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Golden Steel Material is a premier ISO-certified stockist based in Al Jubail. We supply high-performance pipes, fittings, valves, and flanges to the Oil & Gas and Industrial sectors across Saudi Arabia and the GCC.

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Monel Pipe Fittings

Monel Pipe
Sizes: 1/2" NB to 48" NB
WT (Thickness): Sch 10S, 40S, 80S, XS, XXS
Type: Seamless, Welded, Fabricated
Standard: ASTM B366 / ASME SB366
Length: Custom Length & Standard Radius
Surface Finish: Pickled, Sand Blasted, Polished
Ends: Plain End, Beveled End, Threaded
Origin: India, Japan, USA, Europe
goldenislands.com.sa

Monel Pipe Fittings are premium nickel-copper alloy components engineered for piping systems that demand superior strength and exceptional resistance to corrosive environments. Produced in strict accordance with the ASTM B366 and ASME SB366 specifications, these Monel buttweld fittings excel in both marine engineering and chemical processing applications. Their balanced chemistry provides excellent resistance to hydrofluoric acid, sulfuric acid, alkalis, and rapidly flowing seawater, making them highly reliable for offshore oil and gas production, marine hardware, and desalination plants.

We supply a diverse inventory of configurations including Monel elbows, tees, reducers, stub ends, and caps. These high-performance components are available in grades such as Monel 400 and Monel K500 in both seamless and welded configurations. Because they maintain structural integrity across a wide temperature spectrum—from sub-zero cryogenic conditions up to 840°F (449°C)—our Monel fittings guarantee durable, leak-proof installations for critical piping networks.



Monel Pipe Fittings Features

  • » Certification: MTC EN 10204 type 3.1 & NABL Approved Lab Reports
  • » Global Standards: ASTM B366, ASME SB366, DIN, EN, and JIS
  • » Supply Network: Ready stock available for marine, offshore, and naval piping networks
  • » Value Added Services: Satin/Mirror Polishing, Precise Custom Beveling, and Plasma Cutting
  • » Quality Assurance: 100% NDT (Radiography, Ultrasonic, and Hydrostatic) Tested
  • » Corrosion Performance: Immune to chloride-induced stress corrosion cracking and resistant to alkalis
  • » End Connections: Plain End, Beveled End, and Threaded ends available per customer specifications
  • » Product Diversity: Wide selection of Seamless & Welded Monel 400 and K500 Elbows, Tees, and Reducers

Monel Pipe Fittings Specification

Monel Size Range

  • Seamless Fittings: 1/2" NB to 12" NB
  • Welded Fittings: 1/2" NB to 48" NB
  • Fittings Thickness: Sch 10S to Sch XXS
  • Bends Radius: 3D, 5D, 8D, and 10D Radius

Elbow Specification

  • Angle: 45 Deg, 90 Deg, 180 Deg
  • Radius: Long Radius (LR) & Short Radius (SR)
  • Production: Mandrel Formed, Cold Drawn
  • Standards: ASME B16.9, MSS-SP-43

Tee & Cross Specs

  • Equal Tee & Reducing Tee
  • Straight Cross & Reducing Cross
  • Forming: Forged, Cold Formed
  • Ends: Buttweld (BW) Connections

Reducer Details

  • Concentric Reducers
  • Eccentric Reducers
  • Function: Safe line diameter adjustment
  • Ends: Beveled Ends for on-site welding

Stub Ends & Caps

  • Stub Ends: Long & Short Pattern
  • End Caps: Standard Ellipsoidal
  • Standards: MSS-SP-43, ASME B16.9
  • Application: Dead-ending & mating flanges

Material Grade

  • Monel 400 (UNS N04400 / W.Nr. 2.4360)
  • Monel K500 (UNS N05500 / W.Nr. 2.4375)
  • Specification: ASTM B366 / ASME SB366
  • Type: Nickel-Copper Alloy

