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{"title":"Coturi Pentru Sudura Butt Weld Fittings DIN 2605 \/ EN 10253 ASME B16.9","imgUrl":"https:\/\/img.chinax.com\/nimg\/34\/e3\/16cee0209dd4354e157148926790-200x200-1\/coturi_pentru_sudura_butt_weld_fittings_din_2605_2f_en_10253_asme_b16_9_tolerances.jpg","attrs":{"Brand Name":"Best","Model Number":"1\/2''-48''","Certification":"API\/CE\/ISO \/TUV","Place of Origin":"China"}}
{"title":"EN10253-2 Standard P355N Steel Elbow for Pipe Fittings in P265GH Material","imgUrl":"https:\/\/img.chinax.com\/nimg\/ad\/6d\/dd298f451c3148a153ad8d812fe1-200x200-1\/en10253_2_standard_p355n_steel_elbow_for_pipe_fittings_in_p265gh_material.jpg","attrs":{"Brand Name":"OK","Model Number":"1\/2\u2018\u2019-84''","Certification":"CE","Place of Origin":"china"}}
{"title":"ASME B36.10carbon Steel Butt Weld Pipe Fittings Conducte Gaz Si Petrol Din Otel","imgUrl":"https:\/\/img.chinax.com\/nimg\/1e\/47\/403d34bc85fbe5f1829827e70547-200x200-1\/asme_b36_10carbon_steel_butt_weld_pipe_fittings_conducte_gaz_si_petrol_din_otel.jpg","attrs":{"Brand Name":"Best","Model Number":"1\/2''-48''","Certification":"API\/CE\/ISO \/TUV","Place of Origin":"China"}}
{"title":"Industrial Butt Weld Fittings Comparison EN 10253-2\/-4 With DIN 2605 2609 2615","imgUrl":"https:\/\/img.chinax.com\/nimg\/bb\/11\/1a6fde1a4c02e6c8be5200a7d6ec-200x200-1\/industrial_butt_weld_fittings_comparison_en_10253_2_2f_4_with_din_2605_2609_2615_2616_2617.jpg","attrs":{"Brand Name":"Best","Model Number":"1\/2''-48''","Certification":"API\/CE\/ISO \/TUV","Place of Origin":"China"}}
{"title":"Wrough Carbon Steel Butt Weld Fittings Seamless EN 10253-1 For General Usage","imgUrl":"https:\/\/img.chinax.com\/nimg\/36\/f8\/19555c2893f0ff70c2dd8b941edb-200x200-1\/wrough_carbon_steel_butt_weld_fittings_seamless_en_10253_1_for_general_usage.jpg","attrs":{"Brand Name":"Best","Model Number":"1\/2''-48''","Certification":"API\/CE\/ISO \/TUV","Place of Origin":"China"}}
{"title":"Non \/ Ferritic Alloy Butt Weld Tube Elbow EN 10253-2 With Specific Inspection","imgUrl":"https:\/\/img.chinax.com\/nimg\/17\/f2\/2d6e63951055802217d6f9a8c609-200x200-1\/non_2f_ferritic_alloy_butt_weld_tube_elbow_en_10253_2_with_specific_inspection_requirements.jpg","attrs":{"Brand Name":"Best","Model Number":"1\/2''-48''","Certification":"API\/CE\/ISO \/TUV","Place of Origin":"China"}}
ASTM B444 UNS NO6625 Special Fittings: Tees, Laterals, Y Pieces, Sleeves
ASTM B444 UNS N06625 (commonly known as Inconel 625) is a nickel-based superalloy designed for exceptional corrosion resistance and high-temperature strength applications.
Chemical Composition
Element
Composition Limits
Nickel (Ni)
Balance
Chromium (Cr)
20.0 – 23.0%
Molybdenum (Mo)
8.0 – 10.0%
Niobium (Nb) + Tantalum (Ta)
3.15 – 4.15%
Iron (Fe)
≤ 5.0%
Cobalt (Co)
≤ 1.0%
Manganese (Mn)
≤ 0.50%
Silicon (Si)
≤ 0.50%
Aluminum (Al)
≤ 0.40%
Titanium (Ti)
≤ 0.40%
Carbon (C)
≤ 0.10%
Phosphorus (P)
≤ 0.015%
Sulfur (S)
≤ 0.015%
Key Composition Benefits
High Nickel + Chromium: Provides excellent resistance to oxidation and corrosion in aggressive environments including seawater and various acids.
Molybdenum + Niobium: Significantly improve strength at elevated temperatures and enhance resistance to pitting and crevice corrosion in chloride environments.
Low Carbon, Sulfur, and Phosphorus: Minimizes carbide precipitation and hot-cracking, improving weldability and material toughness.
Controlled Aluminum and Titanium: Maintains weldability and ductility by preventing excessive strengthening precipitates that could cause brittleness.
Application Note: ASTM B444 specifically covers seamless pipe and tube made from this alloy. The controlled composition ensures the material meets mechanical and corrosion-resistance requirements for demanding applications in aerospace, chemical processing, marine, and oil & gas industries.
Important: For critical design or certification purposes, always verify against the latest official ASTM B444 specification or the mill test certificate (MTC) from the manufacturer.
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The C...
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The C...
