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Surface Treatment
For better rust prevention of the fasteners, we have in-house facility of manganese phosphating which we provide as a standard rust preventive coating. If customer requires any special type of coating, we provide any of the below mentioned coatings.
Hot-Dip Galvanizing
ASTM A153 – ISO 1461- UNI 3740 – BS 729
Electro Zinc Plating (with optional Hydrogen De-Embrittlement)
White – Yellow – Black – Green)UNI 4721 – ASTM B633 – BS 1706
Ptfe – Fluorocarbon Coating
Xylan 1070 Blue / Green / Red / Yellow
Ceramic Filled Fluorocarbon Coating
Xylar 1 or Xylar 2 and Xylan 1070
Aluminizing
ISO 2063
Pickling & Passivation
ASTM A380
Chromium / Zinc Coating (Dacromet 320 / 500)
ASTM F1136
Electro less Nickel Plating
ASTM B733
Nickel Plating
ASTM B689
Mechanical Zinc Coating
ASTM B695
Electro Zinc/Nickel Plating
ASTM B841
Electro Zinc/Cobalt Plating
ASTM B840
Zinc Phosphate Coating / Manganese Phosphate Coating (with optional Hydrogen De-Embrittlement)
ASTM F1137
Electro Cadmium Plating
ASTM B766