Quality Control
Raw material quality control:
- Thickness tolerance re-check
- Yield point and tensile strength testing in-house
- Third party inspection are welcome
- Supply traceable mill certificate.
Structural steel fabrication quality control:
- 100% testing dimension tolerance <3mm
- 20% sample welding line ultrasonic testing, no fault, full penetration
- 20% magnetic powder testing, no bubble, no defect, Smooth and Full
- Supply third-party inspection assistance.
Anti-corrosion system quality control:
- Shot blasting to reach grade Sa. 2.5, surface metal luster, no rust, no oil dirt, no welding spatter, Roughness >75um
- Apply primer paint within 4 hours after shot blasting, Holiday-free coatings, smooth, No dust, Dry Film Thickness (DFT) >75μm.
Pre-assembly testing the connection details:
For special shaped steel structures components, we apply pre-assembly test in workshop before package and delivery.
Certifications
|
|
|
|
|
|
|
|
|
|
Certifications
Qingdao Tsin Steel Structure Construction Technology Co.,Ltd.
Tel:86--13969825647
Fax:86--13969825647
Contact Person: Ms.Alice Lee
Other Products
|
Prefabricated Steel Prefab Buildings multi-span Warehouse Workshop in Chile |
|
Steel Structure Building Mix Used For Office/ Workshops In Chile |
|
Prefabricated Steel Structure warehouse hot dipped galvanized long service life |
|
China Wholesale Modern Light Steel Structure Building Construction Prefab Workshop & Warehouse with Customizable Services |
|
Prefabricated Steel Structure Logistics Warehouse Workshop Industrial Building Commercial Building Steel Structure Warehouse |
Email to this supplier