Dimension Tolerance:
| Processing Way | Cylinder Barrel ID (mm) | Max Length (mtr) | Straightness (mm/mtr) | ID Tolerance | Wall Thickness Tolerance (mm) | ID Roughness (μm) |
| Cold Drawn | 40-320 | 12 | 0.2-0.5 | H8-H10 | ±5% | 0.8-1.6 |
| Cold Rolled | 12-100 | 12 | 0.2-0.5 | H8-H10 | ±5% | 0.8-1.2 |
| Cold Drawn+Honed | 40-500 | 8 | 0.2-0.3 | H7-H9 | ±5% | 0.2-0.8 |
| Cold Drawn-SRB | 40-400 | 7 | 0.2-0.3 | H8-H9 | ± 5% | 0.2-0.4 |
| Deepth Drilling-Honed | 320-1100 | 8 | 0.2-0.3 | H7-H9 | ±8% | 0.2-0.8 |
| Deepth Drilling-SRB | 320-600 | 7 | 0.2-0.3 | H8-H9 | ±8% | 0.2-0.4 |
Package :
1. Bundle Packing.
2. Plain end or vanished as per customer’s request.
3. Wrapped in waterproof paper.
4. Sackcloth with several steel strips.
5. Pack in heavy tri-wall boxes.
Product Application:
1. Fence, greenhouse, door pipe,greenhouse
2. Low pressure liquid, water, gas, oil, line pipe
3. For both indoor and outdoor the building construction
4. Widely used in scaffolding construction which is much cheaper and convenient
FAQ:
Q1. What are your company's main products ?
A1: Our main products are Carbon Steel, Stainless Steel, Galvanized Steel Sheet, Coil, Tube, Bar, Profile etc.
Q2. How do you control quality ?
A2: Mill Test Certification is supplied with shipment, Third Party Inspection is available. and we also get ISO,SGS,Alibaba Verified.
Q3. What are the advantages of your company ?
A3: We specialise in steel business for years,so we have mature production technology,stable capacit,more competitive price,
we dedicated to strict quality control and thoughtful customer service
Q4. Can you provide sample ?
A4: We can provide the samll samples in stock for free, as long as you contact us.
Q5:What is your delivery time?
A5: For stocks, we could transport the goods to loading port within 7 days after we received your deposit
For production period, it usually takes about 15 days-30 days after receiving the deposit.
Q6: Can we visit your factory?
A6: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
