Dandong Foundry
About Us Casting Products Casting Workshop Machining Workshop Inspection Certificate Blog Articles Contact Us

BS2789 Grade 420-12 SG Iron

This material grade is not common material grade of sg cast iron, so normally, we will use ASTM A536 65-45-12 to replace it.

Related Specifications

BS EN 1563 GJS 420-12 60-40-10 65-45-12 FGS420-12 SF400 SFP400 DIN 1693 ISO 185 250

Chemical Analysis

Carbon 3.40-3.85% Phosphorous 0.10% max
Manganese 0.10-0.30% Sulphur 0.02% max
Silicon 2.30-3.10% Magnesium 0.07% max


BS2789 Grade 420-12 is suitable for applications where the optimal impact, fatigue, electrical conductivity and magnetic permeability features。

Typical applications include valves, dies, pistons and moulds.

Typical Properties

Tensile Strength N/mm² min 420
Elongation % 12
Typical Hardness HB 212

Mechanical properties shown are typical and may vary subject to the size and section of this sg iron grade.

Certification BS2789 420-12 S G Iron is available with a certificate or conformity, please request when placing any orders.

Home | More Articles

  Gray Iron Castings  |  Ductile Iron Castings  |  Cast Steel Castings  |  Green Sand Iron Castings  |  Furan Resin Sand Castings  |  Automatic Molding Castings  |  Shell Molding Iron Castings  |  Sand Mold Steel Castings  |  Lost Wax Investment Castings  |  Stove & Boiler Metal Parts  |  Construction Machinery Parts  |  Agricultural Machinery Parts  |  Pump & Valve Metal Parts  |  Pipe Fittings & Manholes  |  Other Iron & Steel Castings  |  Prices Per Pound, Kg and Ton  |  Cast iron Price Calculator | Seeding Knife Points  

     ADD: No.117, Zhenyang Street, Qianyang Town, Dandong City, Liaoning, P.R. China
     SITEMAP | China Foundry, China Turbocharger