ASTM B124 Specification

This specification establishes the requirements for copper and copper alloy rod, bar, and shapes intended for hot forging. The following coppers and copper alloys are involved:

Chemical Composition


Copper or Copper Alloy UNS No.

Copper

Lead

Tin

Iron
Nickel (incl Co)

Aluminum

Silicon

Manganese

Zinc

Sulfur

Tellurium

Phosphorus

Arsenic		 Copper Plus Elements with Specific Limits Present, min
C11000 99.90 minA ... ... ... ... ... ... ... ... ... ... ... ... ...
C14500B 99.90 minC ... ... ... ... ... ... ... ... ... 0.40–0.7 0.004– 0.012 ... ...
C14700B 99.90 minD ... ... ... ... ... ... ... ... 0.20–0.50 ... 0.002– 0.005 ... ...
C36500 58.0–61.0 0.25–0.7 0.25 max 0.15 max ... ... ... ... remainder ... ... ... ... 99.6
C37000 59.0–62.0 0.8–1.5 ... 0.15 max ... ... ... ... remainder ... ... ... ... 99.6
C37700 58.0–61.0 1.5–2.5 ... 0.30 max ... ... ... ... remainder ... ... ... ... 99.5
C46400 59.0–62.0 0.20 max 0.50–1.0 0.10 max ... ... ... ... remainder ... ... ... ... 99.6
C48200 59.0–62.0 0.40–1.0 0.50–1.0 0.10 max ... ... ... ... remainder ... ... ... ... 99.6
C48500 59.0–62.0 1.3–2.2 0.50–1.0 0.10 max ... ... ... ... remainder ... ... ... ... 99.6
C61900 remainder 0.02 max 0.6 max 3.0–4.5 ... 8.5–10.0 ... ... 0.8 max ... ... ... ... 99.5
C62300 remainder ... 0.6 max 2.0–4.0 1.0 max 8.5–10.0 0.25 max 0.50 max ... ... ... ... ... 99.5
C63000 remainder ... 0.20 max 2.0–4.0 4.0–5.5 9.0–11.0 0.25 max 1.5 max 0.30 max ... ... ... ... 99.5
C63200 remainder 0.02 max ... 3.5–4.3E 4.0–4.8E 8.7–9.5 0.10 max 1.2–2.0 ... ... ... ... ... 99.5
C64200 remainder 0.05 max 0.20 max 0.30 max 0.25 max 6.3–7.6 1.5–2.2 0.10 max 0.50 max ... ... ... 0.15 max 99.5
C64210 remainder 0.05 max 0.20 max 0.30 max 0.25 max 6.3–7.0 1.5–2.0 0.10 max 0.50 max ... ... ... 0.15 max 99.5
C65500 remainder 0.05 max ... 0.8 max 0.6 max ... 2.8–3.8 0.50–1.3 1.5 max ... ... ... ... 99.5
C67500 57.0–60.0A 0.20 max 0.50–1.5 0.8–2.0 ... 0.25 max ... 0.05–0.50 remainder ... ... ... ... 99.5
C67600 57.0–60.0A 0.50–1.0 0.50–1.5 0.40–1.3 ... ... ... 0.05–0.50 remainder ... ... ... ... 99.5
C69300 73.0–77.0 0.10 max 0.20 max 0.10 max 0.10 max ... 2.7–3.4 0.10 max remainder ... ... 0.04–0.15 ... 99.5
C70620F 86.5 minA 0.02 max ... 1.0–1.8 9.0–11.0 ... ... 1.0 max 0.50 max 0.02 max ... 0.02 max ... 99.5
C71520F 65.0 minA 0.02 max ... 0.40–1.0 29.0–33.0 ... ... 1.0 max 0.50 max 0.02 max ... 0.02 max ... ...
C77400 43.0–47.0A 0.20 max ... ... 9.0–11.0 ... ... ... remainder ... ... ... ... ...
Note:

A. Silver counts as copper.
B. Includes oxygen-free or deoxidized grades with deoxidizers (such as phosphorus, boron, lithium, or others) in amount agreed upon.
C. This includes copper + silver + tellurium.
D. This includes copper + silver + sulfur + phosphorus.
E. Iron content shall not exceed nickel content.
F. Carbon shall be 0.05 % max.