Manufacturing

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