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[China]
Trade Verify
Address: Wuliyao Industrial Zone, Yanshan County, Hebei Province, China
Contact name:Sam Cui
Hebei Lufeng Piping Equipment Co., Ltd. |
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Verified Suppliers
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Varieties
| Processing the form | Cylinder diameter | Length | Straightness | Dimensional accuracy | Wall thickness | Inner hole roughness |
| cold drawn | 48~325 | ≤ 12m | 0.3~0.8mm/m | ±10% | 0.8~1.6µm | |
| honing | 48~325 | ≤ 10m | 0.3~0.8mm/m | H8~H9 | ±10% | 0.3~0.8µm |
| roling | 50~250 | ≤ 9m | 0.3~0.8mm/m | H7~H9 | ±10% | 0.01µm |
Mechanical Properties
| Material | Tensile strength | Yield strength | Elongation | Hardness |
| 20# | 530σbN/mm2 | 505σbs/mm2 | 12σs% | 175HB |
| 45# | 660σbN/mm2 | 630σbs/mm2 | 6σs% | 207HB |
| 16Mn | 595σbN/mm2 | 570σbs/mm2 | 9σs% | 190HB |
| 27SiMn | 840σbN/mm2 | 805σbs/mm2 | 7.5σs% | 230HB |
production process
FAQ:
1. How can I get the price?
We usually quote within 24 hours after we get your inquiry by
telling us the material, out diameter, wall thickness length,
quantity and application of the steel pipe which you need.
2. How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our
quality. We will provide you the sample for free, however we could
only make sure the same material, the dimension will be much
similar as your request but not same. And customer should afford
the charge of shipment.
3. What is your terms of delivery?
We accept EXW, FOB, CIF, DDU etc. You can choose the one which is
the most convenient or cost effective for you.
4. Can your machine or other products be customized?
Yes, we are a professional manufacturer who specializes in welding
equipment about 9 years old, we have a strong design team, so any
conventional products can be customized.
5. Do you offer a cut to length service?
Yes. Simply select your tube size and tell our sales, and this will
allow you to select your ideal length, quantity and any
special requirements.
