We conduct thorough inspections at every stage of the production process.
Steel Craft Alloys is a top-notch manufacturer, supplier, stockist, and exporter of high-quality Lap Joint Flanges. Intended for applications where dismantlement needs to be carried out frequently, our Lap Joint Flanges are built to deliver exceptional durability, corrosion resistance, and ease of alignment, making them a preferred choice for applications having constrained space or misalignment issues.
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.
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.
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) |
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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 Lap Joint 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 Lap Joint Flanges | ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L |
Alloy Steel Lap Joint Flanges | ASTM A182 F1, F5, F9, F11, F22, F91 |
Special Alloy Lap Joint 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 |