S45c H8 Hydraulic Cylinder Honed Steel Tubes
China S45c H8 Hydraulic Cylinder Honed Steel Tubes, Find details about China Precision Steel Tube, Cylinder Tube from S45c H8 Hydraulic Cylinder Honed Steel Tubes
Basic Info.
ID Tolerance
H8
Bore Treatment
Honing
Bore Roughness
Ra0.25um Max
Trademark
HYT
Transport Package
External Packing by PVC Bags and Knit Bags
Specification
ID: 25mm-500mm
Origin
China
HS Code
7304319000
ID Tolerance
H8
Bore Treatment
Honing
Bore Roughness
Ra0.25um Max
Trademark
HYT
Transport Package
External Packing by PVC Bags and Knit Bags
Specification
ID: 25mm-500mm
Origin
China
HS Code
7304319000
Product Desciption
PART I: PRODUCT INTRODUCTION
1. Description: Honing is a kind of machining technology. Through honing head, the inner hole of cold drawn pipe is processed by reciprocating high-speed grinding technology, so that the inner hole can meet the requirements of tolerance size and surface roughness that we need.
Honed tube is a kind of smooth bore steel tube used to manufacture hydraulic cylinder barrels that is the core part of a piece of hydraulic cylinder.
2. Commodity:S45C H8 Hydraulic Cylinder Honed Steel Tubes
3. Size range: Inside diameter: 25mm -500mm; Wall thickness: 2-50mm
4. Available steel grade:
5. Manufacture method: Cold rolled, hydraulic cold drawn, hot rolled+deep hole boring
6. Delivery condition:
7. Bore treatment: Honing, skiving&roller burnishing
8. Bore roughness control: Ra0.25um max or Ra0, 35um max for honed tubes, Ra0.25um max for skived&roller burnished tubes.
9. End finish: Plain ends with square cuts, free of burrs for honed tubes. Little bevelled ends for skived&roller burnished tubes.
10. Standard export packing: In bundles tied with steel strips. Internal & external oil coating. Plastic caps on both ends. External packing by PVC bags and knit bags.
11. Customized packing and marking can be provided upon request.
12. H8 tolerance:
13. Difference between honed tube and skived & roller burnished tube: In hydraulic cylinder industry, there are 2 solutions for bore treatment: Honing, and skiving&roller burnishing. Honing or skiving&roller burnishing leads to different internal surface image, but both ensure good roughness.
STOCK OF S45C H8 Hydraulic Cylinder Honed Steel Tubes:
INTERNAL SURFACE CONDITION OF S45C H8 Hydraulic Cylinder Honed Steel Tubes:
MEASURING INNER SURFACE ROUGHNESS WITH MEASURING INSTRUMENT:
PACKING OF S45C H8 Hydraulic Cylinder Honed Steel Tubes:
PART II: COMPANY INTRODUCTION
We specialize in alloy steel, stainless steel, carbon steel, copper, aluminum, high nickel chromium alloy and other materials of pipes, plates, bars, profiles, piping fittings and welding materials, we dedicated in providing one-stop service for petroleum, chemical, electric power and automobile manufacturing industries.
Our group is a modern industrial enterprise integrating production, development, sales and service.. We have a complete and effective quality management and quality assurance system, we had passed the ISO 9001:2008 Quality Management System Certification, the National Special Equipment Manufacturing License (Pressure Pipeline Level A2), ISO 14001:2004 Environmental Management System Certification, OHSAS18001:2001 Occupational Health and Safety Management System Certification and Classification Society Certification.
Our group company has two production plants and one international trade company, our main products include:
Seamless steel pipe series: our company specialize in the production of EN standard, DIN standard, ASTM standard , JIS standard, GB standard cold drawn and cold rolled precision seamless steel tubes which diameter range is Ø 4 mm - 426 mm, wall thickness range is 0.5 mm - 80 mm; Cold drawn special shaped seamless steel tubes (include square rectangular tubes, hexagonal tubes, octagonal tubes, oval tubes, toothed tubes, etc.); Precision stainless steel tubes which diameter range is Ø 4 mm - 108 mm, wall thickness range is 0.5 mm - 12 mm; Hot rolled seamless steel tubes which diameter range is Ø 38 mm - 508 mm, wall thickness range is 3 mm - 100 mm; Thermal expansion seamless steel tube which diameter range is Ø 325 mm - 1020 mm, wall thickness range is 8 mm - 100 mm; Galvanized seamless steel pipes etc. Our products are widely used in engineering machinery, hydraulic system, high pressure oil pipeline, automobile, electric power, petrochemical, metallurgy, shipbuilding, aerospace and other fields.
