As an ISO ISO 9001: 2015 registered facility, we pride ourselves on precision and attention to detail throughout the production process. With decades of hands-on metallurgical experience, the Robar team casts our metals using a wide variety of current ASTM specifications to meet customers’ specific needs.

While we formulate dozens of standard ferrous alloys, the metals we pour most often include:

Type Standard Grades
Gray iron ASTM A48 20, 25, 30, 35, 40
Ductile iron ASTM A536 60-40-18, 65-45-12, 80-55-6, 100-70-3
White iron ASTM A532 Class 1, Type A
Class 1, Type D
Class 2, Type B
Class 3, Type A
Mild steel A216 WCA, WCB, WCC
High Strength Steel A148 (AISI 8620)

A148 (AISI 8630)

80 – 40, 90 – 60, 105 – 85, 150 – 125, 175 – 145
Low Alloy Steel AISI 4140

AISI 4330

AISI 4340

Annealed, Normalized & Tempered

Annealed, Normalized & Tempered

Brass UNS C83600 85-5-5-5 Red Brass

 

Got an alloy group or specific material grade you’re looking for? We’re known for our custom metallurgy so contact us with your requirements and we’ll gladly discuss them with you.