ASTM A105 Forged Steel Socket Weld Flange B16.5 Class 150 RF
1. Product Description
Forged steel flanges are high-strength disc‑type connectors made by hot‑forging carbon, alloy, or stainless steel. The forging process refines grain structure and eliminates voids, ensuring uniform density and reliable mechanical properties. They are manufactured to ASME, DIN, JIS, EN, and GB standards, in all standard types and facing styles.
2. Product Applications
Used to connect pipes, valves, pumps, and equipment in oil & gas, chemical, power generation, shipbuilding, water treatment, and food/pharma industries. Suitable for steam, oil, gas, water, chemicals, and cryogenic fluids under normal to extreme conditions.
3.Product Advantages
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Higher strength and impact resistance than cast or plate flanges.
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Excellent corrosion and erosion resistance due to low carbon and fine grain.
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Reliable sealing with precision‑machined faces, suitable for high pressure and temperature.
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Longer service life and reduced maintenance costs.
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Full traceability and compliance with international standards.
4.Key Technical Parameters
| Parameter |
Core Data |
| Standards |
ASME B16.5 / B16.47, EN 1092 1, DIN, JIS, GB |
| Size Range |
NPS ½″ – 120″ (DN 15 – DN 3000) |
| Pressure Classes |
Class 150 – 2500# ; PN 2.5 – PN 320 |
| Temp. Range |
-196°C to +600°C (material dependent) |
| Common Materials |
Carbon: A105, A350 LF2; Alloy: F11, F22, F91; Stainless: F304/F316L |
| Types |
WN, SO, BL, SW, THRD, LJ, Orifice |
| Face Styles |
RF, FF, RTJ, MF, TG |
| Marking & Docs |
Heat number, material grade, EN 10204 3.1/3.2 certificates |
FAQ
1. Are you trading company or manufacturer ? We are manufacturer ,You can see the certification.
2.How long is your delivery time? Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
3. Do you provide samples ? is it free or extra ? Yes, we could offer the sample for free charge but need pay the cost of freight.
4. What is your terms of payment ? Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
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ASTM A105 Forged Steel Socket Weld Flange B16.5 Class 150 RF Images
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