Din2391 ST45, ST52, E355, E355SR, STKM13C Stainless Steel Hydraulic Cylinder Honed Tube
| Product Name | DIN2391 Stainless Steel Hydraulic Cylinder Honed Tube BK+S |
| Standard | DIN2391 |
| Reference Standard | EN10305, JIS G3445, ASTM A519, GB/T 8713 etc |
| Size | OD: 40-400mm WT: 30-320mm Length : 3-9m |
| Type | Seamless |
| Material | ST45, ST52, E355, E355SR, STKM13C, SAE1026, 20#, Q235B, CK45 etc |
| Heat treatment | BK+S |
| Technology | Honed & SRB (SKIVED AND ROLLER BURNISHED ) |
| Application | For hydraulic cylinder, swivel crane, injection machine and construction machine application |
Chemical Composition
| Grade | C | Si | Mn | P≤ | S≤ | Cr≤ |
| ST45 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.025 |
| ST52(E355) | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | 0.025 |
| 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 | 0.030 |
| 20# | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.025 |
QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
Products Show
Mechanical Seamless Honed Tube Hydraulic Cylinder Alloy Steel Astm A519
Seamless Seel Tubes are packed in wooden boxes or hexagonal bundles in seaworthy packing.
QUALITY CONTROL
1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
FAQ
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
If you have another question, pls feel free to contact us
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