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Basic Info.
Product Description
| Warranty | 5 years |
| Place of Origin | Jiangsu, China |
| Brand Name | Master Well |
| Model Number | Customized |
| Type | Residential & Industrial |
| Product name | Garage door torsion spring |
| Inner Diameter | 1 3/4'', 2'', 2 5/8'', 3 3/4'',5 1/4", 6" |
| Wire size | 207/218/225/234/243/250 |
| Material | Carbon steel / Manganese steel |
| Finished | Anti-rust oil Dacromet coating/Electrophpresis coating/Powder coated |
| Package | Wooden case |
| Function | For sectional door use |
| Certificate | CE, ISO9001 |
| Hardware System | USA / EU standard |
| Supply Ability | 500 Ton/Tons per month |
| Operating Cycles | 10000 Times |
| Code | C | Si | Mn | S |
| 72A | 0.70-0.75 | 0.12-0.32 | 0.30-0.60 | ≤0.025 |
| 82B | 0.80-0.85 | 0.12-0.32 | 0.60-0.90 | ≤0.025 |
| 65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.2 | ≤0.035 |
Q1: What is your MOQ?
A: It depends on its material and wire size. The most common material used for producing torsion spring are 72B,82B, 60Si2Mn and 65Mn. 1. For 72B, no MOQ required. 2. For 82B, if the rquired wire size is ≤7.0mm,then the MOQ is 500KG. 3. For 65Mn, the MOQ is 500KG. 4. For 60SiMn, if the rquired wire size is ≤7.0mm,then the MOQ is 2000KG. Remark: It is recommended to apply wooden cases package for protection during shipment.
Q2: Can you do color spraying on the surface of torsion spring? What colors can you do?
A: Yes, we can do color spraying on the surface. As for the color, it depends on the specification&wire size of torsion spring.
Q3: What is the manufacturing capacity?
A: 500Ton per month.
Q4: Can I get a sample of garage door for quality check?
A: Sample is available.
Q5: How can I get a price of needed garage door?
A: Please give the exactly size and quantity of your required door. We can give you a detail quotation based on your requirements.
Q6: What kind of payment terms would you accept?
A: We usually accept T/T and L/C. If you prefer other payments terms, please feel free to discuss with us.
Q7: We want to be your agent of our area. How to apply for this?
A: Please send your idea and your profile to any e-mails of us. Let's cooperate.
Q8: How to install your product, is it difficult?
A: Easy to install, just screw, no welding.If you need, installation video can be supplied. And you can contact our salesman if you have any question. Of course we can offer on-site installation guide services if you need.
Q9: What is the fatigue limit of Torsion Spring? Do you conduct fatigue test on your product?
A: 10000 on-off cycles. Yes, we do fatigue test on Torsion Spring.
Q10: Could you tell me the lead time?
A: If the requested quantity is 100 sets, the lead time will be 15 days. If the requested quantity is greater than 1000 sets, the lead time will be 1 Month.
