Why Engineers Specify Super Duplex 2507 Pipe for Critical Service ?
Sour Service Qualified
Accepted under NACE MR0175/ISO 15156-3 within defined limits.
Nearly Double 316L Strength
Minimum yield of 550 MPa, per ASTM A790.
PREN Above 40
High Cr, Mo and N content drives strong pitting resistance.
Superior Chloride SCC Resistance
Ferrite phase blocks crack propagation under stress.
UNS S32750 Pipe Spec Highlights

Enquire With ASTM A790 UNS S32750 Pipe Supplier In India For Sch 10S To Sch 80S Sizes
One inquiry brings a combined quote for seamless and welded super duplex pipe. Our ASTM A790 UNS S32750 pipe covers Sch 10S through Sch 80S. Thicker Sch 160 and XXS follow ASME B36.10M on order. Every length gets solution annealed and water quenched. Heat numbers stay stencilled for traceability. Buyers searching duplex 2507 pipe or 2507 stainless steel pipe get identical S32750 chemistry. Duplex 2507 and super duplex 2507 name the same grade.
Road shipments leave Mumbai for Pune, Ahmedabad, Rajkot and Gujarat. Other routes cover Delhi, Ghaziabad, Bengaluru, Chennai, Kolkata and Nagpur. Fabricators often pair super duplex 2507 welded pipe with A182 F53 forged fittings. A815 buttweld fittings, A240 plate and A276 bar ship in the same load. This keeps one MTC pack per heat. Processing plants also buy from us as a Super Duplex 2507 Pipe supplier in India.
Super Duplex 2507 Pipe Specification
Fabrication and testing parameters behind those figures guide your procurement paperwork and delivery review.
A790 S32750 Pipe Dimension Standard
ASME B36.19M (5S – 80S) / B36.10M (heavier walls)
Duplex 2507 Pipe End Preparation
Plain, bevelled to ASME B16.25 or threaded
2507 Stainless Pipe Length
Single random, double random or cut to length
SA790 2507 Pipe Pressure Test
Hydrostatic or electric NDE on every length
UNS S32750 Pipe EU Compliance
CE marked, mill-certified to PED 2014/68/EU
SAF 2507 Tube Identification
Spec, grade, size, heat no. & make stencilled
ASTM A790 UNS S32750 Pipe Wall Thickness Chart
Millimeter dimensions per ASME B36.19M cover the top-selling wall grades for super duplex steel 2507 seamless pipe.
| NB (inch) | OD (mm) | Sch 10S | Sch 40S | Sch 80S |
|---|---|---|---|---|
| 1/2 | 21.3 | 2.11 | 2.77 | 3.73 |
| 3/4 | 26.7 | 2.11 | 2.87 | 3.91 |
| 1 | 33.4 | 2.77 | 3.38 | 4.55 |
| 1-1/2 | 48.3 | 2.77 | 3.68 | 5.08 |
| 2 | 60.3 | 2.77 | 3.91 | 5.54 |
| 3 | 88.9 | 3.05 | 5.49 | 7.62 |
| 4 | 114.3 | 3.05 | 6.02 | 8.56 |
| 6 | 168.3 | 3.40 | 7.11 | 10.97 |
| 8 | 219.1 | 3.76 | 8.18 | 12.70 |
| 10 | 273.0 | 4.19 | 9.27 | 12.70 |
| 12 | 323.8 | 4.57 | 9.53 | 12.70 |
| 24 | 609.6 | 6.35 | 9.53 | 12.70 |
Duplex 2507 Pipe Chemical Composition
Chemical makeup restrictions for S32750 follow certified specification tables, measured in mass proportions.
SAF 2507 Pipe Price per Kg Drivers
Several variables shift super duplex 2507 pipe price in India between separate purchase requests.
Moly & Nickel
3–5% Mo, 6–8% Ni • Alloy surcharge swings
Route of Make
Seamless highest • A928 EFW for big bores
Kg per Length
2″ Sch 40S, 6 m • About 32.4 kg
Extra Testing
A923, G48, NACE • Priced per heat
Mill Origin
European vs Asian mill • Named on offer
Tonnage & Port
Durban CIF or FOB • Bulk lowers per-kg
Trusted Super Duplex 2507 Pipe Manufacturer Operating From Mumbai Since 2007
Share your operating pressure and our team recommends the correct S32750 thickness.
UNS S32750 Pipe Mechanical Properties
Ambient-condition minimums apply after annealing across 1025–1125°C (1880–2060°F), followed by rapid quenching.
800MPa min
Tensile Strength (116 ksi)
550MPa min
Yield Strength (80 ksi)
15% min
Elongation in 2 in. (50 mm)
32HRC max
Hardness (300 HBW max)
Provide size, wall type, length count and application, and we respond with pricing matched to your delivery location.
2507 Stainless Steel Pipe vs 316L for Seawater Lines
Facilities upgrade materials after repeated corrosion issues, choosing Super Duplex 2507 Pipe Stockist in India.
2507
Super duplex for brine, seawater and high-pressure RO feed
- UNS NumberS32750
- Chromium24.0 – 26.0%
- Molybdenum3.0 – 5.0%
- Tensile / Yield (min)800 / 550 MPa
VS
316L
Austenitic grade for mild chloride and utility service
- UNS NumberS31603
- Chromium16.0 – 18.0%
- Molybdenum2.0 – 3.0%
- Tensile / Yield (min)485 / 170 MPa
SAF 2507 Welded Pipe Supplier Shipping Worldwide From Our Mumbai Facility
Batch traceability records get attached to shipping documents before loading begins.
Duplex 2507 Pipe & Tube Types
Various product types leave our facility supporting chemical, offshore and thermal transfer applications using S32750.

