|
Brass pipe widely used in bathroom accessories, hardware tools
manufacturing, auto fittings, heating elements, construction, ship
building etc.
We offer brass pipe as clients requirements, manufacturing
according to main countries standards, such as ASTM B 135-02, ASTM
B111, GBT 5231-2001, BS EN 13600-2002, etc.
1. Those alloys are specified having the following nominal
compositions:
|
Alloy No.
|
Copper
|
Zinc
|
Lead
|
Tin
|
|
C22000/CuZn10
|
90%
|
10%
|
......
|
......
|
|
C23000/CuZn15
|
85%
|
15%
|
......
|
......
|
|
C26000/CuZn30
|
70%
|
30%
|
......
|
......
|
|
C26200/CuZn32
|
68%
|
32%
|
......
|
......
|
|
C27000/CuZn35
|
65%
|
35%
|
......
|
......
|
|
C27200/CuZn37
|
63%
|
37%
|
......
|
......
|
|
C27400/CuZn38
|
62.5%
|
37.5%
|
.......
|
......
|
|
C28000/CuZn40
|
60%
|
40%
|
......
|
......
|
|
C33000
|
66%
|
33.5%
|
0.5%
|
......
|
|
C33200
|
66%
|
32.4%
|
1.6%
|
......
|
|
C37000
|
60%
|
39%
|
1.0%
|
......
|
|
C44300/CuZn28Sn
|
71.5%
|
27.5%
|
......
|
1%
|
2. Specification Available:
|
Alloy No.
|
Product
|
Temper
|
Dimension (mm)
|
Length (mm)
|
|
OD
|
WT
|
|
C21000
|
Drawn Tubes |
Soft, 1/2 Hard, Hard
|
5~200
|
0.5~15
|
When OD≤100, L: 1000~7000; When OD≥100,
L: 500-6000
|
|
C22000
|
|
C26000
|
15~100
|
0.75~10
|
|
C26200
|
|
C23000
|
10.29~114.3
|
1.57~6.35
|
500~ 6096
|
|
C26800
|
6~280
|
0.8~17.5
|
When OD≤100, L: 1000~7000; When OD≥100,
L: 500-6000
|
|
C27000
|
|
C28000
|
|
C68700
|
Soft, 1/2 Hard
|
8~76
|
0.8~4.5
|
2000~14000
|
|
C44300
|
|
C44400
|
|
C44500
|
3. Mechanical Properties of Drawn Temper Tube as
following:
|
Copper Alloy
|
Temper Designation
|
OD In.
|
Thickness In.
|
Tensile Strength Ksi
|
Rockwell Hardness 30T
|
|
Standard
|
Former
|
|
C26000/CuZn30
C27000/CuZn35
C27200/CuZn37
C27400/CuZn32
|
H58
|
Drawn(GP)
|
all
|
all
|
54 min
|
53 min
|
|
H80
|
Hard Drawn
|
Up to 1
|
0.02 to 0.12
|
66 min
|
70 min
|
|
H80
|
Hard Drawn
|
Over 1 to 2
|
0.035 to 0.18
|
66 min
|
70 min
|
|
H80
|
Hard Drawn
|
Over 2 to 4
|
0.06 to 0.25
|
66 min
|
70 min
|
|
C44300/CuZn28Sn
|
H58
|
Drawn(GP)
|
all
|
all
|
54 min.
|
53 min.
|
|
H80
|
Drawn(GP)
|
all
|
all
|
66 min.
|
70 min.
|
4. Mechanical Properties of Annealed Temper Tube as
following:
|
Copper Alloy
|
Temper Designation
|
Thickness In.
|
Rockwell Hardness
|
Average gain Size(mm)
|
|
Standard
|
Former
|
Scale
|
Max.
|
Min.
|
Max.
|
|
C26000/CuZn38
|
O60
|
Soft Anneal
|
Up to 0.03
|
30T
|
40
|
0.025
|
0.06
|
|
O60
|
Soft Anneal
|
Over 0.03
|
F
|
80
|
0.025
|
0.06
|
|
O50
|
Light Anneal
|
Up to 0.03
|
30T
|
60
|
A
|
0.035
|
|
O50
|
Light Anneal
|
Over 0.03
|
F
|
90
|
A
|
0.035
|
|
C27000/CuZn35
C27200/CuZn37
C27400/CuZn32
|
O60
|
Soft Anneal
|
Up to 0.03
|
30T
|
40
|
0.025
|
0.06
|
|
O60
|
Soft Anneal
|
Over 0.03
|
F
|
80
|
0.025
|
0.06
|
|
O50
|
Light Anneal
|
Up to 0.03
|
30T
|
60
|
A
|
0.035
|
|
O50
|
Light Anneal
|
Over 0.03
|
F
|
90
|
A
|
0.035
|
|
C44300/CuZn28Sn
|
O60
|
Soft Anneal
|
Up to 0.03
|
30T
|
40
|
0.025
|
0.06
|
|
O60
|
Soft Anneal
|
Over 0.03
|
F
|
80
|
0.025
|
0.06
|
|
O50
|
Light Anneal
|
Up to 0.03
|
30T
|
60
|
A
|
0.035
|
|
O50
|
Light Anneal
|
Over 0.03
|
F
|
90
|
A
|
0.035
|
A Although no Min. Grain size is specified,
the products must nevertheless have a fully recrystallized grain
structure
|
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