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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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+966 54 662 1439
Al Jubail 35526, Saudi Arabia

ASTM B444/B705/B751 Inconel 625 Tubes

Sizes: 1/8" OD to 10" OD (3.18mm to 273mm)

WT (Thickness): 0.5mm to 16mm (Sch 5S to Sch 160)

Type: Seamless (ASTM B444), Welded (ASTM B705)

Standard: ASTM B444, B705, B751, ASME SB444

Length: Standard 6m, Double Random & Custom Cut

Surface Finish: Bright Annealed, Pickled & Passivated

Ends: Plain Ends, Beveled Ends, Threaded

Origin: Global Stock: USA, Germany, Japan, India

goldenislands.com.sa

Golden Steel Material is a premier Inconel 625 Tubes Supplier in Saudi Arabia, offering high-performance nickel-chromium-molybdenum alloys engineered for superior corrosion resistance and high structural strength. Inconel 625 (UNS N06625) stands out due to its unique niobium-strengthened matrix, which provides excellent mechanical properties without the need for post-weld heat treatment. This makes 625 the go-to specification for offshore oil and gas production, marine piping, desalination cooling loops, and chemical processing equipment where resistance to pitting and crevice corrosion in aqueous or seawater environments is non-negotiable.

As a specialized Inconel 625 seamless and welded tube stockist, we supply tubing manufactured to ASTM B444 (Seamless) and ASTM B705 (Welded) standards. The alloy’s exceptional fatigue strength and resistance to stress-corrosion cracking make it highly reliable for critical applications, including flare stacks, pollution control systems, and process lines that must endure aggressive industrial acids and saline atmospheres. Because the material retains its strength at both cryogenic and elevated temperatures, it is a versatile solution for the complex piping requirements of modern Saudi energy and water infrastructure.

We serve as a trusted Inconel 625 Tubes exporter in Saudi Arabia, ensuring all inventory meets the rigorous quality standards of Saudi Aramco, SABIC, and the SWCC. Every order is fully supported by MTC EN 10204 3.1 certification and undergoes strict PMI and hydrostatic verification. With our specialized supply chain, we are prepared to handle emergency shutdowns, project-critical rush deliveries, and large-scale maintenance turnarounds, providing the high-performance alloy solutions required to keep your coastal and processing facilities operating with maximum uptime.

ASTM B444/B705/B751 Inconel 625 Tubes Features

» Outstanding Corrosion Resistance: Provides superior resistance to pitting, crevice corrosion, and erosion in aggressive media, including seawater, neutral salts, and alkaline environments—essential for the Kingdom’s coastal desalination and offshore infrastructure.
» Niobium-Strengthened Matrix: Alloyed with Niobium (Nb) and Molybdenum (Mo) to provide high-strength mechanical properties without the need for age-hardening treatments, ensuring structural reliability under load.
» Excellent Field Weldability: Features remarkable weldability and is highly resistant to weld-associated cracking. Crucially, it does not require post-weld stress relief, making it the ideal choice for rapid on-site maintenance and complex pipeline repairs during plant turnarounds.
» High Fatigue Resistance: Its inherent high-cycle fatigue strength makes it ideal for dynamic applications, such as flare stack piping and structures subjected to vibration or pressure fluctuations.
» Extreme Temperature Versatility: Maintains high tensile and creep-rupture strength from cryogenic temperatures up to 980°C (1800°F), allowing for standardized material usage across different process stages.
» Resistance to SCC: Offers complete immunity to chloride-ion stress-corrosion cracking (SCC), mitigating the risk of catastrophic failure in high-salinity cooling water loops.
» ASTM & ASME Code Compliance: Manufactured to strict ASTM B444 (Seamless) and ASTM B705 (Welded) standards, providing the documented safety margins required for pressure-bearing piping in energy and chemical sectors.
» Quality Verification Ready: Fully supported by rigorous NDT protocols, including Hydrostatic, Eddy Current, and PMI (Positive Material Identification) testing, satisfying the audit requirements of Saudi Aramco and SABIC.

