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Titanium Slip On Flange

Standard: ANSI B16.5, ASTM B16.5, ASME B16.47, JIS B2220, DIN2627-2628, AWWA, ASTM A182 AND ASME SA182, GOST 33259-2015 etc.

Pressure Class: Class 150 / 300 / 600 / PN10 / PN16 / PN25

Material: Gr1, Gr2, Gr3, Gr4, GR5, Gr7, Gr9, Gr11

Surface Type: FF, RF, TG, RJ, MFM

Technique: Forged and CNC Machined

Product Description

Titanium Slip-On Flanges (SO Flanges) are flat welding pipe flanges that allow a pipe to slide into the flange bore before welding around both the inside and outside of the flange face. This structure offers easy alignment, simplified installation, and cost-effective connection in low to moderate pressure systems.

Manufactured according to ASTM B381, these flanges are made from commercially pure titanium (Gr1, Gr2) or titanium alloys (Gr7, Gr12), offering superior resistance to corrosion, seawater, acid, and chloride stress cracking.

It is widely used in industries that demand excellent corrosion resistance, lightweight structure, and durability-such as chemical processing, seawater desalination, aerospace, and medical engineering.

Product specifications

Material Grade	Gr1, Gr2, Gr3, Gr4, GR5, Gr7, Gr9, Gr11
Standard	ANSI B16.5, ASTM B16.5, ASME B16.47, JIS B2220, DIN2627-2628, AWWA, ASTM A182 AND ASME SA182, GOST 33259-2015, GOST 12820 / 12821-80, etc.
Size	1/2"-60"NB NPS 1/2-NPS 24 (DN 10 - 2000)
Pressure Class	PN2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100, PN160, PN250, PN320, PN400 150#, 250#, 300#, 400#, 500#, 600#, 900#, 1500#, 2500#
Flange Face Types / Connection Type	Flat Face Flange (FF), Raised Face Flange (RF), Ring Joint Flange (RJ), Tongue and groove face(TG), Male Face(M), Female Face(FM)
Product specifications can be customized according to customer drawing.

Common Inspection Items for Titanium Flanges

Visual Inspection	To check for surface defects such as cracks, dents, scratches, and deformations.
Dimensional Inspection	Verify outer diameter, thickness, bolt circle diameter, sealing surface dimensions, etc.
Chemical Composition Analysis	Performed by spectrometer or ICP to ensure the titanium grade (e.g., Gr.2, Gr.5) complies with standards.
Mechanical Properties Testing	Includes tensile strength, yield strength, elongation, etc., according to ASTM B381 or relevant standards.
Non-Destructive Testing (NDT)	Typically includes Ultrasonic Testing (UT) or Dye Penetrant Testing (PT) to detect internal or surface flaws.
Pressure Testing (Hydrostatic Test)	For pressure applications, hydrostatic testing may be conducted to verify strength and sealing performance.
Sealing Surface Flatness Check	Checks the smoothness and flatness of the sealing face (e.g., RF, FF) to ensure tight sealing.
Hardness Testing	Brinell or Vickers hardness testing to assess material condition or heat treatment if required.

Additional Notes

Tests are based on standards such as ASTM B381, ASME B16.5, GB/T 9119, EN 1092-1, etc.

Third-party inspection reports (SGS, TUV, BV) can be provided upon request.

For exports, common quality documents include:
✔ Dimension Inspection Report
✔ Material Test Certificate (MTC)
✔ NDT Report
✔ Packing Inspection

Packing:

Packed in strong seaworthy plywood cases with proper labeling. Each flange is individually protected with plastic wrap or foam.Customized packaging and pallet available upon request.