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Micro-Alloyed Steel Strip Acc. To Din En 10140

Dimensional tolerances Acc. to DIN EN 10140 and special agreement 
Specialities: Tolerance range for mechanical properties can be reduced further if necessary.
Measuring on longitudinal test specimen preferred, transverse testing by agreement.

Product Specifications

Minimum distance of the measuring points from the edge for strip thicknesses acc. to DIN EN 10140
Type of edge

Nominal widths W [mm]

Minimum distance of the measuring points from the edge for strip thicknesses acc. to DIN EN 10140
Type of edge Nominal widths W [mm] Min. Distance from Edge [mm]
As rolled edges (NK) W ≤ 30 5
30 < W ≤ 800 15
Slit edges (GK) W ≤ 20 5
20 < W ≤ 800 10
Special edges (SK) Upon consultation Upon consultation

Strip thickness tolerances acc. to DIN EN 10140 and special tolerances   
Nominal Width < 125 mm Nominal Width ≥ 125 up to ≤ 650 mm
Nominal Thickness [mm] A (±) B (±) C (±) A (±) B (±) C (±)
> 0.15 – 0.25 EN 0.015 0.012 0.008 0.02 0.015 0.01
> 0.25 – 0.40 EN 0.02 0.015 0.01 0.025 0.02 0.012
> 0.40 – 0.60 EN 0.025 0.02 0.012 0.03 0.025 0.015
> 0.60 – 1.00 EN 0.03 0.025 0.015 0.035 0.03 0.02
> 1.00 – 1.50 EN 0.035 0.03 0.02 0.04 0.035 0.025
> 1.50 – 2.50 EN 0.045 0.035 0.025 0.05 0.04 0.03
> 2.50 – 4.00 EN 0.05 0.04 0.03 0.06 0.05 0.035
> 4.00 – 6.00 EN 0.06 0.05 0.035 0.07 0.055 0.04


Tolerance Standard: DIN EN 10140 / DIN 1544 / DIN 1541 / DIN EN 10131
Thickness: 0.1–4.5 mm
Width: 8–650 mm
Coil ID: 300/400/500mm

Customized service
FAQ

Q1: Which main grades does your micro-alloyed cold rolled steel strip cover?
A1: Our main grades include 65Mn, 75Cr1, 75Ni8, 50CrV4, 60Si2Mn, SKS51, SK2, SK4, SK5, SK7, SK85, SK95, SAE1050/1070/1074/1078/8660, 68CrNiMo, 80CrV2, C67S, C75S, D6A, X32, GCr15, 20Cr, 16MnCr5, and stainless steel grades such as 5Cr15MoV, 2Cr13(420J1), 3Cr13(420J2), 4Cr13. Thickness: 0.1-4.5mm; Width: 8-650mm.

Q2: Can you provide custom slitting services?
A2: Yes, we currently operate 6 slitting lines to meet different customer width requirements, capable of slitting down to a minimum width of 7mm.

Q3: What tolerance precision can you control to?
A3: We operate two Sendzimir 20-high rolling mills from the US, achieving thickness tolerance as tight as ±0.003mm.

Q4: What is your minimum order quantity (MOQ)?
A4: MOQ is determined based on the specific grade and dimensional requirements, and varies by width.

Q5: What certifications does your company hold?
A5: Our quality management system certifications include IATF16949:2016 and ISO14001:2015.

Customization Capability
Customized heat treatment solutions are available to tailor microstructure, hardness range, and mechanical properties according to specific application requirements, ensuring optimal reliability, stability, and service life.
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About HENGYE
Dongyang Hengye Steel Strip Co., Ltd.

Dongyang Hengye Steel Strip Co., Ltd., founded in 1999, specializes in the production of precision cold‑rolled and heat‑treated alloy steel strips. With an annual capacity exceeding 50,000 tons, advanced equipment, and IATF 16949 certification, we supply globally recognized products known for excellent flatness, surface smoothness, and hardness consistency to the automotive, machinery, and medical sectors.

Committed to technological R&D and continuous innovation, HENGYE strives to enhance product performance and build a brighter future in partnership with our customers.

Certificate Of Honor
  • A High-Precision Steel Strip Flatness Measurement Device
  • A Steel Strip Degreasing Unit
  • A Portable and Stable Support Frame for Steel Strip Processing Lines
  • IATF Certification Certificate
  • ISO14001
  • Member Unit of the China Textile Machinery Association (CTMA)
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