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 |
rolling | 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 |


1. Abundant production experience
Hebei Lufeng Piping Equipment Co., Ltd., focused on cold drawnsteel
tube,honing pipe,anchor drill and hydraulic cylinder research and
producing, after years of practice, has the abundant technical
force and the good team.
2. Quality raw materials
In order to improve product quality and reduce production cost, we
always choose carefully and reserved the quality of the material
after test and used.
3. The advanced processing equipment
Our Company is provided with the advanced production and processing
equipment, measuring instruments and the first-rate working
environment, thus making this enterprise have a stronger production
capability and market competitiveness.
4. Complete specification
We have various specifications of the mold. And we have products
with best quality and complete specifications to guarantee the
timely service.
Large factory with an area of 10000 square meters, competitive
price.
Customer OEM & ODM service solution
Consecutive sales increase for 3 years. Export to more than 15
countries in Europe, the Middle East, Southeast Asia, Africa, South
America and areas etc.
Integrated department scales, purchasing, R&D, production, QC,
warehouse, logistics to make your orders go smoothly.
Our well-equipped facilities and excellent quality control enables
us meet customers' satisfaction. Besides, we have gained CE and
ISO9001 certificates.
1. Are you a trading company or manufacturer?
Hebei Lufeng Piping Equipment Co., Ltd. is the factory and trade
company.
2. 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.
3. 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.
4. 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.
5. 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.
6. 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.