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Coils · Mother coil · ASTM A240

Super Duplex 2507 Mother CoilASTM A240 · ASTM A480 / mill standard · Manufacturer, stockist & exporter, India

UNS S32750 · W.Nr 1.4410

A Super Duplex 2507 mother coil is full-width coil straight from the rolling mill, made from Super Duplex 2507 to ASTM A240. Mother coils are bought by service centres and tube mills for slitting and processing.

  • ASTM A240
  • ASTM A480 / mill standard
  • EN 10204 3.1 / 3.2
  • Export packing

Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026

Price & availability

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Quotations within one working day, in INR or USD.

What is a Super Duplex 2507 Mother Coil?

What it is
Full-width coil straight from the rolling mill
Material
ASTM A240
Dimensions
ASTM A480 / mill standard
Grade
Super Duplex 2507 · UNS S32750
Best at
Seawater and high-chloride service where strength also matters
IDstrip width Wthickness t
TYPE · MOTHER COILMATL · ASTM A240DIM · ASTM A480 / mill standardGRADE · 2507

Super Duplex 2507 Mother Coil Specification

ProductSuper Duplex 2507 Mother Coil
Material standardASTM A240
Dimensional standardASTM A480 / mill standard
Thickness0.1 – 6 mm by route
WidthMill width or slit to order
TestingPMI · dimensional · NDT and IGC on request
DocumentsEN 10204 3.1 · 3.2 with third-party inspection

When to Choose a Mother Coil

Mother coils are bought by service centres and tube mills for slitting and processing.

  • Full mill width
  • Hot or cold rolled
  • Heavy coil weights

More on choosing: Mother coil guide.

Super Duplex 2507 Mother Coil: Why 2507 for mother coils

Mother coils are bought by service centres and tube mills for slitting and processing. In Super Duplex 2507, the choice usually comes down to the medium and temperature — the rows here are the points buyers check for this exact combination.

Why this gradeDuplex coil is used for strong, light formed parts. Super Duplex 2507 is picked for seawater and high-chloride service where strength also matters.
Typical serviceOffshore & subsea — Seawater injection, firewater and subsea piping.

Super Duplex 2507 Mother Coil Chemical Composition

ElementWeight %
Chromium24.0 – 26.0
Nickel6.0 – 8.0
Molybdenum3.0 – 5.0
Nitrogen0.24 – 0.32
Copper0.50 max
Carbon0.030 max
Manganese1.20 max
Silicon0.80 max

Super Duplex 2507 Mother Coil Mechanical Properties

Solution-annealed plate & sheetValue
Tensile strength795 MPa · 116 ksi
Yield strength 0.2%550 MPa · 80 ksi
Elongation15%
Hardness310 HB max

Full chemistry, properties and equivalents are on the Super Duplex 2507 grade page.

Other Super Duplex 2507 coils

Super Duplex 2507 Mother Coils for export

FOB / CIF · Nhava Sheva (JNPT), Mumbai

Super Duplex 2507 Mother Coil — questions buyers ask

What width is a mother coil?

Full mill width, typically 1000 – 1600 mm depending on the mill.

Which standard covers Super Duplex 2507 mother coils?

The material is ASTM A240; dimensions follow ASTM A480 / mill standard. Always state both on your purchase order, with the edition if your project specifies one.

What decides the price of a Super Duplex 2507 mother coil?

The alloy price, the size and dimensions, quantity, and the testing and documents required. Send your list and we quote the same working day.

What documents do you supply?

EN 10204 3.1 mill certificates as standard, 3.2 with third-party inspection on request, plus dimensional and PMI reports.

Reviewed by the technical team, Kanak Steel & Engineering Co.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026
India · Gulf · South-East Asia · South America · Europe · USA · UKSend your 2507 Mother Coil enquiry today.
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