QUALITY
Steel lattice plate series products are generally used in industrial platforms, walkways, stair steps, trestles, trench covers and other fields, which can not be ignored the force, so we must purchase and use the quality of the steel lattice plate. This requires strict quality control of each process of the steel grid series products.
In order to better provide customers with quality products, we adhere to the concept of trustworthy, honest, professional and responsible, we not only set up a professional quality inspection team, quality inspectors have more than 20 years of quality inspection experience in the steel grid industry, but also compiled internal control quality control process as the implementation of quality control norms. Quality inspectors can according to the steel grid industry standards and internal control quality control process, starting from the specified raw materials into the factory testing, each step has strict quality control, each process requires quality inspectors to test and record, to ensure the quality of the factory products.
Quality inspection process of steel grid plate and series of products:
1. Assign raw materials to enter the factory.
2. Raw material inspection.
3. Cutting size inspection.
4. Welding quality inspection.
5. Finished product size inspection.
6. Appearance and surface treatment inspection.
7. Packing.
8. Shipment.
For products with requirements on raw materials, we will provide the test data of raw material samples to customers for review, or directly provide raw material samples to customers for testing, and mass production will be conducted after the samples are satisfied.
STANDARD
GRATING STANDARD | |
CHN | YB/T4001.1-2007 |
US | ANSI/NAAMM(MBG531-09) |
UK | BS4592-2006 |
AUS | AS1657-2013 |
STEEL STANDARD | |
CHN | GB 700-2006 |
US | ASTM(A36) |
UK | BS4360(43A) |
AUS | AS3679 |
GALVANIZED STANDARD | |
CHN | GB/T13912-2002 |
US | ASTM(A123) |
UK | BS EN ISO 1461:2009 |
AUS | AS/NZS 4680-2006 |
WA/1 A Pattern | 30/100 | ![]() |
WB/1 B Pattern | ![]() |
|
WA/2 C Pattern | 40/100 | ![]() |
WB/2 D Pattern | 40/50 | ![]() |
WB/3 F Pattern | 60/50 | ![]() |
Reference Standard: ANSI/NAAMM HMMA–MBG 531-09