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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
CLASS A TOLERANCE

Reference Standard: ANSI/NAAMM HMMA–MBG 531-09