ASTM B150 — The Governing Composition & Mechanical Property Specification Behind Aluminum Bronze Forgings (C61300–C63200 Alloys)
Shivam Forge manufactures forgings from ASTM B150-compliant aluminum bronze rod and bar stock — the standard specification defining composition and mechanical property requirements across the aluminum bronze alloy family (C61300 through C63200) our copper-alloy-forging-manufacturer page's aluminum bronze grades are drawn from. Rajkot, India. Call +91-9265772827.
Aluminum bronze is not a single alloy but a family — copper alloyed with aluminum in the roughly 6-14% range, frequently with iron, nickel, and manganese additions layered on top, and each specific composition within that family delivers a genuinely different balance of strength, corrosion resistance, and cost. ASTM B150 (Standard Specification for Aluminum Bronze Rod, Bar, and Shapes) exists specifically to standardize this family into a defined set of named alloys — C61300, C61400, C62300, C62400, C63000, C63020, C63200, and others — each with its own composition limits and mechanical property requirements, so that a drawing calling out 'C63000 per ASTM B150' specifies something precise and verifiable rather than a loosely defined 'aluminum bronze' that could mean meaningfully different material depending on which supplier fills the order. This is the same specification-framework role EN 10250 and ASTM A668 play for general steel forgings, but B150's scope is specifically the wrought aluminum bronze copper alloy family that our copper-alloy-forging-manufacturer page's C63000 aluminum bronze grade is drawn from — B150 is the standard that grade is actually certified and tested against, and this page exists for customers whose drawing or purchase order references the specification number directly rather than only the alloy designation.
Forged components in C63000 (nickel-aluminum bronze), the highest-strength commonly specified B150 alloy, for marine propeller, valve, and heavy bearing applications requiring both strength and seawater corrosion resistance.
Forged components in the lower-aluminum-content B150 alloys, offering good corrosion resistance and cold formability where C63000's higher strength and cost aren't required by the application.
Forged valve bodies, discs, and trim components in B150-specified aluminum bronze grades for seawater and corrosive chemical service, certified against the specific alloy designation the valve standard calls for.
Forged bearing and bushing blanks in B150 aluminum bronze grades selected for their favorable friction and wear characteristics against steel shafts in heavy industrial and marine gearbox applications.
Grade selection guidance matching the specific B150-designated alloy (by UNS number, e.g. C63000) to your application's strength, corrosion, and cost requirements, since the family spans a genuine performance range rather than one interchangeable 'aluminum bronze.'
Chemical composition testing verifying the supplied billet or bar stock meets the specific named alloy's composition limits as defined in ASTM B150, before forging proceeds.
Tensile and hardness testing verifying the finished forging meets the mechanical property requirements B150 specifies for the particular alloy and temper condition ordered.
Material test certificates per EN 10204 3.1 as standard, with 3.2 third-party witnessed certification available, explicitly referencing the ASTM B150 alloy designation for direct drawing traceability.
Copper alloy specification carries the same risk of ambiguity that drives standardization across every material family this site covers: 'aluminum bronze,' used loosely, could describe alloys ranging from roughly 6% to 14% aluminum content, with or without iron, nickel, and manganese additions that meaningfully shift the resulting strength, corrosion resistance, and cost — a purchase order or drawing that simply says 'aluminum bronze' without a specific standard reference leaves genuine room for a supplier to fill that order with material that technically fits the loose description while falling well outside what the designer actually intended.
ASTM B150 closes this gap for wrought aluminum bronze rod, bar, and shapes specifically, defining a family of named alloys — each identified by a UNS designation like C63000 — with composition limits and mechanical property requirements specific to that alloy, rather than a single blanket specification for the family as a whole. This structure means a drawing calling out 'C63000 per ASTM B150' is specifying something precise: a defined aluminum, iron, and nickel content range, and defined minimum tensile and yield strength values for the ordered temper condition, verifiable through composition and mechanical testing against the standard's actual published limits.
The alloy our copper-alloy-forging-manufacturer page already lists as C63000 aluminum bronze is drawn directly from this B150 family — this page exists specifically for customers whose procurement documentation references the ASTM specification number itself, since correct specification compliance means certifying against B150 explicitly rather than treating 'aluminum bronze' as a generic, unstandardized material description. This distinction matters most for marine, valve, and heavy bearing applications where the alloy's strength and corrosion performance genuinely drive component reliability, and where a customer's quality system expects to see the governing ASTM standard referenced on the material certificate, not just an alloy name.
For customers whose drawing or purchase order specifies ASTM B150 aluminum bronze directly, Shivam Forge manufactures across the C61300 through C63200 alloy range with composition and mechanical property verification against the standard's specific limits. Contact our engineering team at +91-9265772827 or sales@shivamforge.com with your drawing and named alloy designation for a manufacturability review and quotation.
ASTM B150 is a specification framework covering the entire aluminum bronze rod, bar, and shapes family — alloys like C61300, C61400, C62300, C63000, and others — each with its own defined composition and mechanical property limits under the same standard, not a single alloy itself.
The C63000 aluminum bronze referenced on our general copper-alloy page is one specific alloy within the ASTM B150 family — this page exists for customers whose drawing or purchase order calls out the ASTM B150 specification number directly and need certification explicitly referencing that standard.
C63000 (nickel-aluminum bronze) is the most common choice for marine valve, propeller, and heavy bearing applications requiring maximum strength and seawater corrosion resistance within the B150 family — our engineering team can confirm the right grade based on your specific service conditions.
Composition testing verifies the supplied material meets the specific named alloy's composition limits as defined in ASTM B150, since the family's different alloys have genuinely different aluminum, iron, and nickel content ranges that determine the alloy's actual properties.
EN 10204 3.1 material test certificates as standard, with 3.2 third-party witnessed certification available, explicitly referencing the specific ASTM B150 alloy designation supplied for direct traceability against your drawing.
Why Choose Shivam Forge
Shivam Forge delivers precision hot-forged components from our integrated Shapar, Rajkot facility — covering forging, CNC machining, heat treatment, and quality inspection under one roof.
