Alloy Steel P9 / T9 (UNS S50400 / 1.7386 / 9Cr-1Mo) Supplier in India – Dipti Metal Industries

Dipti Metal Industries, established in 2009 by Mr. Kumpsingh Rajput, is a trusted manufacturer, supplier & exporter of Alloy Steel P9 / T9 (UNS S50400 / 1.7386 / 9Cr-1Mo) in India.
We supply UNS S50400 pipes, UNS S50400 tubes, UNS S50400 plates, UNS S50400 bars, UNS S50400 forgings, UNS S50400 fittings, and UNS S50400 flanges for high-temperature and creep-resistant service, widely used in power, oil & gas, and petrochemical industries.

🌐 Standards & Global Equivalents

• 🔹 UNS: S50400

• 🔹 Werkstoff Nr. (EN/DIN): 1.7386 (X10CrMo9-1)

• 🔹 ASTM/ASME:

  • ASTM A335 P9 UNS S50400 Pipes

  • ASTM A213 T9 UNS S50400 Tubes

  • ASTM A182 F9 UNS S50400 Flanges & Forgings

  • ASTM A234 WP9 UNS S50400 Fittings

• 🔹 AISI / SAE: 9Cr-1Mo Alloy Steel

• 🔹 BS (UK): 620 B / 622 B

• 🔹 GOST (Russia): 15Kh9M

• 🔹 JIS (Japan): STBA 26 / STPA 26

🛠️ Product Range – UNS S50400

• ✅ UNS S50400 Pipes & Tubes – Seamless & Welded (½″ NB to 24″ NB; OD 6 mm to 254 mm, WT up to 30 mm)

• ✅ UNS S50400 Plates & Sheets – Thickness 3 mm to 100 mm

• ✅ UNS S50400 Bars & Rods – Round, Flat, Hex, Bright (up to 350 mm dia.)

• ✅ UNS S50400 Forgings – Shafts, Slugs, Discs, Custom Shapes

• ✅ UNS S50400 Pipe Fittings – Elbows, Tees, Reducers, Caps, Stub Ends, Crosses

• ✅ UNS S50400 Flanges – Weld Neck, Slip-On, Blind, Threaded, Socket Weld, Lap Joint

⚗️ Chemical Composition (% by weight)

• C: 0.08 – 0.20

• Si: ≤ 1.00

• Mn: 0.30 – 0.60

• P: ≤ 0.025

• S: ≤ 0.025

• Cr: 8.00 – 10.00

• Mo: 0.90 – 1.10

• Ni: ≤ 0.40

• Fe: Balance

⚙️ Mechanical Properties

• 🔧 Tensile Strength (Rm): ≥ 585 MPa

• 🔧 Yield Strength (Rp0.2): ≥ 415 MPa

• 🔧 Elongation: ≥ 20%

• 🔧 Hardness: ≤ 241 HB

• 🔧 Impact Strength: Excellent creep resistance at high temperatures

🏭 Applications of UNS S50400

• 🔥 UNS S50400 Boiler Tubes & Superheaters – Power generation

• 🛢️ UNS S50400 Refinery Pipes – Oil & gas industry

• ⚡ UNS S50400 Heat Exchanger Tubes – Petrochemical plants

• 🏗️ UNS S50400 Pressure Vessel Plates – Industrial furnaces

• 🚆 UNS S50400 Forged Components – Engineering, rail & heavy machinery

📜 Certifications

• ✅ ISO 9001:2015 | ISO 14001:2015 | ISO 45001:2018

• ✅ PED 2014/68/EU | AD 2000 W0 | CE Marking

• ✅ EN 10204 3.1 / 3.2 MTC with full traceability

• ✅ TUV, SGS, BV Approved Supply

❓ Frequently Asked Questions (FAQ)

Q1. What is UNS S50400 (Alloy Steel P9 / T9)?
A 9Cr-1Mo alloy steel used in boiler tubes, refinery piping, and heat-resistant applications.

Q2. Which ASTM standards apply?
ASTM A335 P9 UNS S50400 Pipes, ASTM A213 T9 UNS S50400 Tubes, ASTM A182 F9 UNS S50400 Flanges, ASTM A234 WP9 UNS S50400 Fittings.

Q3. What are UNS S50400’s properties?
High tensile & yield strength, excellent creep resistance, oxidation resistance, thermal stability.

Q4. Where is UNS S50400 used?
In power plants, refineries, petrochemicals, boilers, and pressure vessels.

Q5. Do you provide certification?
Yes ✅ With EN 10204 3.1/3.2, ISO, CE, PED, TUV approvals.

Q6. Do you export UNS S50400 worldwide?
Yes 🌍 To 60+ countries across Asia, Europe, Americas, Middle East, Africa, Oceania.

📞 Get a Quote

Looking for a reliable UNS S50400 (Alloy Steel P9/T9, 1.7386, 9Cr-1Mo) supplier in India?

📧 Email: sales@diptimetal.com
📞 Call / WhatsApp: +91-9975266499

Dipti Metal Industries supplies UNS S50400 pipes, tubes, plates, bars, fittings, flanges & forgings with global certifications and worldwide delivery.