ASTM A790 S32750 Seamless Pipe
- Hot-finished or cold-drawn
- No weld seam to inspect
- Sch 10S to Sch 80S stock

Super Duplex 2507 Welded Pipe
- Made under ASTM A790
- Automatic weld, no filler metal
- Annealed and quenched after welding

A928 EFW 2507 Pipe
- Fusion welded with filler metal
- Classes 1 to 5 by radiography
- Suited to large bore headers

ASME SA789 2507 Tube
- Sized by actual OD and wall
- Wall called out in BWG
- Exchanger and cooler bundles

2507 Stainless Steel Sch 80S Pipe
- Thicker wall for high pressure
- Common on injection manifolds
- Plain or bevelled ends

SAF 2507 Cold Drawn Pipe
- Tighter OD and wall tolerance
- Smoother bore finish
- Small NB precision runs
Purchase Super Duplex Steel 2507 Seamless Pipe With NACE MR0175 Compliance For Sour Service
H2S and produced-water lines need certification beyond a basic mill report. Order SAF 2507 seamless pipe with NACE MR0175 / ISO 15156-3 marked on procurement paperwork. Batch hardness values then appear on the certificate. Duplex 2507 pipe for sour duty still meets standard ASTM A790 chemistry. Your project spec drives the added checks. As a Super Duplex 2507 Pipe manufacturer in India we also handle general utility piping across the same facility.
Sour-Service Standard
NACE MR0175 / ISO 15156-3
Heat Condition
Solution Annealed, No Cold Work
Hardness Record
Per Heat on EN 10204 3.1
Traceability
Heat No. Stencilled Per Length
ASTM A790 UNS S32750 Pipe: NACE, PMI & Hardness Checks
Extra verification steps for a 2507 pipe MTC prevent rejection during customer receiving procedures.
Sour Service
NACE MR0175 / ISO 15156-3 statement
PMI Test
XRF check of Cr, Ni and Mo per length
Hardness HRC Test
Recorded against the 32 HRC A790 cap
Intermetallic Check
ASTM A923 Method A or C
Pitting Test
ASTM G48 Method A on request
PREN on PO
State PREN ≥ 40 per heat
UNS S32750 Seamless Pipe Stockist Supplying Projects Nationwide Since 2007
Maintenance teams collect ready lengths directly from stock without production lead time.
SAF 2507 Seamless Pipe Equivalent Grades
Operating as a Super Duplex 2507 Pipe supplier in India and metallurgical specialist, we verify every designation carefully.
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UNS
S32750
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ASTM / ASME Pipe
A790 / SA790 S32750
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ASTM Forging Grade
A182 F53
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Werkstoff Nr.
1.4410
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EN Steel Name
X2CrNiMoN25-7-4
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EN Tube Standard
EN 10216-5 / EN 10217-7
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Swedish Standard
SS 2328
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Trade Name
SAF 2507
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GB (China)
022Cr25Ni7Mo4N
ASTM A789 2507 Tube for Geothermal Systems & Heat Exchangers
Purchase specifications for 2507 tubing follow separate rules than piping, suiting saline chillers and equipment.