Nipple & Union Specs

  • Swage Nipples: Concentric / Eccentric
  • Hex Nipples & Barrel Nipples
  • Unions: Socket Weld, Screwed
  • Pressure Class: 3000#, 6000#

Testing & Quality

  • Positive Material Identification (PMI)
  • Chemical & Mechanical testing
  • Radiography and Ultrasonic testing
  • Third-Party Inspection accepted

Value Added Services

  • Pickling, Passivation & Sand Blasting
  • Satin and Mirror Polishing
  • Precision Machining per client print
  • Export-worthy Wooden Crate packing

Monel Pipe Fittings Detailed Specifications

Specification Details
Specification Monel : ASTM B366, ASME B366, ASTM B564, ASME SB564, ASTM B865, ASME SB865
Monel Grades Alloy 400/Monel 400/UNS N04400/2.4360, Alloy K-500/Monel K-500/UNS N05500/2.4361
Type Seamless / Welded / Fabricated
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Size Range 1/2" NB to 48" NB in Sch 10s, 40s, 80s, 160s, XXS
Dimensions ANSI/ASME B16.9, B16.28, MSS-SP-43.
Pressure Ratings Threaded: 2000lb, 3000lb, 6000lb; Socket-weld: 3000lb, 6000lb, 9000lb
Thickness SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXS
Surface Treatment Transparent oil, rust-proof black oil, or hot-dip galvanizing
Test Certificates EN 10204 3.1B, Raw Material Certificate, 100% Radiography, Ultrasonic (UT), Hydrostatic Test Report, Third-Party Inspection
Key Markets Oil & Gas Pipelines, Heavy Oil Refineries, Petrochemicals, Power Generation

Types of Monel Pipe Fittings

Monel Elbow

Monel Elbow

Monel Tee

Monel Tee

Monel Stub End

Monel Stub End

Monel Reducer

Monel Reducer

Monel End Cap

Monel End Cap

Monel Nipple

Monel Nipple

Type of ASTM B366 Monel 400 Pipe Fittings

  • ASTM B366 Monel 400 90° Elbow
  • ASTM B366 Monel 400 45° Elbow
  • ASTM B366 Monel 400 Long Radius Elbow
  • ASTM B366 Monel 400 Short Radius Elbow
  • ASTM B366 Monel 400 Reducing Elbow
  • ASTM B366 Monel 400 3D Elbow
  • ASTM B366 Monel 400 5D Elbow
  • ASTM B366 Monel 400 Tee (Equal & Unequal)
  • ASTM B366 Monel 400 Fabricated Tee
  • ASTM B366 Monel 400 Cross
  • ASTM B366 Monel 400 Reducing Crosses
  • ASTM B366 Monel 400 Full Coupling
  • ASTM B366 Monel 400 Half Coupling
  • ASTM B366 Monel 400 Pipe Cap
  • ASTM B366 Monel 400 Union
  • ASTM B366 Monel 400 Stub Ends (Long & Short)
  • ASTM B366 Monel 400 180° LR Return Bends
  • ASTM B366 Monel 400 180° SR Return Bends
  • ASTM B366 Monel 400 Pipe Bends / Piggable Bends
  • ASTM B366 Monel 400 Couplings
  • ASTM B366 Monel 400 Pipe Nipples (Barrel)
  • ASTM B366 Monel 400 Forged/ Plate Cut Rings
  • ASTM B366 Monel 400 End Caps
  • ASTM B366 Monel 400 Forged / Plate Circles
  • ASTM B366 Monel 400 Reducer Insert
  • ASTM B366 Monel 400 Reducers
  • ASTM B366 Monel 400 Concentric Reducer
  • ASTM B366 Monel 400 Eccentric Reducer
  • ASTM B366 Monel 400 Boss
  • ASTM B366 Monel 400 Branch Outlet
  • ASTM B366 Monel 400 90° Elbow Outlet
  • ASTM B366 Monel 400 45° Lateral Tee
  • ASTM B366 Monel 400 Lateral Outlet
  • ASTM B366 Monel 400 Branch Outlet Buttweld
  • ASTM B366 Monel 400 90° Elbow Outlet Buttweld
  • ASTM B366 Monel 400 Lateral Outlet Buttweld
  • ASTM B366 Monel 400 Nipple Branch Outlet Buttweld
  • ASTM B366 Monel 400 Dairy Fitting

