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Current Company Announcements Date: November 8, 2022

Welcome to MIW's Website

A Place for Pipe Fittings


Mills Iron Works is specialized in manufacturing seamless carbon steel pipe fittings for industry.

Our products, with wall thickness ranging from light wall to double extra heavy, include welding reducers, welding caps, swage nipples and bull plugs.

MIW's welding reducers and welding caps are manufactured to ASTM/ASME specifications A/SA234 WPB with dimensional standards comform to ANSI B16.9.

MIW's swage nipples and bull plugs are manufactured in accordance with ASTM/ASME specifications A/SA234, MSS-SP-95 and ANSI B16.9.

MIW fittings are also available in low-temperature and high yield grades. Please call for price and availability.



Mills Iron Works, Inc.

14834 Maple Ave.

Gardena, CA 90248

1-800-421-2281 (Except Calif.), 323-321-6520

Fax 310-532-0476