14 China 
5 Brazil 
2 Germany 
1 Netherlands 
1 Indonesia 
1 Poland 
1 Mexico 
1 UK 
1 Nigeria 
Hubei Keyspark Special Steel Co., Ltd.
- Address: 30 Huahu Avenue, Huangshigang District, Huangshi, Hubei , China
- Email:
- Phone: +8615024056480
Business description
Hubei Keyspark Special Steel Co., Ltd. is an integrated special steel manufacturer in Huangshi, Hubei, China.Melting, ladle refining, vacuum degassing, ESR, forging and heat treatment are all in house.
Products: plastic mold steel (1.2311/P20, 1.2312, 1.2316, 1.2738), cold work steel (1.2083, 1.2379/D2, DC53), hot work steel (1.2344/H13, 1.2714), high speed steel, alloy and stainless steel.
Supplied with mill test certificates worldwide.
Latest listings
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Auditing A Chinese Tool Steel SupplierMetals - Alloy Steel - Hubei Keyspark Special Steel Co., Ltd. - China - November 10, 2026 - contact company for priceBuying tool steel from China is not difficult. Buying it from the organisation that actually melted it, and being able to prove that two years later, is the part that tests an audit. Most of the failures that reach a European or North American toolro...
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Heat Checking In H13 Die Casting DiesMetals - Alloy Steel - Hubei Keyspark Special Steel Co., Ltd. - China - November 10, 2026 - contact company for price
Every aluminium die casting die eventually heat checks. The useful questions are not whether the fine crack network will appear, but where it will start, how quickly it will grow, and whether it will stay a cosmetic surface condition or become a leak...
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Nitriding Pvd And Hard Chrome On Mold SteelsMetals - Alloy Steel - Hubei Keyspark Special Steel Co., Ltd. - China - November 10, 2026 - contact company for price
A tool that fails at the gate after a few weeks of glass-filled nylon is rarely asking for a coating. It is asking for a diagnosis. The sequence is familiar: the moulder sees wash-out at the gate, a coating supplier quotes a chromium nitride film, th...
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Why Thick Mold Steel Blocks Miss Core HardnessMetals - Alloy Steel - Hubei Keyspark Special Steel Co., Ltd. - China - November 10, 2026 - contact company for price
A buyer orders a 600 × 600 × 300 mm block of 1.2311, pre-hardened to 30–34 HRC. Six weeks later the block arrives, the mill certificate reads 31.5 HRC, the faces are machined clean, and a test hole 150 mm deep returns 27 HRC. The emails that follow a...
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H13 Hot Work Tooling Steel For Die Casting MouldsMetals - Alloy Steel - Hubei Keyspark Special Steel Co., Ltd. - China - November 10, 2026 - contact company for price
H13 (1.2344) hot work tool steel for die casting dies, extrusion tooling and forging dies, supplied as blocks, bars and plates. Composition: C 0.39%, Cr 5.2%, Mo 1.3%, V 1.0%. Supplied annealed at max 229 HB, or hardened and tempered to 44-50 HRC on ...
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Injection Mould Tool Steel Supply From Chinese MillMetals - Alloy Steel - Hubei Keyspark Special Steel Co., Ltd. - China - November 10, 2026 - contact company for price
Tool steel and mold steel supplied as bars, plates and blocks from a Chinese mill. Plastic mold steel: 1.2311/P20, 1.2312, 1.2316, 1.2738 (pre-hardened 28-34 HRC). Cold work steel: 1.2083, 1.2379/D2, DC53. Hot work steel: 1.2344/H13, 1.2714. High spe...
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