Description

Socket Weld Union Manufacturer & Exporter.

Estan pipe fittings is a premier socket weld union manufacturer and supplier in China. Based on different materials, our socket weld 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 socket weld union has been exported to over 36 countries, including Italy, Germany, Spain, France, Russia, the United States, Brazil, Iran, India, etc.

Socket Weld Union Standard Specification

Dimensions	MSS-SP 83
Size	1/8″ NPS TO 3″ 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 Union, Alloy Steel Union, Duplex, Nickel Alloys, Low-temperature Steel Union, Carbon Steel Union.

Socket Weld Union Material Specification

Stainless Steel Socket Weld Union:
ASTM A 182 F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Duplex & Super Duplex Steel Socket Weld Union:
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Carbon Steel Socket Weld 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 Socket Weld Union:
ASTM A350, LF2, LF3
Alloy Steel Socket Weld Union:
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Copper Alloy Steel Socket Weld 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 Socket Weld 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.

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.