Super Duplex Steel UNS S32750 Electrodes

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Super Duplex Steel UNS S32750 Electrodes

Name: Super Duplex Steel UNS S32750 Electrodes
Brand: Skyland Metal & Alloys Inc.
Price: 500.0 INR
Availability: InStock

Price 500.0 INR/ Kilograms

Get a Price/Quote

MOQ : 1 Kilograms

Super Duplex Steel UNS S32750 Electrodes Specification

Material Composition %
Cr 24-26%, Ni 6-8%, Mo 3-5%, N 0.24-0.32%, balance Fe

Diameter
2.5 mm, 3.2 mm, 4.0 mm (Typical)

Tensile Strength
>790 MPa

Temper
As Welded / Annealed

Corrosion Resistant
Excellent

Product Form
Welding Electrode Stick

Size
Variety of sizes (2.5mm, 3.2mm, 4.0mm dia x 350mm length)

Width
Standard electrode widths, typically 2.5 mm to 5.0 mm

Coating Type
Rutile/Basic flux coating

Hardness
30-35 HRC

Recyclable
No (consumable welding product)

Heat Resistance
Yes

Chemical Composition
Cr 24-26%, Ni 6-8%, Mo 3-5%, N 0.24-0.32%, balanced Fe, with traces of Mn, Si, P, S

Product Name
Super Duplex Steel UNS S32750 Electrodes

Steel Type
Super Duplex Stainless Steel

Steel Product Type
Welding Electrode

Grade
UNS S32750

Thickness
2.5 mm, 3.15 mm, 4.0 mm (Typical Sizes)

Shape
Rod / Stick

Steel Standard
ASTM A240 / AWS A5.4

Surface
Coated with flux

Composition
Duplex steel alloy

Application
Welding of super duplex stainless steel structures, pipes, pressure vessels, heat exchangers, marine, offshore, chemical and petrochemical plants

Dimension (L*W*H)
350 mm (L) x 2.5-5 mm (W)

Weight
Varies per electrode pack, approx. 1 kg per pack

Color
Silver-grey with darkened tips

Material Grade
S32750

Finish Type
Flux coated

Usage
Manual metal arc welding (MMA), repair and fabrication

Post Weld Heat Treatment
Optional, as per application

Diffusible Hydrogen Content
< 5 ml/100g

Packaging Type
Vacuum packed / Carton boxes

Arc Stability
Excellent

Usability Position
All position welding (1G, 2G, 3G, 4G, etc.)

Welding Current
AC/DC

Shelf Life
12-24 Months

Weld Metal Recovery
Approx. 95%

Slag Detachability
Easy

Hydrogen Content
Low

Magnetic Permeability
Low

Impact Toughness
Good at sub-zero temperatures

ISO Certification
ISO 9001:2015

Super Duplex Steel UNS S32750 Electrodes Trade Information

Minimum Order Quantity
1 Kilograms

Delivery Time
7 Days

About Super Duplex Steel UNS S32750 Electrodes

Super Duplex Steel UNS S32750 electrodes are known for their exceptional corrosion resistance and high strength. The chemical composition of these electrodes is crucial to their functionality and durability. These electrodes are typically made of iron, chromium, molybdenum, and nickel, with small amounts of other elements like nitrogen and tungsten. This chemical composition gives the electrodes impressive resistance to pitting, crevice corrosion, and stress corrosion cracking. The high nickel and molybdenum content also enhances their resistance to reducing agents, making them ideal for use in harsh environments. Overall, the chemical composition of Super Duplex Steel UNS S32750 electrodes makes them a reliable and essential component in a variety of industrial applications.

Superior Performance in Extreme Conditions

Super Duplex Steel UNS S32750 Electrodes deliver exceptional mechanical properties, including high yield and tensile strength, superior ductility, and remarkable impact resistance even at sub-zero temperatures. These qualities make them well-suited for welding structures exposed to harsh environments, such as offshore platforms and chemical plants.

Versatile Welding Applications

Optimized for manual metal arc welding (MMA), these electrodes can be used in all positions-flat, horizontal, vertical, and overhead-providing flexibility in diverse fabrication and repair tasks. Their carefully balanced chemical composition ensures strong, corrosion-resistant welds for pipes, pressure vessels, marine structures, and heat exchangers.

Storage and Handling for Longevity

Delivered in sealed vacuum packs or moisture-resistant boxes, Super Duplex Steel UNS S32750 Electrodes are protected from humidity. For maximum shelf life of up to 24 months, store them below 20C in a dry environment. Proper storage preserves their low hydrogen content, optimizing weld quality and minimizing defects.

FAQ's of Super Duplex Steel UNS S32750 Electrodes:

Q: How should Super Duplex Steel UNS S32750 Electrodes be stored to prevent moisture absorption?

A: It is recommended to store these electrodes in a dry location below 20C and use sealed vacuum packs or moisture-resistant boxes. Proper storage is crucial to maintaining low hydrogen levels and preventing moisture pickup, which ensures consistent weld quality.

Q: What types of welding applications are best suited for these electrodes?

A: Super Duplex Steel UNS S32750 Electrodes are specifically designed for welding super duplex stainless steel in critical structures like pipes, pressure vessels, marine and offshore equipment, and in chemical and petrochemical plants where high strength and corrosion resistance are essential.

Q: When is it appropriate to use these electrodes for welding?

A: These electrodes should be used when high mechanical strength, impact toughness at low temperatures, and excellent corrosion resistance are required, particularly in environments with exposure to aggressive media, seawater, or hazardous chemicals.

Q: Where can these electrodes be used in terms of welding positions?

A: They are suitable for use in all standard welding positions, such as flat, horizontal, vertical, and overhead, facilitating flexibility in both fabrication and repair operations across diverse industrial settings.

Q: What is the process for using Super Duplex Steel UNS S32750 Electrodes in manual metal arc welding?

A: During MMA (manual metal arc) welding, select an appropriately sized electrode (2.5, 3.2, or 4.0 mm diameter) and ensure base materials are clean. Use recommended current settings for rutile/basic coated electrodes, and follow all safety protocols and manufacturer guidelines for best results.

Q: What are the key benefits of these super duplex electrodes over standard stainless steel electrodes?

A: These electrodes provide greater strength, higher toughness at low temperatures, and superior resistance to chlorides and stress corrosion cracking. They are also designed for low hydrogen content, which reduces the risk of weld-related defects.

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