We conduct thorough inspections at every stage of the production process.

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Blind Flanges

Blind Flanges

Steel Craft Alloys boasts a reputable brand in industry circles as a top-tier manufacturer, supplier, stockist, and exporter of Blind Flanges of high-grade quality. Our Blind Flanges are specifically designed by using precise technology and manufactured to international standards, providing top-notch performance as well as durability in a range of applications in various industries. Blind Flanges are designed to seal piping systems or vessels effectively, making them suitable for system pressure testing, inspection, or maintenance. We at Steel Craft Alloys ensure quality and dependability, supplying Blind Flanges of various sizes, grades, and pressure ratings to fulfill different operational requirements.

ASME/ANSI B16.5 SOCKET WELDING FLANGES MANUFACTURER IN INDIA MANUFACTURER/EXPORTER OF HIGH QUALITY SOCKET WELDING FLANGES CARBON, ALLOY, STAINLESS STEEL SOCKET WELD FLANGES

Marking & Packing:

Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All flanges are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.

Quality Assurance:

At Steel Craft Alloys , all fittings and flanges are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.

Test Certificates:

Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report

Size 1/2″ (15 NB) to 48″ (1200NB)
Standards ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Pressure Ratings Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.
Carbon Steel Socket Welding Flanges ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8
Stainless Steel Socket Welding Flanges ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L
Alloy Steel Socket Welding Flanges ASTM A182 F1, F5, F9, F11, F22, F91
Special Alloy Socket Welding Flanges Duplex, Super Duplex, Nickel Alloys
Flange Face Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Coating/Surface Treatment Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Value Added Services CNC Machining, Customised Flanges
Technical Information – Specifications, Dimensions Blind Flanges
  • ANSI/ASME B16.5 Blind Flange 150lb
  • ANSI/ASME B16.5 Blind Flange 300lb
  • ANSI/ASME B16.5 Blind Flange 400lb
  • ANSI/ASME B16.5 Blind Flange 600lb
  • ANSI/ASME B16.5 Blind Flange 900lb
  • ANSI/ASME B16.5 Blind Flange 1500lb
  • ANSI/ASME B16.5 Blind Flange 2500lb
  • ANSI/ASME B16.47 Series B Blind Flange 75lb
  • ANSI/ASME B16.47 Series B Blind Flange 150lb
  • ANSI/ASME B16.47 Series B Blind Flange 300lb
  • ANSI/ASME B16.47 Series B Blind Flange 400lb
  • ANSI/ASME B16.47 Series B Blind Flange 600lb
  • ANSI/ASME B16.47 Series B Blind Flange 900lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Blind Flange 150lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Blind Flange 300lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Blind Flange 400lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Blind Flange 600lb
  • ANSI/ASME B16.47 Series A (MSS SP44) Blind Flange 900lb