Active Member
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[China]
Address: 227-11666 DONGTAIHU STREET, SONGLING TOWN, SUZHOU CITY, JIANGSU PROVINCE, P.R.CHINA
Contact name:Vivie Chen
SUZHOU FRANK STEEL CO.,LTD. |
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ASTM C21000 Common Brass Seamless Tubes Can Be The Best Water
Supply Pipeline
1. Description
ASTM C21000 common brass seamless tubes has the characteristics of
firmness and corrosion resistance. It becomes the first choice
for modern contractors to install water pipes, heating pipes and
refrigeration pipes in all residential commercial houses. ASTM
C21000 common brass seamless pipe is the best water supply pipe, it
is commonly used in water pipeline.
2. Chemical composition
| Cu :95.0～97.0 |
| Zn:remain |
| Pb:≤0.03 |
| P:≤0.01 |
| Fe:≤0.10 |
| Sb :≤0.005 |
| Bi:≤0.002 |
| Impurity:≤0.2 |
3. Mechanical properties
Tensile strength σ B (MPA): ≥ 205
Elongation δ 10 (%): ≥ 35
Elongation δ 5 (%): ≥ 42
Note: longitudinal mechanical properties of pipes at room temperature
4. Standard comparison
| Category | China | US | UK | Germany | Japan | ||
| GB | ASTM | CDA | BS | DIN | Digital system | JIS | |
| Common brass | H96 | C21000 | 210 | Cz125 | CuZn5 | 2.0020 | C2100 |
| H90 | C22000 | 220 | Cz101 | CuZn10 | 2.0230 | C2200 | |
| H85 | C23000 | 230 | Cz102 | CuZn15 | 2.0240 | C2300 | |
| C23030 | |||||||
| H80 | C24000 | 240 | Cz103 | CuZn20 | 2.0250 | C2400 | |
| H70 | C26000 | 260 | Cz106 | CuZn30 | 2.0265 | C2600 | |
| C26100 | Cz126 | - | |||||
| H68A | - | - | |||||
| H68 | C26200 | CuZn33 | 2.0280 | ||||
| H65 | C26800 | 268 | Cz107 | CuZn36 | 2.0335 | C2680 | |
| C27000 | 270 | C2700 | |||||
| H63 | C27400 | 272 | Cz108 | CuZn37 | 2.0321 | ||
| C27200 | 2.0360 | C2720 | |||||
| H62 | C28000 | 280 | CuZn40 | C2800 | |||
| H60 | C28000 | 280 | Cz109 | CuZn40 | C2801 | ||
5. OD table and tolerance
| T mm OD mm | 0.15--0.2 | 0.2--0.3 | 0.3--0.5 | 0.5--0.8 | 0.8--1.2 | 1.2--1.8 | 1.8--2.5 | 2.5--3 | 3--4 |
| 2.5--5 | √ | √ | √ | ||||||
| 6--10 | √ | √ | √ | √ | √ | ||||
| 11--15 | √ | √ | √ | √ | √ | ||||
| 16--20 | √ | √ | √ | √ | |||||
| 20--25 | √ | √ | √ | √ | √ | ||||
| 25--35 | √ | √ | √ | √ | √ | ||||
| 35--45 | √ | √ | √ | √ | √ | √ | |||
| 45--55 | √ | √ | √ | √ | √ | √ |
| outside diameter | Average tolerance | |
| General (±mm) | high(±mm) | |
| 3--15 | 0.09 | 0.05 |
| 15--25 | 0.1 | 0.06 |
| 25--50 | 0.15 | 0.08 |
6. Wall Thicknese and tolerance
| wall thickness | Average tolerance | |
| General(mm) | high(mm) | |
| 0.2--0.5 | ±0.02--0.05 | ±0.01--0.03 |
| 0.5--0.8 | ±0.05--0.08 | ±0.02--0.05 |
| 0.8--1.5 | ±0.08--0.15 | ±0.05--0.12 |
| 1.5--2.5 | ±0.15--0.25 | ±0.12--0.2 |
| 2.5--4 | ±0.25--4 | ±0.2--0.3 |
7. Details picture
