Brand Name: JOYRUNS
Model Number: 6mm to 114mm
Place of Origin: CHINA
EN10305 Precision seamless steel tube
Used in hydraulic & pneumatic cylinder ,automobile and other mechanical device .Feature: high precision and high brightness, the inner and outer surface of the tubes have high cleanness without oxid, mechanical properties of the final tubes also come out excellent, promising no leakage under high pressure, no deformation after cold-bent and no cracks when flaring and flattening, ensuring the efficient operation in all service.
1. Standard: EN10305-1
2. Grade: E235,E255,E355,C45E, E235C,C35E, ST35,ST45,ST37
3. OD. Range:6mm – 88.9mm
Wall thickness: 1mm-15mm
Length: Max length 24M
4. Type: Seamless
5. Packaging detail: Bundles with plastic paper packaged or wooden box package
7.Delivery status: BK(+C), BKS(+SR), BKW(+LC), GBK(+A), NBK(+N)
8.Delivery date: 10-30days
Specifications:
Grade and Chemical Composition ( % )
Item |
Grade |
C max |
Mn |
P max |
S max |
Si max |
E235 |
1.0308 |
0.17 |
≥0..4 |
0.025 |
0.025 |
0.35 |
St45 |
1.0408 |
0.21 |
≥0.4 |
0.025 |
0.025 |
0.35 |
E355 |
1.0508 |
0.22 |
≤1.6 |
0.025 |
0.025 |
0.55 |
Mechanical properties
item |
grade |
Cold finished (Hard) (BK) |
Cold finished (Soft) (BKW) |
Cold finished and stress-relieved (BKS) |
Annealed (GBK) |
Normalized (NBK) |
|||||||
Rm |
A |
Rm |
A |
Rm |
ReH |
A |
Rm |
A |
Rm |
ReH |
A |
||
MPa |
% |
MPa |
% |
MPa |
MPa |
% |
MPa |
% |
MPa |
% |
|||
1 |
E235 |
480 |
6 |
420 |
10 |
420 |
315 |
14 |
315 |
25 |
340-470 |
235 |
25 |
2 |
ST45 |
580 |
5 |
520 |
8 |
520 |
375 |
12 |
390 |
21 |
440-570 |
255 |
21 |
3 |
E355 |
640 |
4 |
580 |
7 |
580 |
450 |
10 |
450 |
22 |
490-630 |
355 |
22 |
Tag:
Precision seamless steel tube
Precision steel pipe
Hydraulic precision steel tube
precision machinery parts for cars and cylinder.