Factory price Seamless Round Cold drawn steel tubes
USD $0.95 - $1.4 /Kilogram
Min.Order:5000 Kilograms
Factory price Seamless Round Cold drawn steel tubes
1.Grade:20#,45#,Q345D,STKM13C-T(25Mn)
2.OD:30mm-250mm Hydraulic cylinder Cold Drawn honed tube Best reputation New Supplier
3.Technique:Cold drawn honed tubes
4.Suitable for hydraulic cylinder tubes,honing or skiving and roller burnishing cylinder tubes
Dimensions tolerance
Grade | OD(mm) | ID (mm) | Tolerance | ||||
OD (mm) | ID (mm) | Wall thickness deviation (mm) | Ovality (mm) | Curvature(mm/m) | |||
45# | 40-74 | 30-65 | ±.01 | -0.3,-0.5 | ≤0.5 | ≤0.1 | 0.3 |
74-98 | 65-85 | ±.01 | -0.4,-0.6 | ≤0.5 | ≤0.15 | 0.3 | |
100-116 | 85-100 | ±.02 | -0.4,-0.6 | ≤0.6 | ≤0.15 | 0.3 | |
124-134 | 110-115 | ±.02 | -0.6,-0.8 | ≤0.6 | ≤0.20 | 0.3 | |
140-158 | 120-135 | ±.02 | -0.7,-0.9 | ≤0.8 | ≤0.20 | 0.3 | |
165-176 | 140-150 | ±.02 | -0.7,-0.9 | ≤0.8 | ≤0.20 | 0.3 | |
188-203 | 160-180 | ±.02 | -0.7,-0.9 Honed | ≤0.8 | ≤0.20 | 0.3 |
Xinpeng Have 6 workshop Total
1. Raw Material warehouse. Good stock situation can assure regular clients' order smoothly.
2. Pretreatment Workshop. Have included the pickling, Phosphating,Saponificating Process.
All Approved by Environmental protection of government.
3. Cold drawn/rolled workshop . have equipped with 4sets cold rolled machine, 2 sets cold drawn machine.
4. Anneal workshop. (included other equipment as straightening machine and so on)
5. SRB/Honing workshop.
6. polished workshop with finished product warehouse.
Mechanical properties
Delivey conditions:
Chemical composition of Material:
Steel grade | Chemical composition,% | |||||
C | Si | Mn | P | S | Cr | |
≤ | ||||||
20# | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.25 |
16Mn | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.03 | 0/03 | 0.25 |
ST52(E355) | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | 0.25 |
SAE1026 | 0.22-0.28 | 0.15-0.35 | 0.6-0.9 | 0.04 | 0.05 | / |
Main Production Progress:
Raw material | → | Cold drawn | → | Heat treatment BK+S | → | Honed & SRB | → | Packing |
1. 24hours service via phone ,wechat alibaba trade manager.
2. Good package and best container method.
3. Professional explanation with professional online service
4. Factory manufacturer can assure the best quality.
5. Good delivery time as 15-30 days .
6. 3 years product assurance after usuage.
7. Good quality process in our own factory,
each lot tube have their own 5 years'life card.
we always do our best to make deal with any clients, welcome to inquiry at any time!
1.Are you a trading company or manufacturer?
We are the professional manufacturer of precision seamless steel pipe since the year 1992.
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.
If you are very urgent to get the price.
please inform us in email so that we will regard your inquiry priority.
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 about the lead time for mass production?
Honestly, it depends on the order quantity and the season you place the order.
if normal order 25-30days.
5. What is your terms of delivery?
We accept FOB CIF EXW CFR.