Socket Weld Flange NPS 1/2" Class 2500, ASTM A182 F316L Stainless Steel

Socket Weld Flange NPS 1/2" Class 2500, ASTM A182 F316L Stainless Steel

Specification at a glance

• Type: Socket Weld (SW)
• Nominal Pipe Size: NPS 1/2"
• Pressure Class: ASME B16.5 Class 2500
• Material: ASTM A182 F316L Stainless Steel
• Material Family: Stainless Steel
• Pressure Rating at 38°C: 6,170 PSI (425 bar)
• Service Temperature: -196°C to +538°C
• NACE MR0175 Compliance: Compliant (HRC ≤ 22)
• Bore: 15.9 mm (Schedule 40S reference)
• Outside Diameter: 142 mm
• Bolt Circle Diameter: 122 mm
• Bolt Holes: 7 × 1/2" UNC
• Flange Thickness: 45 mm
• Standard: ASME B16.5-2020
• Mill Test Certificate: EN 10204 type 3.1 (Included)

Production stats · Yajiada 2024

• 18 years manufacturing (since 2008)
• 50,000 T/YR capacity (Hebei + Shandong forging workshops)
• 60+ countries shipped
• ISO 9001:2015 since 2013
• PED 2014/68/EU Module H since 2017 (TÜV Rheinland)
• NACE MR0175 / ISO 15156-3:2020 qualified
• ISIRI 9117 (Iran), IBR (India), KCS (Korea) markings available
• Average quotation response: 18 hours
• Standard lead time: 15-20 days for stocked configurations

Same NPS 1/2" — other pressure classes

• Socket Weld NPS 1/2" Class 150 · ASTM A105 Carbon Steel
• Socket Weld NPS 1/2" Class 150 · ASTM A350 LF2 Class 1 Low-Temp Carbon Steel
• Socket Weld NPS 1/2" Class 150 · ASTM A182 F316L Stainless Steel
• Socket Weld NPS 1/2" Class 300 · ASTM A105 Carbon Steel
• Socket Weld NPS 1/2" Class 300 · ASTM A350 LF2 Class 1 Low-Temp Carbon Steel

Same configuration — other materials

• ASTM A105 Carbon Steel (Carbon Steel)
• ASTM A350 LF2 Class 1 Low-Temp Carbon Steel (Low-Temperature Carbon Steel)

How to order

To request a quote for Socket Weld Flange NPS 1/2" Class 2500, ASTM A182 F316L Stainless Steel, send an your to your or call +86 186 3177 4440 (WhatsApp). Each quote is generated against your (NPS, Class, material, quantity, destination port, NACE/PED requirement) combination. Standard replies within 24 hours.

Related engineering notes

• A105 vs A350 LF2 carbon steel comparison
• NACE MR0175 sour service materials guide
• ASME B16.5 complete specification guide
• Socket Weld flange overview (all sizes, classes, materials)

Get in Touch · Hebei Yajiada Flange Manufacturer

Quick contact options for sourcing pipe flanges (ASME B16.5 / EN 1092-1 / JIS B2220 / BS 4504 / HG/T 20592) with full material traceability and shipping to 60+ countries.

Primary Contact Channels

• WhatsApp: +86 186 3177 4440 — Ma Yajiada, Export Manager. Acknowledgement within 2 hours, full quote within 12 hours. Mon–Sat 8am–8pm CST.
• Email: mafuze@hebeiyagada.com — Engineering team responds within 48 hours for technical specs and drawings.
• Phone: +86 186 3177 4440 — Direct line to Export Department.
• Online RFQ: Structured RFQ form — 24-hour structured quotation including FOB price, lead time, payment terms, and shipping schedule.

Industry-Specific Quote Shortcuts

• Petroleum Refining & Pipeline
• LNG / Cryogenic Service
• Power & Energy (540°C+)
• Marine / Offshore (F51/F55 duplex)
• Chemical Process
• Mining & Slurry

Trust Signals at Decision Point

• 18 years in flange manufacturing (since 2008) · 50,000 T/YR capacity
• ISO 9001:2015 (00215Q20319R0M) since 2013
• PED 2014/68/EU Module H (PED-2017-0042, TÜV Rheinland) since 2017
• NACE MR0175 / ISO 15156 qualified for sour service
• EN 10204 3.1 MTC included with every order
• 60+ countries exported · 24-hour quotation · 30-45 day lead time