Description
40Cr High Strength Structural Bolt and Nut
1.Material Grade:10.9 Level 40Cr
2.Sizes: M45x3x350mm
3.Specification:M45
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, ensile Strength: ≥1000MPa
8.Package: Packed in one case.
We can help you choose the right grade of bolt and nut according to your specific working conditions
9.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 |
10.Our Photos for 40Cr High Strength Structural Bolt and Nut:
Our Experience:
- 13 Year Experience in Heat-resistant Steel Field
- 18 Year Expertise in Wear-resistant Material Field
- 20 Year Customer-made High Quality Castings & Forgings
Trading Terms:
- The nearest seaport: Shanghai port
- The nearest airport: Shanghai Pudong airport
- Payment Terms:L/C,TT,West Union,Paypal
- Payment Condition:50% before production, 50% before delivery against complete set of inspection report
- Supply Capability: 10,000 tons per year
- Sample Availability: yes
- Sample Time:15-30 Days
- Packing: Plywood Cases or Steel Crates
- Delivery time: 45 working days per 20 tons regular castings & forgings
- Service: OEM, ODM or Customized
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- 20-year Foundry Operation Experience.
- Friendly & High Efficient Technical & Commercial Communication
- Professional Export Practices: Exported to +60 Overseas Countries.