Welded steel pipe series: our company specialize in the production of square pipes which dimension range is 20*20*1.0mm -- 900*900*40mm; Rectangular tube which dimension range is 20*30*1.0mm -- 700*800*40mm; Spiral welded pipe which diameter range is Ø 219 mm - 3500 mm, wall thickness range is 5 mm - 25 mm; Longitudinal welded pipe which diameter range is Ø 20 mm - 660 mm, wall thickness range is 1 mm - 25 mm; LSAW steel pipe which diameter range is Ø 406 mm - 1422 mm, wall thickness range is 6 mm - 60 mm; And the galvanized round pipes, galvanized square rectangular tubes etc, these products are widely used in prefabricated steel structure building, glass curtain wall engineering, steel structure engineering, large stadiums, airport construction, highway, road, decorative guardrail, tower crane manufacturing, photo voltaic projects, shacks greenhouse agriculture construction, bridge construction, shipbuilding, automobile manufacturing, machinery manufacturing, container keel and many other fields.
PART II: FREQUENTLY ASKED QUESTIONS
1. MOQ: In general,minimum order quantity is 2 tons each size for tubes with OD below 250mm, and 5 tons each size for tubes with OD above 250mm. it also depends on steel grade you need.
1. Description: Honing is a kind of machining technology. Through honing head, the inner hole of cold drawn pipe is processed by reciprocating high-speed grinding technology, so that the inner hole can meet the requirements of tolerance size and surface roughness that we need.
Honed tube is a kind of smooth bore steel tube used to manufacture hydraulic cylinder barrels that is the core part of a piece of hydraulic cylinder.
2. Commodity:S45C H8 Hydraulic Cylinder Honed Steel Tubes
3. Size range: Inside diameter: 25mm -500mm; Wall thickness: 2-50mm
4. Available steel grade:
| SAE/AISI: | SAE1020, SAE1026, SAE1045, SAE4130, SAE4140 |
| DIN: | ST52, ST52.3, ST52.4 |
| EN: | E355, C45E, 25CrMo4, 42CrMo4, CK45, S45C, E410, E470 |
| GB: | 20#, 45#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn, |
6. Delivery condition:
| BK | BKW | BKS | GBK | NBK | Q+T |
| +C | +LC | +SR | +A | +N | |
| Cold rolled | Cold drawn | Stress relieved | Annealed | Normalized | Quenched+Tempered |
8. Bore roughness control: Ra0.25um max or Ra0, 35um max for honed tubes, Ra0.25um max for skived&roller burnished tubes.
9. End finish: Plain ends with square cuts, free of burrs for honed tubes. Little bevelled ends for skived&roller burnished tubes.
10. Standard export packing: In bundles tied with steel strips. Internal & external oil coating. Plastic caps on both ends. External packing by PVC bags and knit bags.
11. Customized packing and marking can be provided upon request.
12. H8 tolerance:
| ID range | Tolerance | ID range | Tolerance |
| 18< d ≤30 | +0/+0.033 | 180< d ≤250 | +0/+0.072 |
| 30< d ≤50 | +0/+0.039 | 250< d ≤300 | +0/+0.081 |
| 50< d ≤80 | +0/+0.046 | 300< d ≤315 | +0/+0.081 |
| 80< d ≤120 | +0/+0.054 | 315< d ≤400 | +0/+0.089 |
| 120< d ≤180 | +0/+0.063 | 400< d ≤500 | +0/+0.097 |
STOCK OF S45C H8 Hydraulic Cylinder Honed Steel Tubes:
INTERNAL SURFACE CONDITION OF S45C H8 Hydraulic Cylinder Honed Steel Tubes:
MEASURING INNER SURFACE ROUGHNESS WITH MEASURING INSTRUMENT:
PACKING OF S45C H8 Hydraulic Cylinder Honed Steel Tubes:
PART II: COMPANY INTRODUCTION
We specialize in alloy steel, stainless steel, carbon steel, copper, aluminum, high nickel chromium alloy and other materials of pipes, plates, bars, profiles, piping fittings and welding materials, we dedicated in providing one-stop service for petroleum, chemical, electric power and automobile manufacturing industries.
