Astm A105 125aarh Blind Flanges​

SSM manufactures ASTM A105 material 125 AARH blind flanges, which are used to seal the end of carbon steel piping systems under high pressure, commonly applied in industries such as oil & gas, chemical, and power generation.

✅ Product Description:

Material Standard: ASTM A105 (Forged Carbon Steel)

Flange Type: Blind Flange

Facing Finish Roughness: 125 AARH (125 microinch / 3.2 μm, commonly for RF or FF face)

Size Range: 1/2" to 48" (or custom sizes available)

Pressure Ratings: Class 150, 300, 600, etc. (per ASME B16.5 or B16.47)

Heat Treatment: Normalized or tempered upon request (e.g., for NACE MR0175 compliance)

Quality Documents: Mill Test Certificate (MTC) available, complying with EN 10204 3.1

📌 About 125 AARH Finish:

AARH (Arithmetic Average Roughness Height) indicates the surface roughness of the flange face.

125 AARH is a standard finish for sealing surfaces, suitable for most industrial gasket applications including spiral wound or metal gaskets.

To provide an accurate quote or technical data sheet, please specify the following:

Flange size (e.g., 6")

Pressure class (e.g., 300#)

Facing type (RF / FF / RTJ)

Standard (ASME B16.5 / B16.47, etc.)

Requirements for NACE, MTC, or third-party inspection certificates

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