Standards

We execute to orders to the relevant standards and specification:

  • American standards (ASTM) A123; A153/A153M
  • British standards BS729
  • International Standards BS EN ISO 1461
  • Australian standards AS 1214; AS/NZS 4680
  • Japanese standards JIS H8641
  • German standard DIN50976

Table 1. Requirement for coating thickness conform to ASTM A123 / A123M

Minimum average coating thickness (micron)
Steel category Steel thickness, mm
(Not   centrifuged) … – 1.60 1.60   – 3.20 3.20   – 4.80 4.80   – 6.40 6.40 – …
Structural   shapes and Plate 45 65 75 85 100
Strip and Bar 45 65 75 85 100
Pipe and Tubing 45 45 75 75 75
Wire 35 50 60 65 80
Reinforcing Bar - - - - 100
Remark: The table values for specimen test

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Table 5. Requirements for coating thickness according to BS729

Steel   category Minimum average   coating weight for any individual test area, g/m², um
Steel   articles which are not centrifuged
5 mm thick and over 610   (85)
2 mm to under 5 mm thick 460   (64)
1 mm to under 2 mm thick 335   (47)
Grey and   malleable iron casting 610 (85)
Thread work and other articles which are centrifuged 305   (43)
Remark: 1 g/m² = 0.14 um (305 g/m² = 1 oz/ft² = 43   um)