 | 0.03 | 2.5-4.5 | 1.5 | 0.20 - 0.30 |
| Max | max | max | max | max | max |
MECHANICAL PROPERTIES (RANGE)
| UTS (MPa) | EL (%) (L=4D) |
| 760 Min | 18 Min |
TYPICAL APPLICATIONS
Pumps and valves, corrosion / wear resisting parts and process equipment for use in offshore oil and gas industries, pulp, paper and textile industries, and chemical and petrochemical plant.
MATERIALS TO BE WELDED
MICROSTRUCTURE:
In the solution treated condition the micro- structure is duplex with about 30-60% ferrite dependent upon dilution.
INTERPASS TEMPERATURE: 100°C max
HEAT INPUT : 0.5 - 1.5 kJ/mm
SCALING TEMPERATURE: Approx 850°C (air)
CORROSION TEMPERATURE
Very good resistance to pitting and stress corrosion cracking in Chloride containing environments. Pitting resistance in accordance with ASTM G-48A better than 40°C.
PACKING PARAMETERS
| Size (mm) | Length (mm) | Packing / Pkt (kg) | Packing / Box (kg) |
| 1.6 | 1000 | 5 | 5 x 4 = 20 |
| 2 | 1000 | 5 | 5 x 4 = 20 |
| 2.40 / 2.50 | 1000 | 5 | 5 x 4 = 20 |
| 3.15 / 3.20 | 1000 | 5 | 5 x 4 = 20 |
