| Payment Type: | L/C,D/P,T/T |
| Incoterm: | FOB,CFR,CIF,EXW |
| Transportation: | Ocean,Land,Express |
| Port: | Tianjin,Qingdao,Shanghai |
Model No.: E355 ST52 Q235 Q355
Standard: Bs, Gb, Astm, Jis, Din, Api
Material: A53-A369, Q195-Q345, 10#-45#, St35-St52, Cr-Mo Alloy
Section Shape: Round
Place Of Origin: China
Application: Fluid Pipe, Drill Pipe, Hydraulic Pipe, Structure Pipe
Production Process: Cold Drawn
Certification: Ce, Api
Special Tube: Api Pipe, Thick Wall Pipe
Whether Alloy: Is Alloy
Tolerance: ±1%
Category: Seamless Steel Pipe
Processing Service: Cutting, Punching, Decoiling, Welding, Bending
| Selling Units | : | Ton |
| Package Type | : | Standard marine packaging, or as required by the customer |
| Picture Example | : |
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| Honed Tube Parameters | ||
| Product name | hydraulic cylinder tube /honed tube /seamless Honed Steel Tube | |
| Standard | GB/T3639-2000 DIN2391 EN10305 ASTM A519 | |
| Metarial | C20 CK45 Q355B Q355D E355/ST52 SAE1026 4130 4140 STKM 13C | |
| Heat treatment | BK+S | |
| Size | I.D:30mm-400mm | O.D:40mm-480mm |
| Length | Fixed length, Random length or as requests of customers | |
| Straightness | 0.5-1/1000 | |
| ID roughness | RA 0.1-0.8micron(max) | |
| Payment term | FOB, CFR, CIF, EXW, FCA and so on | |
| Technology | Honed & SRB(SKIVED AND ROLLER BURNISHED) | |
| Application | Honed tube for hydraulic cylinder, swivel crane, injection machine and construction machine application | |
| Conservation | anti rust oiled inside and outside surface, plastic caps in both ends | |
| Package | bundle with steel strip and knitting strip, or wooden case | |
| Steel Grade carbon steel | Chemical Composition (%) | |||||
| C | Si | Mn | P | S | Cr | |
| ≤ | ||||||
| St45 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.250 |
| ST52(E355) | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | 0.25 |
| SAE1026 | 0.22-0.28 | 0.15-0.35 | 0.60-0.90 | 0.040 | 0.050 | / |
| 27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | 0.035 | 0.035 | 0.300 |
| 20# | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.250 |
| 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 |
| 16Mn | ≥600 | ≥520 | ≥14 |
| 20# | ≥520 | ≥375 |
|
| Hydraulic Cylinder Honing Tube | |||||
| Inside Dia (mm) | ID Tolerance (mm) | WT Tolerance (mm) | |||
| H7 | H8 | H9 | H10 | ||
| ≤30 | +0.021/0 | +0.033/0 | +0.052/0 | +0.084/0 | ±7.5% >210mm ±10% |
| 30 - ≤50 | +0.025/0 | +0.039/0 | +0.062/0 | +0.100/0 | |
| 50 - ≤80 | +0.030/0 | +0.046/0 | +0.074/0 | +0.120/0 | |
| 80 - ≤120 | +0.035/0 | +0.054/0 | +0.087/0 | +0.140/0 | |
| 120 - ≤180 | +0.040/0 | +0.063/0 | +0.100/0 | +0.160/0 | |
| 180 - ≤250 | +0.046/0 | +0.072/0 | +0.115/0 | +0.185/0 | |
| 250 - ≤315 | +0.052/0 | +0.081/0 | +0.130/0 | +0.210/0 | |
| 315 - ≤700 | +0.057/0 | +0.089/0 | +0.140/0 | +0.230/0 | |
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