
55CrSi Oil Tempered Steel Wire (8MM-16MM)
Our company has strong new product development ability and fast response ability and advanced international design concept, we closely follow the development of new technology in the world, and launch all kinds of high performance and high reliability Valve spring steel wire EN10270-2, Valve tempering steel wire ASTM-A230-99, spring steel wire manufacturers. We always pay attention to the latest developments in the industry and will always adhere to the concept of innovation, quality, and integrity. We hope to quickly establish our own professional brand with our superior product advantages, reliable reputation, extensive product series and fast service. The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market.
The following is the international standard classification method:
1, heat treatment oil: some types of oil are easily washed away by water because the oil is formulated with demulsifier. These oils can be called "soluble oil" and the manufacturer can determine the oil according to the user's requirements.
(1) cold hardening (< 80 ℃) : A rapid quenching oil, UHA.B normal quenching oil, UHB.
(2) A thermal quenching (30 ℃ -- 130 ℃) : A rapid quenching oil, UHC;B normal quenching oil UHD.
(3) the thermal quenching (130 ℃ -- 180 ℃) : A rapid quenching oil, UHE;B normal quenching oil, UHF.
(4) high temperature quenching (> 180 ℃) : A rapid quenching oil, UHG.B ordinary (normal) hardening oil, UHH.
(5) vacuum quenching, UHV.
(6) others, UHK.
2. Heat treatment water:
(1) surface quenching: A water, UAA;B water-bearing liquid for rapid quenching, UAB;C water-bearing liquid for slow quenching, UAC.
(2) integral quenching: A water, UAA;B water-bearing liquid for rapid quenching, UAD;C aqueous liquid for slow quenching, UAE;
(3) others: UAK.
3. Molten salt for treatment:
(1) 150 ℃ to 500 ℃, molten salt (150 ℃ -- 500 ℃), USA.
(2) 500 ℃ to 700 ℃, molten salt (500 ℃ -- 700 ℃), USB;
(3) others: USK.
4. Gas for heat treatment: A air, UGA;B neutral gas, UGB;C reduced gas, UGC;D oxidation gas, UGD.
5. Fluidized bed: UF.
6, others: UK.
Domestic classification of heat treated oils
Class I cold quenching oil:
A. ordinary quenching oil, used for quenching materials with small size and good hardenability.
B. Fast quenching oil, used for quenching large and medium materials.
C. overspeed quenching oil, used for quenching large and poor hardenability materials.
D, bright quenching oil, used for small and medium section bearing steel, tool steel, cutting tool steel and instrument parts under the protection of the atmosphere of quenching.
E, fast bright quenching oil, used for medium and poor hardenability of materials in a controlled atmosphere quenching.
F, no. 1 vacuum quenching oil, used for medium materials under vacuum quenching.
G, no. 2 vacuum quenching oil, used for quenching materials with good hardenability in vacuum state.
Class II hot quenching oil:
A, no. 1, isothermal, graded and quenching oil, used to about 120 ℃ hot oil quenching.
B, no. 2, isothermal, graded and quenching oil, used to about 160 ℃ hot oil quenching.
Type III tempered oil:
A, no. 1 back to heat the oil, to about 150 ℃ tempering.
B, no. 2 back to heat the oil, used to back to around 200 ℃




We uphold the core value of 'creating value for partners' and create value for the 55CrSi Oil Tempered Steel Wire (8MM-16MM) industry through independent innovation and sincere cooperation. We get good reputation from the customers due to our good solutions quality and fine after-sale service. We take the international leading company as an example, strive to achieve technology leadership and product stability, and develop ourselves in the service of society.
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