Overview - Basic Information
Usage
Hydraulic/Automobile Pipe, Machinery Industry
Delivery Terms
EXW/FOB/CIF/CFR
Product Description
The process of manufacturing shock absorbers usually starts with selecting high-quality raw materials. The type of raw materials used can significantly affect the performance and lifespan of shock absorbers. Carbon steel seamless steel pipes and alloy seamless steel pipes are commonly used. Accuracy is crucial to ensure each component meets precise specifications for optimal performance.
Product Parameters
| Serial Number |
Inspection Items |
Sampling Quantity |
| 1 | Chemical composition | One sample per furnace number |
| 2 | Tensile strength | One sample per batch |
| 3 | Hardness | One sample per batch |
| 7 | Eddy current testing | Test one by one |
| 8 | Surface roughness | One sample per batch |
| GRADE |
C |
Si |
Mn |
Cr |
P |
S |
| 20# | 0.17~0.23 | 0.17~0.37 | 0.35~0.65 | ≤0.25 | ≤0.035 | ≤0.035 |
| 45# | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.25 | ≤0.035 | ≤0.035 |
| 40Cr | 0.37~0.44 | 0.17~0.37 | 0.50~0.80 | 0.80~1.10 | ≤0.030 | ≤0.030 |
Actual Testing & Processing
Production Facilities
Frequently Asked Questions
Are you a manufacturer or a trading company?
We are a professional manufacturer for steel pipes. We provide a wide range of steel products with competitive prices and excellent after-sales service based on our extensive export experience.
How do you ensure on-time delivery?
Honesty is our core principle. We promise to provide the best quality products and ensure timely delivery regardless of market price fluctuations.
Do you provide free samples?
Yes, samples can be provided free of charge. While the initial freight cost is covered by the customer, it will be returned once a formal cooperation is established.
How can I receive a quotation quickly?
Please send your requirements (Steel grade, size, quantity, destination port) via email or messaging apps. We check all inquiries within 24 hours to provide the best price promptly.
What certifications do your products have?
We guarantee high quality through certifications such as ISO9000, IATF16949, and ISO 14001, supported by our professional engineering and development teams.
Do you accept third-party inspections?
Yes, we absolutely accept and welcome third-party inspections to ensure customer satisfaction and product integrity.