ASTM A789 Tube, Not A790
Tubing is bought on actual OD and wall, not NB and schedule.
3/4″ × 16 BWG
16 BWG equals 0.065″ (1.65 mm) wall.
1″ × 14 BWG
14 BWG equals 0.083″ (2.11 mm) wall.
Straight or U-Bent
Shipped to Mombasa in wooden cases with end caps.
Duplex 2507 Pipe Applications
Industries selecting 2507 pipe for the oil and gas industry and seawater service most frequently.
Global Reach
Super Duplex Steel 2507 Seamless Pipe Supply Across Offshore & Process Markets
Ex-stock inventory and mill-order dispatch to buyers across our core origin and export markets.
ASTM A928 Duplex 2507 Pipe Supplier Offering Complete Weld Certification Packages
Inspection grade and consumable information appear within each welded pipe document.
2507 Stainless Steel Pipe Lead Times
An approximate timeline starts once payment and purchase order receive official confirmation.
- Stocked sizes leave in 2–5 working days
- Includes PMI and MTC collation
- Bevelling or TPI adds a few days
- Boxed at our yard, sailed via Nhava Sheva
- Best value for full lengths and bundles
- FCL or LCL booked to your port
- Kept for urgent repair spools
- Cut lengths fit standard air cargo
- Flown out of Mumbai airport
- Quoted once your discharge port is known
- Customs time at destination is extra
- Vessel schedule shared with the offer
Super Duplex 2507 Tubing Export Lanes
Serving as a Super Duplex 2507 Pipe exporter and logistics partner, combined shipments travel together.
UAE
Super duplex pipe to Jebel Ali
Saudi Arabia
A790 S32750 into Dammam
Netherlands
PED-documented lots to Rotterdam
Singapore
Offshore yard spool material
South Africa
SAF 2507 pipe through Durban
Kenya
Exchanger tubing via Mombasa
Canada
CRN data packs on request
United States
ASME SA790 marked lengths
Super Duplex 2507 Pipe FAQs
Concise replies to common Super Duplex 2507 Pipe questions before customers order.
What is the super duplex 2507 pipe price per kg in India?
- It tracks molybdenum and nickel surcharges, so it changes often
- Seamless or welded, size, schedule, testing and tonnage all shift it
- Send your list and we return a dated written rate per kg
What is the material code for super duplex 2507 pipe?
- UNS S32750 is the code used on ASTM A790 / ASME SA790 pipe
- European code is 1.4410 (X2CrNiMoN25-7-4)
- Forged fittings in the same alloy are A182 F53
What does a super duplex 2507 datasheet cover?
- Chemistry: 24.0–26.0% Cr, 6.0–8.0% Ni, 3.0–5.0% Mo, 0.24–0.32% N
- Strength: 800 MPa tensile, 550 MPa yield, 15% elongation minimum
- Hardness: 32 HRC / 300 HBW maximum under ASTM A790
Super duplex 2507 vs 316: which suits seawater?
- 2507 carries 24.0–26.0% Cr and 3.0–5.0% Mo; 316L carries 16.0–18.0% Cr and 2.0–3.0% Mo
- 2507 minimum yield is 550 MPa against 170 MPa for 316L
- For warm seawater and brine, 2507 is the usual pick
Is your 2507 pipe CE, PED and NACE MR0175 compliant?
- CE marked material, mill-certified to PED 2014/68/EU, is available
- NACE MR0175 / ISO 15156-3 compliance stated on the MTC when ordered
- EN 10204 3.1 standard, 3.2 with third-party witness on request