Approved ASTM B444/B705/B751 Inconel 625 Tubes Supplier in Saudi Arabia

Inconel 625 Seamless Tube Supplier

Inconel 625 Welded Tube

Inconel 625 Tubing Bends

ASTM B444/B705/B751 Inconel 625 Tubes Specification

Product Identity

Alloy: Inconel 625
UNS: N06625
Werkstoff: 2.4856
Standards: ASTM B444 (Seamless), B705 (Welded)
ASME: SB 444, SB 705

Nickel Content (Ni)

Requirement: 58.0% Minimum
Technical Role: Provides an excellent base for aqueous corrosion resistance and metallurgical stability.

Chromium (Cr) Composition

Requirement: 20.0% – 23.0%
Technical Role: Enhances pitting resistance and oxidation protection in aggressive chemical media.

Molybdenum (Mo)

Requirement: 8.0% – 10.0%
Significance: Crucial for resistance to localized (pitting/crevice) corrosion in seawater.

Niobium (Nb + Ta)

Requirement: 3.15% – 4.15%
Advantage: Strengthens the alloy matrix at room and elevated temperatures without requiring aging treatments.

Size Availability

OD Range: 1/8" to 10" (3.18mm to 273mm)
Wall Thickness: 0.5mm to 16mm
Forms: Seamless & Welded (ERW)

Schedule Range

Light Wall: Sch 5S, 10S
Standard: Sch 40S
Heavy Wall: Sch 80S, 160
Duty: High-pressure seawater cooling & chemical lines.

Tensile Properties

Tensile Strength: 827 MPa (120 ksi) Min
Performance: High strength suitable for structural offshore piping.

Yield Strength (0.2% Offset)

Min Strength: 414 MPa (60 ksi)
Stability: Maintains performance under high-pressure process loads.

Elongation

Min Elongation: 30%
Fabrication: Highly ductile, allowing for complex cold-forming and flaring.

Physical Properties

Density: 8.44 g/cm³
Melting Range: 1290°C – 1350°C
Duty: Resists scaling in marine environments.

Weldability

Methods: TIG, MIG, Plasma.
Requirement: No post-weld stress relief needed; excellent for fast field repairs.

Surface Finish

Condition: Solution Annealed.
Options: Bright Annealed, Pickled, Passivated for offshore marine service.

Mandatory Testing

Testing: Hydrostatic, NDT, PMI (Positive Material Identification).
Compliance: Meets severe corrosion code requirements.

Application Sector

Sector: Offshore Oil & Gas, Desalination, Marine Flare Stacks.
Region: Coastal facilities (Red Sea & Arabian Gulf).

ASTM B444/B705/B751 Inconel 625 Tubes Detailed Specifications

Technical Product Details
Item / Trade Name	Inconel Alloy 625 Tube \| ASTM B444/B705/B751 Inconel 625
Available Grades	Inconel 600 (UNS N06600), 601 (N06601), 617, 625 (N06625), 718 (N07718), 740, X-750 (N07751), Incoloy 20, 330, 800 (N08800), 800H (N08810/11), 800HT, 825 (N08825), 925
Standards & Specifications	ASTM / ASME SB 163, 167, 517, 704, 705, 161, 165, 444, 622, 677, 722, 729, 730 \| AMS 5581 \| GB, ISO, EN, JIS
Tube Type	Seamless, Welded (ERW), Fabricated, LSAW Tubes
Size Range (Seamless)	6.35 mm OD to 101.6 mm OD (As per ASTM B163)
Size Range (Welded/ERW)	6.35 mm OD to 152 mm OD (As per ASTM B730)
General Dimensions	OD: 10mm - 219mm \| Length: 1000mm - 15000mm
Wall Thickness	0.5mm to 60mm \| SWG: 10, 12, 14, 16, 18, 20 Swg
Condition & Finish	Condition: Hard (Y) / Soft (M) Finish: Polished, Annealed & Pickled (AP), Bright Annealed (BA), MF
Form & End Connection	Form: Round, Coil, ‘U’ Shape, Square, Rectangular Ends: Plain End, Beveled End, Threaded
Inspection & Testing	Ultrasonic Testing, Non-Destructive Electric Test, Hydrostatic, Eddy Current, Flattening, Flaring, Visual Surface Inspection, Dimensional Inspection, Tensile Properties, Chemical Analysis, Bend Test, Heat Treatment, Hardness, I.C. Test
Certification	ISO EN 10204 3.1 / 3.1B / 3.2, PED, DNV, TUV Certified
Marking	Standard, Grade, OD, Thickness, Length, Heat No. (Custom Marking available upon request)
Delivery & Origin	Delivery: Specialized in Shutdown, Emergency, and Project Rush Demands Origin: American, Russian, Japanese, Chinese Standard stock

