100% Quality Guarantee on All Fittings! Free samples delivery.
Material: Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel
Standards: MSS-SP 83
Supply Ability: 10000 Pieces per Month
Certificate: CE / ISO / SGS
Port: Shanghai Port
Payment Term: L/C, T/T
Packing: Export standard Plywood Pallets/ free fumigation wooden case.
Threaded Union Manufacturer & Exporter.
Estan pipe fittings is a premier threaded union manufacturer and supplier in China. Based on different materials, our threaded union can be sorted into carbon steel, stainless steel, alloy steel, high-strength steel, low-temperature steel, etc.
These products have passed ISO 9001-2015, Pressure Equipment Directive 97/23/EC (PED 97/23/EC), AD2000 Merkblatt W0, and API certification, and are used by NIGC, Petrobras, Pemex, CNPC, Sinopec, and CNOOC. Our threaded union has been exported to over 36 countries, including Italy, Germany, Spain, France, Russia, the United States, Brazil, Iran, India, etc.
Threaded Union Standard Specification
|Size||1/8″ NPS TO 3″ NPS|
|Class||3000LB, 6000LB (SCH80/XS,SCH160)|
|Value-Added Services:||Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Threading, Soldering|
|Production Grades:||Stainless Steel Union, Alloy Steel Union, Duplex, Nickel Alloys, Low-temperature Steel Union, Carbon Steel Union.|
Threaded Union Material Specification
Stainless Steel Threaded Union:
ASTM A 182, F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Duplex & Super Duplex Steel Threaded Union:
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Carbon Steel Threaded Union:
ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706
Low-Temperature Carbon Steel Threaded Union:
ASTM A350, LF2, LF3
Alloy Steel Threaded Union:
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Copper Alloy Steel Threaded Union:
ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200
Nickel Alloy Steel Threaded Union :
ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020)
Marking & Packing
Products are packaged to ensure that there is no damage during transit. In case of exports, the standard export packaging is done in wooden cases. All forged fittings are marked with Grade, Lot No, Size, Degree, and our trademark. On special requests, we can also, make custom marking on our products.
At Estan pipe fittings, 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.