HONING HONED TUBE PIPE FOR HYDRAULIC CYLINDER
Description
Application:Hydraulic Pipe
Alloy Or Not:Non-Alloy
Section Shape:Round
Special Pipe:Thick Wall Pipe
Outer Diameter:30 - 500 mm, 40-500mm
Thickness:3 - 50 mm
Standard:bs,DIN,API,ASTM,SAE,AISI,GB,JIS
Length:1-12m, 1-12m
Certificate:ce, ISO9001
Grade:ST52,E355 SAE1026.CK45 4130 4140 STKM 13C, 10# ,20# ,45# ,16Mn ,Q235, Q345,St34-52, St37,St45,St52 or OEM SERVICE
Surface Treatment:Chrome Plated
Tolerance:±5%, H8,H9,H10
Processing Service:Bending, Welding, Decoiling, Punching, Cutting
Oiled or Non-oiled:Slightly Oiled
Invoicing:by actual weight
Delivery Time:8-14 days
Condition:New
Type:Fittings
thickness:3-100mm
Heat treatment:BK+S or as requested
Certification:ISO/CE
Specification
| Standard | DIN2391, EN10305, ASTM A519, GB/T 3639-200 | |
| Material | Q345B Q355D C20,ST52,E355 SAE1026.CK45 4130 4140 STKM 13C | |
| Heat treatment | BK+S | |
| Specification | Outer diameter(mm) | Inner diameter(mm) |
| 40-480mm | 30-400mm | |
| I.D Tolerance | H8-H9 | |
| Length | Fixed Length, Random Length(3--9m)or as requests of customers | |
| Straightness | 0.3/1000 | |
| ID roughness | RA 0.1-0.8micron(max) | |
| Technology | Honed & SRB(SKIVED AND ROLLER BURNISHED ) | |
| Scope | Honed tube for hydraulic cylinder, swivel crane, injection machine | |
Chemical Composition
|
Steel Grade |
C |
SI |
Mn |
P |
S |
Cr |
Ni |
Cu |
|
20# |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.250 |
0.250 |
/ |
|
45# |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
0.035 |
0.035 |
0.250 |
0.300 |
/ |
|
Q345B |
≤0.2 |
≤0.5 |
1.00-1.60 |
0.030 |
0.030 |
0.300 |
0.250 |
0.08 |
|
Q345D |
≤0.2 |
≤0.5 |
1.00-1.60 |
0.030 |
0.030 |
0.250 |
0.250 |
0.15 |
|
25Mn |
0.22-0.29 |
0.17-0.37 |
0.70-1.00 |
0.035 |
0.035 |
/ |
/ |
/ |
|
27SiMn |
0.22-0.32 |
1.10-1.40 |
1.10-1.40 |
0.035 |
0.035 |
0.300 |
0.300 |
/ |
|
E355 |
≤0.2 |
≤0.55 |
≤1.6 |
0.025 |
0.025 |
0.250 |
0.250 |
/ |
|
SAE1026 |
0.22-0.28 |
0.15-0.35 |
0.60-0.90 |
0.040 |
0.050 |
/ |
/ |
/ |
Mechancial Properties
|
Steel Grade |
Rm Mpa |
ReH Mpa |
Elonggation |
cold finished Rm Mpa |
cold finished Elonggation |
|
20# |
≥520 |
≥375 |
≥15 |
≥550 |
≥8 |
|
45# |
≥600 |
≥520 |
≥10 |
≥640 |
≥5 |
|
16Mn(Q345B /D) |
≥600 |
≥520 |
≥14 |
≥640 |
≥5 |
|
25Mn |
≥600 |
≥510 |
≥15 |
≥640 |
≥5 |
|
27SiMn |
≥760 |
≥610 |
≥10 |
≥800 |
≥5 |
|
St45 |
≥520 |
≥375 |
≥15 |
≥550 |
≥5 |
|
E355(st52) |
≥600 |
≥520 |
≥14 |
≥640 |
≥5 |
|
SAE1026 |
≥600 |
≥510 |
≥15 |
≥640 |
≥5 |
Technique and Tolerance
Technique: cold drawn, cold drawn-honed, cold drawn-SRB, cold drawn -polished, cold drawn-polish-SRB
|
Tolerance |
|||
|
ID |
H8 |
H9 |
H10 |
|
30-50 |
+0.0390 |
+0.0620 |
+0.1000 |
|
50-80 |
+0.0460 |
+0.0740 |
+0.1200 |
|
80-120 |
+0.0540 |
+0.0870 |
+0.1400 |
|
120-180 |
+0.0630 |
+0.1000 |
+0.1600 |
|
180-250 |
+0.0720 |
+0.1150 |
+0.1850 |
|
as required |
as required |
as required |
as required |
Painting&Coating
Packing&Loading
Anti-rust oil coating Plastic caps to both ends
Bundled by seaworthy steel strips
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