Types of ASTM B444/B705/B751 Inconel 625 Tubes

Inconel 625 Precision Tubes

Inconel 625 Heat Exchanger Tube

Inconel 625 Cold Drawn Seamless Tube

Inconel 625 Extruded Seamless Tube

Inconel 625 Round Tube

Inconel 625 Capillary Tube

High Quality Inconel 625 Seamless Tube
Inconel 625 Square Tube
Inconel 625 Round Tube
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Inconel 625 Colour Coated Pipe
Inconel 625 Welded Pipe
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Inconel 625 Outside Polished Tube
ASTM/ASME B167 Inconel 625 Capillary Pipe
Inconel 625 EFW Pipe
Inconel 625 Boiler Tubes
Inconel 625 Cold Drawn Tube
Inconel 625 U Shaped Tube
Inconel 625 Protection tube
Inconel 625 Cold Drawn Seamless pipe
Inconel 625 Cold Drawn Seamless tube
Inconel 625 Extruded Seamless Pipe
Inconel 625 Extruded Seamless Tube
Inconel 625 Round Tube
Inconel 625 Heat Exchanger Tube
Inconel 625 Square Tube
Inconel 625 Coiled Tubing

Alloy 601 Pipe/ Tube
Inconel 625 Electropolished Pipe & Tubes
Inconel 625 Hollow Pipe Manufacturer & Suppliers
ASTM/ASME B167 Inconel 625 Capillary Tubes
Inconel 625 U Shaped Tube
Inconel Alloy 601 Pipe/ Tube
Inconel 625 Tubing
Inconel 625 Oil Tube
WERKSTOFF NR.2.4851 Pipe, Tubes
UNS N06601 Pipe, Tubes
AFNOR NC23FeA Pipe, Tubes
GOST XH60BT 28-2,5-1,5 Pipe, Tubes
JIS NCF 601 Pipe, Tubes
BS NA 49 Pipe, Tubes
OR ЭИ868 Pipe, Tubes
EN NiCr23Fe Pipe, Tubes
Inconel 625 Triangle Tube
Inconel 625 Secondary & Surplus Tube
Inconel 625 High-strength capillary tubing
Inconel 625 Tubería
Inconel 625 Tubo
Inconel 625 Precision tubes
Inconel 625 Capillary tube
Hot finished seamless Inconel 625 tubing (HFS)
Cold drawn seamless Inconel 625 tubing (CDS)
Inconel 625 Electric resistance welded (ERW)

ASTM B444/B705/B751 Inconel 625 Tubes Chemical Composition

Element	Composition Percentage (%)
Nickel (Ni)	58.0 Min
Chromium (Cr)	20.0 – 23.0
Molybdenum (Mo)	8.0 – 10.0
Niobium + Tantalum (Nb + Ta)	3.15 – 4.15
Iron (Fe)	5.0 Max
Cobalt (Co)	1.0 Max
Aluminum (Al)	0.40 Max
Titanium (Ti)	0.40 Max
Copper (Cu)	0.50 Max
Manganese (Mn)	0.50 Max
Silicon (Si)	0.50 Max
Carbon (C)	0.10 Max
Sulfur (S)	0.015 Max
Phosphorus (P)	0.015 Max

ASTM B444/B705/B751 Inconel 625 Tubes Mechanical Properties

Physical Properties

Property	Value / Specification
Density	8.4 g/cm³
Melting Point	1350 °C (2460 °F)
Tensile Strength	135,000 psi / 930 MPa
Yield Strength (0.2% Offset)	75,000 psi / 517 MPa
Elongation	42.5%

