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MOQ: | 10 sets |
Price: | USD0.5/set ~ USD20/set |
Standard Packaging: | Plywood Case |
Delivery Period: | It depends on the quantity to be ordered. |
Payment Method: | by T/T or L/C, Western Union |
Supply Capacity: | 100,000,000.00 sets per year |
12.9 Level High Tensile Steel Bolts For Mill Liner And Large Grinding Equipment EB650
1. Material Grade:12.9 Level 40Cr
2. Sizes:M42x3x350mm
3. Specification:M42
4. Production Process:Hot forging → Machining & Tapping→ Heat Treatment(Oil Quenching & Tempering) →
Blackening Treatment.
5. After heat treatment, the mechanical properties are as follows:Hardness: ≥HRC30, Tensile Strength: ≥1000MPa
6. Package:Packed in one case.
7. Chemical Composition:
Composition (%) |
C |
Si |
Mn |
Cr |
Ni |
S |
P |
Cu |
40Cr | 0.37-0.44 | 0.17-0.37 | 0.5-0.8 | 0.8-1.0 | ≤0.3 | ≤0.035 | ≤0.035 | ≤0.03 |
8. Our Video for 12.9 Level High Tensile Steel Bolts For Mill Liner And Large Grinding Equipment:
![]() |
MOQ: | 10 sets |
Price: | USD0.5/set ~ USD20/set |
Standard Packaging: | Plywood Case |
Delivery Period: | It depends on the quantity to be ordered. |
Payment Method: | by T/T or L/C, Western Union |
Supply Capacity: | 100,000,000.00 sets per year |
12.9 Level High Tensile Steel Bolts For Mill Liner And Large Grinding Equipment EB650
1. Material Grade:12.9 Level 40Cr
2. Sizes:M42x3x350mm
3. Specification:M42
4. Production Process:Hot forging → Machining & Tapping→ Heat Treatment(Oil Quenching & Tempering) →
Blackening Treatment.
5. After heat treatment, the mechanical properties are as follows:Hardness: ≥HRC30, Tensile Strength: ≥1000MPa
6. Package:Packed in one case.
7. Chemical Composition:
Composition (%) |
C |
Si |
Mn |
Cr |
Ni |
S |
P |
Cu |
40Cr | 0.37-0.44 | 0.17-0.37 | 0.5-0.8 | 0.8-1.0 | ≤0.3 | ≤0.035 | ≤0.035 | ≤0.03 |
8. Our Video for 12.9 Level High Tensile Steel Bolts For Mill Liner And Large Grinding Equipment: