| Structure: | Beam |
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| Bench: | Single Stair |
| Type: | Ordinary Stairs |
| Material: | Metal |
| Usage: | Outdoor |
| Stair Type: | Straight Stair |
| Customization: |
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| Product name | Qingdao manufacturer prefabricated outdoor metal stairs |
| Material | Mild steel,stainless steel, etc |
| Grade | Q235, Q345, 304, 316, SS400,S235JR, A36, etc |
| Certification: | ISO9001:2015, Chinese GB50221-2001 |
| Types of steel staircases | Straight stairs,spiral stairs,curved stairs,fire escape stairs,access stairs,stainless stairs,Dog let stairs,U shape stairs |
| Welding Technology: |
Single level butt welding, fillet welding by electric arc welding, and Gas shielded welding. |
| Welding Testing | Ultrasonic Testing, X-ray Testing |
| Packing |
Wooden case,steel pallet or other seaworthy package |
| Inspection | 100% dimension inspection and visual inspection,,gas tight test before delivery. |
| Manufacturing Technology |
Drilling, Cutting, Assembling, Welding, Rectification, Testing etc |
| Application | Indoor and outdoor |
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Material grade and performance of steel
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Quality Standard 1.Certification: ISO9001:2000, SGS Standard 2.Code for design of steel structure: GB 50017-2003 3.Technical code of cold-formed thin-wall steel structure: GB50018-2002 4.Load code for the design of building structures. GB 50009-2006 5.Construction quality acceptance of steel: GB50205-2001 6.Technical specification for steel structure building: JGJ 81-2002 7.Technical specification for steel Structures of tall buildings: (JGJ99-98) 8.Specifications for processing of steel structure: DBJ 08-216-1995 9.Specifications for design and construction of steel panel: YBJ 216-88
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The reason for choose each metal Workshop pre-install. Professional on-site guidance Ensure the product quality. Timely service and progress Production according welding rules a = 0.7 x thickness of web Continuous welding on both sides of each pieces Mark every beam on the bottom plate for being saw after being galvanized Send pictures to the buyer by mail during products being processed We have 17 years experience of designing and producing steel structure building Locating in the Shanghai, only need 1 hour by car, the land transport cost cheaper Our engineers with 20 years steel structure design experience |
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