List of steel standards developed by ASTM

Specification Description
ASTM A53 / A53M – 12 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
ASTM A106 / A106M – 13 Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service
ASTM A134 – 96(2012) Standard Specification for Pipe, Steel, Electric-Fusion (Arc)-Welded (Sizes NPS 16 and Over)
ASTM A135 / A135M – 09 Standard Specification for Electric-Resistance-Welded Steel Pipe
ASTM A139 / A139M – 04(2010) Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over)
ASTM A178 / A178M – 02(2012) Standard Specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes
ASTM A179 / A179M – 90a(2012) Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes
ASTM A192 / A192M – 02(2012) Standard Specification for Seamless Carbon Steel Boiler Tubes for High-Pressure Service
ASTM A210 / A210M – 02(2012) Standard Specification for Seamless Medium-Carbon Steel Boiler and Superheater Tubes
ASTM A214 / A214M – 96(2012) Standard Specification for Electric-Resistance-Welded Carbon Steel Heat-Exchanger and Condenser Tubes
ASTM A252 – 10 Standard Specification for Welded and Seamless Steel Pipe Piles
ASTM A254 / A254M – 12 Standard Specification for Copper-Brazed Steel Tubing
ASTM A381 – 96(2012) Standard Specification for Metal-Arc-Welded Steel Pipe for Use With High-Pressure Transmission Systems
ASTM A423 / A423M – 09 Standard Specification for Seamless and Electric-Welded Low-Alloy Steel Tubes
ASTM A450 / A450M – 10 Standard Specification for General Requirements for Carbon and Low Alloy Steel Tubes
ASTM A498 – 06 Standard Specification for Seamless and Welded Carbon Steel Heat-Exchanger Tubes with Integral Fins
ASTM A500 / A500M – 13 Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes
ASTM A501 – 07 Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing
ASTM A512 – 06(2012) Standard Specification for Cold-Drawn Buttweld Carbon Steel Mechanical Tubing
ASTM A513 / A513M – 12 Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing
ASTM A519 – 06(2012) Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
ASTM A523 – 96(2012) Standard Specification for Plain End Seamless and Electric-Resistance-Welded Steel Pipe for High-Pressure Pipe-Type Cable Circuits
ASTM A524 – 96(2012) Standard Specification for Seamless Carbon Steel Pipe for Atmospheric and Lower Temperatures
ASTM A530 / A530M – 12 Standard Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe
ASTM A556 / A556M – 96(2012) Standard Specification for Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes
ASTM A587 – 96(2012) Standard Specification for Electric-Resistance-Welded Low-Carbon Steel Pipe for the Chemical Industry
ASTM A589 / A589M – 06(2012) Standard Specification for Seamless and Welded Carbon Steel Water-Well Pipe
ASTM A595 / A595M – 11 Standard Specification for Steel Tubes, Low-Carbon or High-Strength Low-Alloy, Tapered for Structural Use
ASTM A618 / A618M – 04(2010) Standard Specification for Hot-Formed Welded and Seamless High-Strength Low-Alloy Structural Tubing
ASTM A671 / A671M – 13 Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures
ASTM A672 / A672M – 09 Standard Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures
ASTM A691 / A691M – 09 Standard Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures
ASTM A714 – 99(2009)e1 Standard Specification for High-Strength Low-Alloy Welded and Seamless Steel Pipe
ASTM A733 – 13 Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples
ASTM A787 / A787M – 09 Standard Specification for Electric-Resistance-Welded Metallic-Coated Carbon Steel Mechanical Tubing
ASTM A795 / A795M – 13 Standard Specification for Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless Steel Pipe for Fire Protection Use
ASTM A822 / A822M – 04(2010) Standard Specification for Seamless Cold-Drawn Carbon Steel Tubing for Hydraulic System Service
ASTM A847 / A847M – 12 Standard Specification for Cold-Formed Welded and Seamless High-Strength, Low-Alloy Structural Tubing with Improved Atmospheric Corrosion Resistance
ASTM A865 / A865M – 06(2012) Standard Specification for Threaded Couplings, Steel, Black or Zinc-Coated (Galvanized) Welded or Seamless, for Use in Steel Pipe Joints
ASTM A972 / A972M – 00(2010) Standard Specification for Fusion Bonded Epoxy-Coated Pipe Piles
ASTM A984 / A984M – 03(2009) Standard Specification for Steel Line Pipe, Black, Plain-End, Electric-Resistance-Welded
ASTM A1005 / A1005M – 00(2010) Standard Specification for Steel Line Pipe, Black, Plain End, Longitudinal and Helical Seam, Double Submerged-Arc Welded
ASTM A1006 / A1006M – 00(2010) Standard Specification for Steel Line Pipe, Black, Plain End, Laser Beam Welded
ASTM A1020 / A1020M – 02(2012) Standard Specification for Steel Tubes, Carbon and Carbon Manganese, Fusion Welded, for Boiler, Superheater, Heat Exchanger and Condenser Applications
ASTM A1024 / A1024M – 02(2012) Standard Specification for Steel Line Pipe, Black, Plain-End, Seamless
ASTM A1037 / A1037M – 05(2012) Standard Specification for Steel Line Pipe, Black, Furnace-Butt-Welded
ASTM A1065 / A1065M – 09 Standard Specification for Cold-Formed Electric-Fusion (Arc) Welded High-Strength Low-Alloy Structural Tubing in Shapes, with 50 ksi [345 MPa] Minimum Yield Point
ASTM A1076 / A1076M – 13 Standard Specification for Cold Formed Carbon Structural Steel Tubing Made from Metallic Precoated Sheet Steel
ASTM A1085 – 13 Standard Specification for Cold-Formed Welded Carbon Steel Hollow Structural Sections (HSS)

