C67E /Ck67 /1.1231 Stockist, C67E /Ck67 /1.1231 Equivalent Steel
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C67E /Ck67 /1.1231
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Specifications C67E datasheet,Ck67 chemical, C67E Property from Steelmaking, ESR melted, hot Blooming, Hot forging, Hot rolling, Heat treat, Straightening, 100% Ultrasonic test, Cold working or Machined. Technical specification - DIN 17221. We also possess the advanced precision machining equipments for further processing. Please just let us know what you inquire.
HNICAL SPECIFICATION DATASHEET -  DIN C67E /Ck67 /1.1231 
TECMATERIAL TYPE: Spring Steel
MATERIAL STANDARDS: DIN 17221
Official Test Certificate: issued by TUV - SGS -  BV
CHEMICAL COMPOSITION (WEIGHT %)
C (％):     0.65 ~ 0.73
Si (％):     0.15 ~ 0.35
Mn (％):   0.60 ~ 0.90
P (％)≤:   0.025
S (％)≤:   0.025
Cr (%):    ≤ 0.40
Mo (%):   ≤ 0.10
V (%):     -
Other(％): Ni ≤ 0.40
MAIN FEATURES & PERFORMANCE REQUIREMENTS
Spring steel is specialized in producing the spring and elastic components due to its elasticity under the condition of quenching and tempering. The elasticity of steel depends on its capacity of elastic deformation.
This allows objects made of spring steel to return to their original shape despite significant bending or twisting occurs. 
Spriing steel should possess excellent combination property, such as mechanical property (limit of elasticity, ultimate strength, yield ratio), relaxation resistant, fatigue property, hardenability, physical and chemical property (heat resistance,low temperature resistant, antioxidation, corrosion resistance). To meet the above performance requirement, Spring steel has fine metallurgical quality ( high purity, homogeneity), excellent surface quality ( specially on surface defect and decarburization), precise external form and dimensions.
HEAT TREATMENT
Spring Steel requires higher strength and fatigue limit, usage in the condition of quenching + mesothermal tempering, then it can get higher elastic limit. Process engineering of heat treatment is very important to inherent quality of spring steel.
MANUFACTURING TECHNIQUE
General spring steels are produced in electric furnace, open hearth furnace, oxygen converter,and high quality spring steel of higher quality or special performance can be made in electro slag furnace or vacuum furnace.
PROCESSING PROPERTY
Spring Steel is commonly used in the condition of impact, vibration, or long-term stress. which makes the spring steel require higher tensile strength, limit of elasticity, fatigue strength. also requirement of definite hardenability, good surface quality, not easy decarburization.
PRODUCT PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 440mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T60 - 400mm X W70 - 1000mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry, pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com

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