International Grade Designations of ASTM B444/B705/B751 Inconel 625 Tubes

Standard Organization	Designation / Grade
UNS	N06625
Werkstoff Nr.	2.4856
EN (European)	NiCr22Mo9Nb
JIS (Japanese)	NCF 625
BS (British)	NA 21
AFNOR (French)	NC 22 DNb
ISO	NiCr22Mo9Nb

ASTM B444/B705/B751 Inconel 625 Tube Schedule Chart & Wall Thickness

NPS (in)	Outside Diameter (in)	Inconel 625 Wall Thickness per Schedule (in)
		SCH 10	SCH 20	SCH 30	SCH STD	SCH 40	SCH 60	SCH XS	SCH 80	SCH 100	SCH 120	SCH 140	SCH 160	SCH XXS
		1/8	0.405	-	-	-	0.068	0.068	-	0.095	0.095	-	-	-	-	-
1/4	0.540	-	-	-	0.088	0.088	-	0.119	0.119	-	-	-	-	-
3/8	0.675	-	-	-	0.091	0.091	-	0.126	0.126	-	-	-	-	-
1/2	0.840	-	-	-	0.109	0.109	-	0.147	0.147	-	-	-	0.187	0.294
3/4	1.050	-	-	-	0.113	0.113	-	0.154	0.154	-	-	-	0.219	0.308
1	1.315	-	-	-	0.133	0.133	-	0.179	0.179	-	-	-	0.250	0.358
1 1/4	1.660	-	-	-	0.140	0.140	-	0.191	0.191	-	-	-	0.250	0.382
1 1/2	1.900	-	-	-	0.145	0.145	-	0.200	0.200	-	-	-	0.281	0.400
2	2.375	-	-	-	0.154	0.154	-	0.218	0.218	-	-	-	0.344	0.436
2 1/2	2.875	-	-	-	0.203	0.203	-	0.276	0.276	-	-	-	0.375	0.552
3	3.500	-	-	-	0.216	0.216	-	0.300	0.300	-	-	-	0.438	0.600
3 1/2	4.000	-	-	-	0.226	0.226	-	0.318	0.318	-	-	-	-	-
4	4.500	-	-	-	0.237	0.237	-	0.337	0.337	-	0.438	-	0.531	0.674
5	5.563	-	-	-	0.258	0.258	-	0.375	0.375	-	0.500	-	0.625	0.750
6	6.625	-	-	-	0.280	0.280	-	0.432	0.432	-	0.562	-	0.719	0.864
8	8.625	-	0.250	0.277	0.322	0.322	0.406	0.500	0.500	0.594	0.719	0.812	0.906	0.875
10	10.750	-	0.250	0.307	0.365	0.365	0.500	0.500	0.594	0.719	0.844	1.000	1.125	1.000
12	12.750	-	0.250	0.330	0.375	0.406	0.562	0.500	0.688	0.844	1.000	1.125	1.312	1.000
14	14.000	0.250	0.312	0.375	0.375	0.438	0.594	0.500	0.750	0.938	1.094	1.250	1.406	-
16	16.000	0.250	0.312	0.375	0.375	0.500	0.656	0.500	0.844	1.031	1.219	1.438	1.594	-
18	18.000	0.250	0.312	0.438	0.375	0.562	0.750	0.500	0.938	1.156	1.375	1.562	1.781	-
20	20.000	0.250	0.375	0.500	0.375	0.594	0.812	0.500	1.031	1.281	1.500	1.750	1.969	-
22	22.000	0.250	0.375	0.500	0.375	-	0.875	0.500	1.125	1.375	1.625	1.875	2.125	-
24	24.000	0.250	0.375	0.562	0.375	0.688	0.969	0.500	1.219	1.531	1.812	2.062	2.344	-
30	30.000	0.312	0.500	0.625	0.375	-	-	0.500	-	-	-	-	-	-
32	32.000	0.312	0.500	0.625	0.375	0.688	-	-	-	-	-	-	-	-
34	34.000	0.312	0.500	0.625	0.375	0.688	-	-	-	-	-	-	-	-
36	36.000	0.312	0.500	0.625	0.375	0.750	-	-	-	-	-	-	-	-
42	42.000	-	0.500	0.625	0.375	0.750	-	-	-	-	-	-	-	-

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