Description

Socket Weld Coupling Manufacturer & Exporter.

Estan pipe fittings is a premier Socket Weld Coupling manufacturer and supplier in China. Based on different materials, our Socket Weld Coupling can be sorted into carbon steel Socket Weld Coupling, stainless steel Socket Weld Coupling, alloy steel Socket Weld Coupling, high-strength steel Socket Weld Coupling, low-temperature steel Socket Weld Coupling, 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 Socket weld Couplings have been exported to over 36 countries, including Italy, Germany, Spain, France, Russia, the United States, Brazil, Iran, India, etc.

ASME B16.11 Socket Weld Coupling Standard Specification

Dimensions	ASME 16.11
Size	1/8″ NPS TO 4″ NPS
Class	3000LB, 6000LB, 9000LB (SCH80/XS,SCH160,XXS)
Value-Added Services	Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Threading, Soldering
Production Grades	Stainless Steel Coupling, Alloy Steel Coupling, Duplex, Nickel Alloys, Low-temperature Steel Coupling, Carbon Steel Coupling.

Socket Weld Coupling Material Specification

Stainless Steel Socket Weld Coupling: ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Duplex & Super Duplex Steel Socket Weld Coupling: ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Carbon Steel Socket Weld Coupling: 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 Socket Weld Coupling: ASTM A350, LF2, LF3
Alloy Steel Socket Weld Coupling: ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91

Copper Alloy Steel Socket Weld Coupling: 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 Socket Weld Coupling: 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 the 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.

Quality Assurance

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.