API X52/Stkm11/1020/1040/4140/4130/E355/45c/St52/20cr/40cr/20crmo Carbon Steel Metal Material Precision Seamless Steel Tube Pipe
Short Description:
High precision cold rolled seamless steel tube identifies the precision steel pipe with high dimension precision (inside diameter and outside diameter), good surface finish, excellent roundness and straightness, and uniform wall occurrence. It can be widely used in automobile, motorcycle, electric vehicle, petrochemical, electric power, ship, aerospace, bearing, pneumatic components, medium and low pressure boiler seamless steel tubes and other industries, and can also be applied to steel sleeve, bearing, hydraulic, mechanical processing and other fields.
We will devote ourselves to giving our esteemed buyers using the most enthusiastically thoughtful services for API X52/Stkm11/1020/1040/4140/4130/E355/45c/St52/20cr/40cr/20crmo Carbon Steel Metal Material Precision Seamless Steel Tube Pipe, We welcome new and old customers from all walks of life to contact us for future business relationships and achieve mutual success!
We will devote ourselves to giving our esteemed buyers using the most enthusiastically thoughtful services for China Precision Seamless Steel Tube Pipe, Our tenet is “integrity first, quality best”. We’ve got confidence in providing you with excellent service and ideal solutions. We sincerely hope we can establish win-win business cooperation with you in the future!
Inside and Outside wall of Precision seamless steel pipe with high-precision, high-quality finish, after heat-treated, steel pipe without oxide layer, the inner wall with cleanliness, steel to withstand high pressure, not deformation of the cold bending, flaring, flattening without cracks, for a variety of complex deformation and machining treatment.
The seamless precision seamless steel tubes can be used for a wide range of precision mechanical spare for car and cylinder accord to standard:DIN 2391, EN10305-1,DIN17175 etc.
Material: ST35,ST45,ST52
Manufacturing method: Cold-Rolled, Cold-Drawn
Delivery condition: BK,BKS,SR,GBK,NBK.
Packing: Bundles by steel strips.
External packing by wooden cases if the wall thickness.
Oil-coating is generally necessary especially for export.
Application: Used in hydraulic & pneumatic cylinder ,automobile and other mechanical device.
|
Grade |
Material |
C |
Si |
Mn |
P |
S |
|
max |
max |
max |
max |
max |
||
|
St35 |
1.0308 |
0.17 |
0.35 |
0.4 |
0.05 |
0.05 |
|
St45 |
1.0408 |
0.21 |
0.35 |
0.4 |
0.05 |
0.05 |
|
St52 |
1.0508 |
0.22 |
0.55 |
1.6 |
0.05 |
0.05 |
|
Grade |
Material |
Cold-Finished /Hard(BK) |
Cold-Finished/Soft (BKW) |
||
|
Rm(Mpa) |
A(%) |
Rm(Mpa) |
A(%) |
||
|
St 35/E235 |
1.0308 |
480 |
6 |
420 |
10 |
|
St 45 |
1.0408 |
580 |
5 |
520 |
8 |
|
St 52/E355 |
1.0508 |
640 |
4 |
580 |
7 |
|
Grade |
Cold Finished (Soft)(BKW) |
Annealed (GBK) |
Normalized (NBK) |
|||||
|
Rm(Mpa) |
ReH (Mpa) |
A(%) |
Rm(Mpa) |
A(%) |
Rm (Mpa) |
ReH (Mpa) |
A(%) |
|
|
St 35/E235 |
420 |
315 |
14 |
315 |
25 |
340-470 |
235 |
25 |
|
St 45 |
520 |
375 |
12 |
390 |
21 |
440-570 |
255 |
21 |
|
St 52/E355 |
580 |
450 |
10 |
490 |
22 |
490-630 |
355 |
22 |
We will devote ourselves to giving our esteemed buyers using the most enthusiastically thoughtful services for Online Exporter API X52/Stkm11/1020/1040/4140/4130/E355/45c/St52/20cr/40cr/20crmo Carbon Steel Metal Material Precision Seamless Steel Tube Pipe, We welcome new and old customers from all walks of life to contact us for future business relationships and achieve mutual success!
Online Exporter China Carbon Steel and Steel Tube, Our tenet is “integrity first, quality best”. We’ve got confidence in providing you with excellent service and ideal solutions. We sincerely hope we can establish win-win business cooperation with you in the future!
