ASTM A403 SMO 254 Buttweld Fittings - Manufacturer of UNS S31254 Pipe Fittings in India

Supplier of 254 SMO Elbow, Cross, Tee Pipe Fittings | WNR 1.4547 Buttweld Reducer, End Cap, Pipe Bends, Stub End At Best Price - 1/2" to 24" Inch.

Prime Steel is a reputable manufacturer specializing in the production of high-quality SMO 254 buttweld fittings. With a commitment to excellence and precision engineering, We have established itself as a trusted supplier in the industry. Our team of skilled engineers and technicians works meticulously to craft buttweld fittings that meet the exact requirements and specifications of customers. We remain dedicated to providing top-notch products and exceptional service to our clientele worldwide.

Product Details

  • Type: Buttweld Pipe Fittings

  • Material: high-alloy austenitic stainless steel

  • ASTM: A403 / SA403

  • Grade: SMO 254

  • UNS: UNS S31254

  • WNR: 1.4547

  • AFNOR / EN :Z1 CNDU 20.18.06Az / X1CrNiMoCuN20-18-7

Specifications of SMO 254 Buttweld Fittings

Standards 01

ASTM A403 / ASME SA403 SMO 254


Size range 02

Seamless Fittings: 1/2" - 24"
Welded Fittings: 4" - 72"

Types / Form 03

Seamless, Welded & Fabricated / Elbow, Tee, Reducer, Stub End, Cross, Cap

DIMENSIONS 04

ASME/ ANSI B16.9 | ASME B16.28 | MSS-SP-43 | BS1560 | BS4504 | BS10


Wall Thickness / Schedules 03

5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, Sch XXS

APPLICATIONS 06

oil and gas, petrochemicals, power generation, marine and food & beverage process lines, and water treatment

ASTM A403 SMO 254 Pipe Fittings

SMO 254 pipe fittings are essential components in piping systems designed to withstand highly corrosive environments. These fittings are made from SMO 254, a high-alloy austenitic stainless steel renowned for its exceptional resistance to corrosion, particularly in chloride-containing environments.

SMO 254 buttweld fittings exhibit excellent resistance to various corrosive media, including chloride ions, acids (such as sulfuric acid and hydrochloric acid), and seawater. This resistance makes them suitable for use in industries such as chemical processing, petrochemical, offshore and marine, pulp and paper, and desalination plants.

SMO 254 pipe fittings are designed for easy weldability and fabrication, allowing for efficient installation and assembly. They can be welded using various welding techniques, including TIG (tungsten inert gas) welding, MIG (metal inert gas) welding, and SMAW (shielded metal arc welding), among others.

Types of SMO 254 Buttweld Fittings

Check ANSI B16.28 / ASME B16.9 Buttweld Pipe Fittings Dimensions Download

Equivalent Grades of SMO 254 Elbow Fittings

STANDARD UNS WERKSTOFF NR. AFNOR EN JIS SIS GOST
SMO 254 S31254 1.4547 Z1 CNDU 20.18.06Az X1CrNiMoCuN20-18-7 2378

Chemical Composition of SMO 254 Equal & Unequal Cross

SMO 254 Ni C Mo Mn Si Fe Cu S P Cr
17.5 – 18.5 0.02 max 6 – 6.5 1 max 0.8 max 0.5 – 1 0.01 max 0.03 max 19.5 – 20.5

Mechanical Properties of ASME SA403 SMO 254 Eccentric & Concentric Reducer

Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
8.0 g/cm3 1320-1390 ℃ 300 650 35 %
SMO 254 is a high-alloy austenitic stainless steel known for its exceptional corrosion resistance, particularly in chloride-rich environments. It contains high levels of chromium, molybdenum, nickel, nitrogen, and copper, which contribute to its superior properties.
SMO 254 buttweld fittings are available in various types, including elbows, tees, reducers, caps, stub ends, crosses, and more. These fittings enable changes in direction, size, or flow within a piping system while maintaining the integrity of the pipeline.
SMO 254 buttweld fittings are manufactured in a wide range of sizes to accommodate different piping system requirements. Common sizes range from NPS 1/2 (DN 15) to NPS 24 (DN 600), but larger or custom sizes may also be available depending on the manufacturer.
SMO 254 buttweld fittings can be welded using various welding techniques, including TIG (tungsten inert gas) welding, MIG (metal inert gas) welding, and SMAW (shielded metal arc welding). These welding methods ensure a strong and reliable connection between fittings and pipes.

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