Good Price Precision Steel Pipe
Classification :
PRODUCT DETAILS
Description
Precision steel tube is a high-precision steel tube material processed by cold drawing or hot rolling. Because the inner and outer walls of precision steel pipes have no oxide layer, high pressure without leakage, high precision, high smoothness, cold bending without deformation, flaring, flattening without cracks, etc., they are mainly used to produce pneumatic or hydraulic components, such as cylinders or The oil cylinder can be a seamless tube or a welded tube.
Application
The internal and external diameter could control within +/- 0.01 mm. In the guarantee of anti-bending strength and torque strength same, the weight of precision pipe is lighter. It can be widely used in manufacturing precision machinery parts and engineering structure,and also commonly used to produce various kinds of conventional weapons, barrel, shells, bearing and so on.
Standard
PRECISION CHREME-MOLYBDENUM STEEL TUBE
|
Standard |
GB |
ASTM |
JIS |
DIN |
|
GRADE |
15Cr |
5115 |
SCR415 |
15Cr3 |
|
20Cr |
5120 |
SCR420H |
20Cr4 |
|
|
30Cr |
5130 |
SCR430 |
28Cr4 |
|
|
35Cr |
5132 |
SCR430H |
34Cr4 |
|
|
40Cr |
5140 |
SCR440 |
41Cr4 |
|
|
12CrMo |
A-387CR |
A-387CR |
13CrMo44 |
|
|
15CrMo |
41.494.18 |
4125 |
16CrMo44 |
|
|
20CrMo |
4125 |
4130 |
20CrMo44 |
|
|
25CrMo |
4130 |
SCR420H |
25CrMo4 |
|
|
30CrMo |
SCR420H |
4140 |
34CrMo4 |
|
|
35CrMo |
4140 |
4140 |
42CrMo4 |
|
|
42CrMo |
A-387CR |
|
|
PRECISION ALLOY SEAMLESS STEEL TUBE
|
ASTM |
A335-P1,A335-P2,A335-P12,A335-P11,A335-P22,A335-P9,A335-P5,A369-FP22,A213-T22,A213T11,A213-T12,A213-T2,A213-T1 |
|
GB |
16Mo，CR2Mo,CR5Mo,12CrMo，15CrMo，12Cr1Mov， |
|
JIS |
STPA12,STBA20,STPA22,STPA23,STPA24,STBA26, |
|
DIN |
15Mo3，13CrMo44，16CrMo44,10CrMo910,12CrMo195 |
|
Grade |
Chemical Composition% |
||||
|
C |
Si |
Mn |
P |
S |
|
|
20# |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
|
45# |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
0.035 |
0.035 |
|
SKTM13C-T(25Mn) |
0.22-0.29 |
0.17-0.37 |
0.70-1.00 |
0.035 |
0.035 |
|
27SiMn |
0.24-0.32 |
1.10-1.40 |
1.10-1.40 |
0.035 |
0.035 |
|
E355 |
≤0.22 |
≤0.55 |
≤1.6 |
0.025 |
0.025 |
|
Q345B |
≤0.2 |
≤0.5 |
1.00-1.60 |
0.030 |
0.030 |
|
Q345D |
≤0.2 |
≤0.5 |
1.00-1.60 |
0.030 |
0.030 |
|
SAE1026 |
0.22-0.28 |
0.15-0.35 |
0.60-0.90 |
0.040 |
0.050 |
|
Delivery condition |
BKS Cold Drawn & Stress-Relieved |
||
|
Steel Grade |
Rm MPa |
ReH MPa |
Elongation A5(%) |
|
ST45 |
≥520 |
≥375 |
≥15 |
|
ST52(E355) |
≥600 |
≥520 |
≥14 |
|
SAE1026 |
≥600 |
≥510 |
≥15 |
|
45# |
≥600 |
≥520 |
≥10 |
|
20# |
≥520 |
≥375 |
≥15 |
|
Delivery condition |
BK Cold finished |
|
|
Steel Grade |
Rm MPa |
Elongation A5(%) |
|
ST45 |
≥550 |
≥5 |
|
ST52(E355) |
≥640 |
≥5 |
|
SAE1026 |
≥640 |
≥5 |
|
45# |
≥640 |
≥5 |
|
20# |
≥550 |
≥8 |
Specification
| Size Range | Tolerance | |
| OD | 16-500mm | -0.035--+0.045mm |
| ID | 2-250mm | ±0.035mm |
| WT | 1-32mm | depends on sizes |
| Length | random or fixed length | +0-3.5mm |
| Straightness | 0.15:1000,0.4:1000,0.5:1000 1:1000 or customized | |
| Surface Roughness | Ra 0.02——0.4μm | |
Precision steel pipe size tolerances
For hot rolling precision steel pipe, tolerance of OD is +/- 0.1%.
For cold drawn precision pipe, tolerance allowed in below conditions:
Diameters 6mm to 10mm, normal tolerance condition +/- 0.2%, premium tolerance condition +/- 0.15%.
10mm to 30mm, normal tolerance condition +/- 0.4%, premium tolerance condition +/- 0.2%.
30mm to 50mm, normal tolerance condition +/- 0.45%, premium tolerance condition +/-0.3%.
For outer diameters above 50mm, normal tolerance condition +/- 0.1%, premium tolerance condition +/- 0.8%.
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APPLICATION FIELD
Energy Transmission
Construction Engineering
Energy Transmission
Power Equipment
Interior Decoration
Architectural Decoration
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What services do you provide? A: OEM, ODM.
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