Monel Pipe Fittings Chemical Composition

Element Monel 400 (Value %) Monel K-500 (Value %)
Nickel (Ni) 63.0 min 63.0 min
Copper (Cu) 28.0 – 34.0 27.0 – 33.0
Iron (Fe) 2.5 max 2.0 max
Manganese (Mn) 2.0 max 1.5 max
Aluminum (Al) - 2.3 – 3.15
Titanium (Ti) - 0.35 – 0.85
Carbon (C) 0.3 max 0.25 max
Silicon (Si) 0.5 max 0.5 max
Sulfur (S) 0.024 max 0.01 max

Monel Pipe Fittings Mechanical Properties

Physical Properties

Property Monel 400 Monel K-500
Tensile Strength (MPa) 480 min 758 min
Yield Strength (0.2% Offset, MPa) 195 min 551 min
Elongation (%) 35 min 20 min
Hardness (Brinell HB) 135 – 215 max 135 – 300 max
Density (g/cm³) 8.80 8.44
Melting Point 1300 – 1350 °C 1315 – 1350 °C

Monel Pipe Fittings Ready Stock At Golden Steel Material

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Industrial Locations & Keywords

Industrial Locations & Keywords
Riyadh Industrial Cities (1st, 2nd, 3rd & Sudair)
Jeddah Industrial Cities (1st, 2nd & 3rd)
Dammam Industrial Areas (1st, 2nd & 3rd)
Jubail Industrial City
Yanbu Industrial City
Rabigh Industrial City
Al Khobar Industrial Area
Al Ahsa Industrial City
Madinah Industrial City
Makkah Industrial City
Taif Industrial City
Tabuk Industrial City
Jazan Industrial City
Industrial supplier in Saudi Arabia
Pipe fittings supplier in Jubail / Dammam / Riyadh
Flange and valve supplier Saudi Arabia
Fast delivery industrial materials KSA
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