Description
Zhishang Steel Company specializes in the production of a wide range of high performance cold rolled strip steel products, which are subjected to precision quenching and tempering treatment or annealing processes to meet the needs of different industries and application scenarios. Specifically, the grades of materials provided by Zhishang Steel include but are not limited to the following:
CK series: including CK45, CK50, CK55, CK60, CK67, CK70, CK75 and CK85. This range of steels is known for its excellent mechanical properties and is suitable for the manufacture of various tools, molds and mechanical parts. Where, "CK" stands for Carbon Tool Steel (Carbon Tool Steel), the following number represents the average carbon content of the thousandths.
50CrV4 and 51CrV4: These two models belong to the category of alloy structural steels, containing chromium (Cr) and vanadium (V) elements, which provide an excellent balance of strength and toughness, and are widely used in the automotive industry in key parts such as drivetrain components such as gear shafts.
60Si2Mn: This is a spring stainless steel material, because of its high elastic limit and good fatigue life, often used to make various types of spring products.
75CR1 and 75NI8: The former is a high-carbon chromium bearing steel, and the latter is an improved version with the addition of nickel elements, both of which are ideal for the manufacture of bearings or other wear-resistant parts in operating conditions requiring high precision and large loads.
D6A: This is a special purpose alloy steel with excellent corrosion and wear resistance, suitable for applications in extreme environments, such as Marine engineering or chemical equipment.
X32 and B318: These two grades usually refer to a specific specification of standard parts material, the former may be a specific chemical composition of steel code; The latter may refer to non-tempered free-cutting structural steels produced according to the German standard DIN EN 10083-1.
SK5 and SK85: are one of the types of carbon tool steel specified in the Japanese standard JIS G 4401, divided into several subclasses according to the hardness level, suitable for the production of tools, measuring tools and other small precision mechanical parts.
AISI420: This is one of the stainless steel grades developed by the American Iron and Steel Institute, which belongs to Martensitic stainless steel, with excellent corrosion resistance and machinability, and has a wide range of applications in tableware manufacturing and other fields.
From the above introduction, it can be seen that the product line provided by Zhishang Steel is very rich and diverse, and can meet the needs of many fields from ordinary machinery manufacturing to high-end precision instrument manufacturing. Whether it is a professional user seeking extreme performance or a corporate customer looking for a cost-effective solution, you will find the right choice here.
Parameter
Steel Strip Product Name | China Factory Cold Rolled Hardened and Tempered Spring Steel Strip SAE 1095 C100 C100s High Carbon Steel Coil | |||
Hardened And Tempered Steel Strip | Hardening and Tempering is a thermal process that strengthens steel strips through a controlled heating and cooling process. The hardening process involves heating the steel strip to above the critical transformation temperature for the given grade and then Then strips are reheated to a lower temperature and holding it at the given temperature for a given period of time. This process is done in an inert atmosphere to avoid oxidation. This type of steel strip has high degree of toughness and has excellent spring properties. | |||
Spring Steel Strip Material Grade | C45S C50S C55S C60S C62S C67S C70S C75S C80S C95 51CrV4 60Si2Mn 75CR1 75NI8 D6A X32 B318 AISI420 | |||
Spring Steel Strip Thickness | 0.15mm-5.0mm | |||
Spring Steel Strip Width | 2mm - 510mm | |||
Spring Steel Strip Hardness | 29-55HRC | |||
Spring Steel Strip Surface | blue, white, gold, polished etc. | |||
Spring Steel Strip Edge | slit, rounded, square | |||
Spring Steel Strip Application for | 1. spring steel strip for band saw blade | |||
Standard | DIN 172222 | |||
Sample and Price | Ciffe(whatsAPP/Mob: +86-13964085002 band saw blade factory) | |||
Straightness test of quenched and tempered steel strip
In the steel manufacturing process, quenching and tempering are two key heat treatment process steps. These steps not only affect the mechanical properties of the steel, such as hardness, strength and toughness, but also have a significant impact on the geometry of the product. Especially for steel strip products, its straightness is a very important quality index. Straightness deviation refers to the lateral deviation between the edge of the steel strip and the ideal straight line, and is usually measured in millimeters.
Definition and measurement methods
Straightness deviation: This refers to the maximum lateral offset of the edge of the steel strip relative to an ideal straight line. This deviation is usually manifested as an arc (arch), hence also known as "bow height". The straightness deviation can be determined by measuring the edge position of the steel strip over a particular length.
Measurement length: Straightness can be measured in the range of 1 meter or 3 meters, depending on industry standards or customer special requirements.
Straightness tolerance
Straightness tolerances are set according to the width of the strip and are divided into five different classification groups (R). Each classification group corresponds to a different maximum permissible deviation value. For example, a narrower steel strip may have tighter tolerance requirements, while a wider steel strip may allow for larger deviations. This classification helps to ensure that all sizes of steel strips meet the appropriate quality standards.
significance
Maintaining good straightness is crucial for many applications, as it directly affects the smooth running of subsequent processes and the performance of the final product. If the steel strip has too large straightness deviation, it may lead to inaccurate cutting, welding difficulties and other problems, which affects the efficiency of the entire production process and product quality.
In short, by strictly controlling the operating conditions in the process of quenching and tempering, and using appropriate detection means to monitor the straightness, the quality and consistency of steel strip products can be effectively guaranteed. This is of great significance to improve production efficiency, reduce costs and meet the diverse needs of customers.
Tolerance class | Strip Width | |||||||
8 - (20) mm | 20 - (50) mm | 50 - (125) mm | 125mm~ | |||||
Measuring length | ||||||||
1m | 3m | 1m | 3m | 1m | 3m | 1m | 3m | |
Maximum allowed straightness deviation (mm) | ||||||||
R1 | 5 | 45 | 3.5 | 31.5 | 2.5 | 22.5 | 2 | 18 |
R2 | 2 | 18 | 1.5 | 13.5 | 1.25 | 11.3 | 1 | 9 |
R3 | 1.5 | 13.5 | 1 | 9 | 0.8 | 7.2 | 0.5 | 4.5 |
R4 | 1 | 9 | 0.7 | 6.3 | 0.5 | 4.5 | 0.3 | 2.7 |
R9 | As per customer`s special requirement | |||||||
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Zhishang Steel Co., Ltd
ABOUT USOverviewThe company mainly deals in color-coated, galvanized, stainless steel pipes, stainless steel coils, stainless steel plates of various materials; hot-rolled series of rebar, medium and heavy plates, coils, I-beams, angle steels, channel steels, H-beams and other steel products and deep processing Service. (The company’s annual invent···
