75Cr1 Hardened White Polished Precision Strip Steel
Parameters | Recommendation |
Steel Grade | 75Cr1 |
Brand | Baomit |
Certification | ISO9001:2015 |
Hardness | 580 – 650 HV |
Surface Finish | White / Blue / Yellow Polished |
Edges | Slit / Round |
Thickness Tolerance | +/- 0.02 |
Width Tolerance | +/- 0.10 |
Camber | Max 1mm per 3m |
![75Cr1 Hardened White Polished Precision Strip Steel](https://baomitsteel.com/wp-content/uploads/1055.png)
Our Advantages:
• Excellent wear resistance
• High productivity
• Precise thickness and width tolerances
• Maximum straightness deviation of 1 mm / 6 m
• Good surface finish
• Consistent, uniform microstructure
Chemical Composition % of Steel 75Cr1
C | Si | Mn | P | S | Cr |
0.70-0.80 | 0.25-0.50 | 0.60-0.80 | max 0.03 | max 0.03 | 0.30-0.40 |
Thickness Tolerances
Thickness (mm) | Tolerances ± mm | ||||
T1 | T2 | T3 | T4 | T5 | |
0.020 - 0.040 | 0.004 | 0.003 | 0.002 | - | - |
0.040 - 0.100 | 0.006 | 0.005 | 0.004 | 0.003 | 0.002 |
0.100 - 0.125 | 0.007 | 0.005 | 0.004 | 0.003 | 0.002 |
0.125 - 0.160 | 0.009 | 0.006 | 0.005 | 0.004 | 0.003 |
0.160 - 0.200 | 0.010 | 0.007 | 0.005 | 0.004 | 0.003 |
0.200 - 0.250 | 0.011 | 0.008 | 0.006 | 0.004 | 0.003 |
0.250 - 0.400 | 0.015 | 0.011 | 0.008 | 0.006 | 0.004 |
0.400 - 0.600 | 0.020 | 0.014 | 0.010 | 0.007 | 0.005 |
0.600 - 0.800 | 0.023 | 0.017 | 0.012 | 0.008 | 0.006 |
0.800 - 1.000 | 0.027 | 0.019 | 0.013 | 0.009 | 0.007 |
1.000 - 1.250 | 0.034 | 0.024 | 0.017 | 0.012 | 0.008 |
1.250 - 1.600 | 0.039 | 0.028 | 0.020 | - | - |
1.600 - 1.750 | 0.046 | 0.033 | 0.023 | - | - |
Width Tolerances
Thickness (mm) | Width (mm) | Tolerances ± mm | ||
W1 | W2 | W3 | ||
≤0.25 | ≤50 | 0.10 | 0.07 | 0.05 |
50 - 125 | 0.15 | 0.11 | 0.07 | |
>125 | 0.20 | 0.15 | 0.10 | |
0.25 - 0.50 | ≤50 | 0.15 | 0.11 | 0.07 |
50 - 125 | 0.20 | 0.15 | 0.10 | |
>125 | 0.25 | 0.20 | 0.15 | |
0.50 - 1.00 | ≤50 | 0.20 | 0.15 | 0.10 |
50 - 125 | 0.25 | 0.20 | 0.15 | |
>125 | 0.30 | 0.25 | 0.15 | |
1.00 - 1.60 | ≤50 | 0.20 | 0.15 | 0.10 |
50 - 125 | 0.30 | 0.25 | 0.15 | |
>125 | 0.35 | 0.25 | 0.20 | |
1.60 - 1.75 | ≤50 | 0.30 | 0.20 | 0.15 |
50 - 125 | 0.35 | 0.30 | 0.20 | |
>125 | 0.40 | 0.30 | 0.20 |
Surface Roughness
Available in white polished, blue polished and yellow.
Thickness (mm) | Roughness | ||
Class 1 | Class 2 | Class 3 | |
≤0.50 | Ra≤ 0.30 µm Rt≤ 3.00 µm | Ra≤0.25 µm Rt≤ 2.50 µm | Ra≤ 0.20 µm Rt≤ 2.00 µm |
0.50 - 1.00 | Ra≤ 0.35 µm Rt≤ 3.50 µm | Ra≤ 0.25 µm Rt≤ 2.50 µm | Ra≤ 0.20 µm Rt≤ 2.00 µm |
1.00 - 1.75 | Ra≤ 0.40 µm Rt≤ 4.00 µm | Ra≤ 0.30 µm Rt≤ 3.00 µm | Ra≤ 0.30 µm Rt≤ 3.00 µm |
Flatness Deviation
Maximum flatness deviation per inch strip width.
Thickness (mm) | Flatness Deviation | |||
Class 1 | Class 2 | Class 3 | Class 4 | |
0.02 - 0.10 | P60 | P50 | P40 | P30 |
0.10 - 0.25 | P50 | P40 | P30 | P20 |
0.25 - 0.50 | P40 | P30 | P20 | P10 |
0.50 - 1.75 | P35 | P25 | P15 | P10 |
Straightness Deviation
Strip Width (mm) | Measured Length (3m) | ||
Class 1 | Class 2 | Class 3 | |
≤50 | 3 mm | 2 mm | 1 mm |
50 - 125 | 3 mm | 2 mm | 1 mm |
>125 | 3 mm | 2 mm | 1 mm |
75Cr1 Hardened White Polished Precision Strip Steel
Place of Origin: China
Manufacturer: Hubei Baomit Steel Materials Co., Ltd.
Steel Grade: 75Cr1
Equivalent Grades: SKS5
Supply Condition: Hardened and Tempered (H & T)
Applications: Spring parts, Blades, Needles
Brand: BAOMIT
Min Order: 1 Ton
Package: Pallet
Delivery Time: 4-5 weeks
Payment Term: L/C, T/T, Western Union
Production Capacity: 300 tons per month
"Baomit strip steel stands for precision, quality and high performance. Our factory is excellent in terms of comprehensive delivery indicators, such as straightness, flatness, mechanical properties and metallographic uniformity."
- Mr. Lixian Yang
Company CEO