Brass is an alloy composed of copper and zinc, brass composed of copper and zinc is called ordinary brass, if it is composed of more than two elements of a variety of alloys is called special brass. Brass has strong wear resistance, brass is often used in the manufacture of valves, water pipes, air conditioning internal and external unit connection pipes and radiators.
Brass series | ||||||||||
series | Alloy grade | state | tensile strength Rm/(N/mm2) | |||||||
BRASS SERIES | GB | JIS | GB | JIS | ASTM | EN | GB | JIS | ASTM | EN |
H63 | C2720 | M | O | M20 | R300/H055 | ≥290 | ≥275 | 285-350 | 300-370 | |
1/4H | H02 | R350/H095 | 325-410 | 385-455 | 350-440 | |||||
Y2 | 1/2H | H03 | R410/H120 | 350-470 | 355-440 | 435-505 | 410-490 | |||
Y | H | H04 | R480/H150 | 410-630 | ≥410 | 485-605 | 480-560 | |||
T | H06 | R550/H170 | ≥585 | 560-625 | ≥550 | |||||
Elongation/% | hardness | |||||||||
GB | JIS | ASTM | EN | GB(HV) | JIS(HV) | ASTM(HR) | EN | |||
≥35 | ≥40 | ≥38 | ≤95 | 55-95 | ||||||
≥35 | ≥19 | 75-125 | 54-67 | 95-125 | ||||||
≥20 | ≥28 | ≥8 | 90-130 | 85-145 | 64-70 | 120-155 | ||||
≥10 | ≥3 | 125-165 | ≥105 | 67-72 | 150-180 | |||||
≥2.5 | ≥155 | 71-75 | ≥170 |