• Welcome to longhai special steel.
  • 17-4ph stock
  • 17-4ph Round bar
  • 17-4ph Forging
  • 17-4ph Sheet
  • 17-4ph Flat bar
  • 17-4ph Pipe
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Longhai Special SteelWelcome to longhai Special Steel Co Ltd. A family run business with over 30 years experience in delivering specialist steel specifications.Special Steel As an ISO 9001 accredited special steel supplier we can help and advise on those hard to find special steel Specifications including British Standard BS970 specifications and BS EN ISO 4957 grades.

With a wide stock range, you'll find Tool  Steel specifications, suitable for cold work, hot work, and plastic mould applications. Also ground tool steel products including Silver steel and Ground Flat Stock. tool steel can be supplied to European Standards such as DIN Specifications. We also supply to AISI steel grades and AISI equivalent grades. In addition we are stockists and suppliers of Stainless Steel with precipitation hardening 17/4PH, FV520B, Duplex UNS S31803 and Super Duplex UNS S32760 grades. Austenitic, martensitic and ferritic specifications stocked in a large range of shapes and sizes. We are also steel suppliers of austenitic 11 to 14% High Manganese Steel, which is a work hardening steel grade.


Our leading products of steel are special steel,  tool steel,  carbon steel alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel  and so on, which  have formed 12 series and more than 350 varieties with nearly 5000 specifications.

All grades can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, Forging/casting, we also can supply titanium steel.

Welcome to Longhai Special steel company. Any inquiry please mail sales@steels1.com mail or skype ladyxinhuai@163.com ,  Your question catch my heart always!

Military quality, first-class service!

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