Our group is a modern industrial enterprise integrating production, development, sales and service.. We have a complete and effective quality management and quality assurance system, we had passed the ISO 9001:2008 Quality Management System Certification, the National Special Equipment Manufacturing License (Pressure Pipeline Level A2), ISO 14001:2004 Environmental Management System Certification, OHSAS18001:2001 Occupational Health and Safety Management System Certification and Classification Society Certification.
Our group company has two production plants and one international trade company, our main products include:
Seamless steel pipe series: our company specialize in the production of EN standard, DIN standard, ASTM standard , JIS standard, GB standard cold drawn and cold rolled precision seamless steel tubes which diameter range is Ø 4 mm - 426 mm, wall thickness range is 0.5 mm - 80 mm; Cold drawn special shaped seamless steel tubes (include square rectangular tubes, hexagonal tubes, octagonal tubes, oval tubes, toothed tubes, etc.); Precision stainless steel tubes which diameter range is Ø 4 mm - 108 mm, wall thickness range is 0.5 mm - 12 mm; Hot rolled seamless steel tubes which diameter range is Ø 38 mm - 508 mm, wall thickness range is 3 mm - 100 mm; Thermal expansion seamless steel tube which diameter range is Ø 325 mm - 1020 mm, wall thickness range is 8 mm - 100 mm; Galvanized seamless steel pipes etc. Our products are widely used in engineering machinery, hydraulic system, high pressure oil pipeline, automobile, electric power, petrochemical, metallurgy, shipbuilding, aerospace and other fields.
Welded steel pipe series: our company specialize in the production of square pipes which dimension range is 20*20*1.0mm -- 900*900*40mm; Rectangular tube which dimension range is 20*30*1.0mm -- 700*800*40mm; Spiral welded pipe which diameter range is Ø 219 mm - 3500 mm, wall thickness range is 5 mm - 25 mm; Longitudinal welded pipe which diameter range is Ø 20 mm - 660 mm, wall thickness range is 1 mm - 25 mm; LSAW steel pipe which diameter range is Ø 406 mm - 1422 mm, wall thickness range is 6 mm - 60 mm; And the galvanized round pipes, galvanized square rectangular tubes etc, these products are widely used in prefabricated steel structure building, glass curtain wall engineering, steel structure engineering, large stadiums, airport construction, highway, road, decorative guardrail, tower crane manufacturing, photo voltaic projects, shacks greenhouse agriculture construction, bridge construction, shipbuilding, automobile manufacturing, machinery manufacturing, container keel and many other fields.
PART II: FREQUENTLY ASKED QUESTIONS
1. MOQ: In general,minimum order quantity is 2 tons each size for tubes with OD below 250mm, and 5 tons each size for tubes with OD above 250mm. it also depends on steel grade you need.
2.Delivery Time: Generally, our delivery time for honed tubes is around 30-45 days from the date of receiving advance payment.
3. Warranty&Guarantee: Warranty&guarantee period is 1 year since we deliver the tubes, and we are not responsible for quality problem caused by wrong unloading or storage after shipment. We welcome customer's inspection before shipment.
4. Payment Method: We accept payment method like T/T, L/C, or Paypal, but it depends on our investigation about customers. We have a solution to evaluate the credit of customers from all over the world.
5. Quality Control: 90% of the tubes are made from hot rolled seamless pipes. So, quality of raw material determined quality of finished tubes. We purchase raw material from stable suppliers who are leading steel mills, and we inspect the raw material as per the specifications. During our production procedure, there is inspection and quality control in every stage. 3. Warranty&Guarantee: Warranty&guarantee period is 1 year since we deliver the tubes, and we are not responsible for quality problem caused by wrong unloading or storage after shipment. We welcome customer's inspection before shipment.
4. Payment Method: We accept payment method like T/T, L/C, or Paypal, but it depends on our investigation about customers. We have a solution to evaluate the credit of customers from all over the world.
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