OD70 80 100mm 45 Steel High Strength Flat Washer Concave Washer for Bolts EB648

OD70 80 100mm 45 Steel High Strength Flat Washer Concave Washer for Bolts EB648

1. Material Grade:45 Steel

2. Sizes:OD70 80 100mm

3. Surface Treatment:Blackening

4. Hardness:about HRC30

5.Tensile Strength:≥1000MPa

6. Application:Bolts of Mine, Cement Plant, Power Station, Chemical Industry, Ball Mill, SAG Mill

7. Chemical Composition:

Material(%) C Mn Si Cr S P 45steel 0.42-0.48 0.50-0.80 0.17-0.37 ≤0.25 ≤0.035 ≤0.035

8. Our Video for OD70 80 100mm 45 Steel High Strength Flat Washer Concave Washer for Bolts:

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