Quick Details
| Standard:GB | Place of Origin:Tianjin China (Mainland) | Type:Seamless |
| Steel Grade:20#/45#/16Mn/27SiMn | Thickness:3~50mm | Outer Diameter:45~630mm |
Specifications
Application :
1. useforoilwell
2. precisionmachines ,
3. ship ,
4. petro-chemical
Our company make seamless steel tube with low price and good quality .
We are able to manufacture all kinds of relative products according to your special requirements or drawings
Our products enjoy good reputation with competitive price and high quality in the international market . Continuing service and customer support is our way of developing a strong alliance with you and your company .
Application : use for oil well , precision machines , ship , petro-chemical , structure pipe , shock absorber , building , geology , line pipe , automobile , fluid tubes ect .
Processing mode | Diameter | Length | Linearity | Precision | Roughness of inner hole |
Cold drawn | 45~630 | ≤14M | 0.3~1.0 | H8~H10 | Ra0.8~Ra1.6 |
Hone | 25~500 | ≤10M | 0.3 | H7~h8 | Ra0.4~Ra0.8 |
Mechanical Performance
Model | Item | Cold drawn tube |
20# | Intensity of tension σbN/mm2 | ≥510 |
Elongation rate δ5% | ≥5 | |
45# | Intensity of tension σbN/mm2 | ≥647 |
Elongation rate δ5% | ≥4 | |
16Mn | Intensity of tension σbN/mm2 | ≥640 |
Elongation rate δ5% | ≥10 | |
27SiMn | Intensity of tension σbN/mm2 | ≥840 |
Elongation rate δ5% | ≥7.5 |
Looking forward to our future good cooperation and welcome to visit our factory .
If you are interested in our pipes . Please feel free to contact me .
]]>