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Help CenterChina High Quality Cold Draw Seamless Steel Tubes in Large Demand
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China high quality cold draw seamless steel tubes in large demand
Inner diameter |
| warp of wall thickness | ||
H8 | H9 | H10 | ||
30 | +0.033 0 | +0.052 0 | +0.084 0 | ±5% |
30-50 | +0.039 0 | +0.062 0 | +0.100 0 | |
50-80 | +0.046 0 | +0.074 0 | +0.120 0 | |
80-120 | +0.054 0 | +0.087 0 | +0.140 0 | |
120-180 | +0.063 0 | +0.100 0 | +0.160 0 | |
180-250 | +0.072 0 | +0.115 0 | +0.185 0 | |
250-315 | +0.081 0 | +0.130 0 | +0.210 0 | |
315-400 | +0.089 0 | +0.140 0 | +0.230 0 | |
.
Manufacturing Process of Hot Rolled Seamless Steel Pipe
Round Steel billet→ Inspection→Cutting→ Heating→ Piercing→ A-R Rolls Tube Machine→ Stretch Reducing → Cool→ Straightening→ Cutting→ Visual and Dimension Check→ NDT Inspection→ Water Pressure Tested→Open Directly→ Stenciling, Packing→Weight, Storage
Our factory ,Henan Xinfeng YI Steel Co., Ltd. , is located in Henan.
You are always warmly welcomed to visit our factory.
The company is a larger scaffolding manufacturer,The factory has for years been in line with the principle of good faith.
The company's products not only quality is good,And the price is low.
Our company have a quality department not only strictly the quality pass, and specialized in research and development
department will make products according to your request.
Our products have been exported to many countries such as Africa, South America, Asia and
Middle East. We have won a very good reputation from customers all over the world.
The aim of our company is: QUALITY FIRST, CREDIT FOREMOST!
1) High quality , quantity is with preferential treatment
2) can cut stainless steel sheet in any shapes
3) Famous stainless steel company in China and overseas.
4) Strong ability to supply
5) Reasonable price
6) Reliable quality and service
1. Are you a factory or trading company?
A factory
2. What is your advantage?
Team of experienced , State-of-art production facilities, Superior quality products.
A design solution to a design problem, Competitive prices, In time delivery,Total customer satisfaction
3. How does your factory do regarding quality control?
Quality is priority. We always attach great importance to quality controlling from the very beginning to the very end.
Our factory has passed ISO9001,ISO14001,CE,API.
4. What is the material of your products?
The material is carbon steel, alloy steel and stainless steel. We can also choose material according to customer's
requirement.
5. How can i get some samples?
We are honored to offer you samples.
6. Where is your factory located? How can i visit there?
Our factory is located inZidong steel enterprise zone, Guancheng district, Zhengzhou City, Henan, China . All our clients, from home or abroad, are warmly welcomed to visit us.
7. Do you have MOQ limit?
Yes , 1 Ton
if you like our products , welcome you contact me freely.
Send Inquiry to This Supplier
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