Standards:
ASME Standards: B16.5 (Class 150 to 2500), B16.47 Series A/B, MSS SP-44
EN Standards: EN 1092-1 (PN6 to PN100)
GOST Standards: GOST 12820 (Flat Face), GOST 12821 (Raised Face)
Others: API 6A, DIN 2633-2638, JIS B2220
Materials & Steel Grades
Carbon Steel Flanges: ASTM A105, A350 LF2, A694 F60/F65/F70
Stainless Steel Flanges: ASTM A182 F304/316/321, Duplex 2205
Alloy Steel Flanges: ASTM A182 F11/F22, ASTM A707 L1-L5
GOST Steel Grades: 20K, 09G2S, 13KhFA, 12Kh18N10T
Types & Pressure Ratings
Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded Flanges
Pressure Classes: 150# to 2500#, PN6 to PN100
Applications:
Our flanges are engineered for reliability in demanding environments:
Oil & Gas Pipelines: High-pressure carbon steel flanges (ASTM A694 F60/F65) for offshore and onshore drilling systems.
Power Generation: Heat-resistant alloy steel flanges (A182 F11/F22) for thermal and nuclear plants.
Chemical Processing: Corrosion-resistant stainless steel flanges (A182 F316) for acid and alkali transport.
Shipbuilding & Marine: GOST-certified flanges (09G2S) for low-temperature Baltic Sea projects.
Infrastructure: EN 1092-1-compliant flanges for European urban water supply networks.
Featured Projects:
Middle East Oil Pipeline Project: Supplied 10,000+ ASME B16.5 Class 1500 weld neck flanges.
Russian Arctic LNG Terminal: Delivered GOST 12821 flanges (-50°C impact tested).
Why Choose XY Steel Pipe Flanges?
Precision Manufacturing: CNC machining ensures dimensional accuracy per ASME/EN/GOST tolerances.
Quality Assurance: 100% NDE testing (UT, RT, PMI) with Mill Test Certificates.
Global Logistics: Fast delivery to Europe, CIS, Middle East, Africa, and Southeast Asia.
Custom Solutions: Non-standard sizes, coatings (anti-rust, galvanized), and material upgrades.
Sustainability: Low-carbon production processes aligned with ISO 14001.
Technical Support & Quotation
Need flanges for your project? Our engineers will help you select the right type, material, and standard. Contact us now about details!
Quick Quote Form: Submit Flange Requirements
