ASTM A350 LF2 CL1 ASME B16.11 Socket Weld Fittings Shipped to Russia Client

This shipment to our Russian client covers small-bore forged socket weld fittings built for reliable performance under extreme cold. The package includes a DN15 Class 3000 90° socket weld elbow and a DN25/DN20 Class 6000 reducing socket weld tee, both manufactured to ASME B16.11 and forged from ASTM A350 LF2 CL1. This ASTM A350 LF2 CL1 ASME B16.11 fitting is selected specifically to meet the strict -52°C Charpy impact requirement of 27 Joules, a tougher test condition than standard LF2 orders.

Every ASTM A350 LF2 CL1 ASME B16.11 fitting in this batch goes through controlled heat treatment to stabilise grain structure and lock in low-temperature toughness. For Russian northern piping installations, brittle fracture risk is a core design concern, so we do not treat impact testing as a formality. Our QC team prepares separate test coupons from each heat lot and runs Charpy V-notch tests at the specified -52°C, verifying the minimum 27J energy before release.

ASTM A350 LF2 CL1 ASME B16.11 socket weld elbow and tee for Russia cold service piping

The two items carry different pressure classes, matching the client’s branch layout. The DN15 elbow is rated Class 3000, while the DN25×DN20 reducing tee is Class 6000, both machined with standard socket weld recesses following ASME B16.11 dimensions. Socket weld connections remain a practical pick for small-bore high-pressure lines, as they simplify site fit-up and remove the need for complex end bevelling for field crews working in remote cold regions.

We often see Russian EPC and pipeline operators specify ASTM A350 LF2 CL1 ASME B16.11 fitting for gas, process and instrument piping exposed to sub-zero ambient conditions. Standard carbon steel forgings like A105 can lose toughness rapidly at these temperatures, while properly treated LF2 CL1 retains its ductility even during rapid temperature drops. All dimensional checks, material verification and heat treatment documents are bundled with the shipment for project review and third-party inspection.

We keep clear traceability for every heat, and MTCs include full impact test data, heat treatment records and chemical analysis. When you order an ASTM A350 LF2 CL1 ASME B16.11 fitting from Haihao Group, you receive documentation that aligns with the demanding standards common for Russian oil and gas infrastructure.

If you are sourcing socket weld elbows, tees or other forged fittings for cold-climate projects in Russia or other low-temperature regions, send your datasheet, pressure class and Charpy requirements to our engineering team. We can quote matched sets with full test certification and prepare the required documentation package for your site acceptance.