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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H68A Brass Tube With Highest Malleability, Stable General Corrosion Performance For Construction And
Industrial Product
1. Description
H68A brass material has very good
malleability (the best one among brass) and high strength,
good machinability, easy to weld, very stable for general
corrosion, but easy to have corrosion cracking. It is the most
widely used grade of common brass.
Our company's brass tube grades mainly
include HAi77-2,HSn70-1, HSn70-1B, HSn70-1AB, H68A copper
tube, fin tube and U-tube. The products are produced in strict
accordance with the standard, and the finished products can be
tested by the third party according to the customer's requirements.
These copper tubes are mainly used in power plants, desalination,
petrochemical, mechanical ships and automotive heat exchangers. We
have rich production experience, professional technology, excellent
equipment, superior quality, reasonable price, high-quality
service, so that our products sell well all over the world, well
received by customers.
2. Chemical Composition
| Grade | Chemical Composition | Impurity composition /%, ≤ | ||||||||||
| Cu | Sn | As | B | Ni | Mn | Zn | Fe | Pb | Ai | S | ||
| HSn70-1B | 69.0～71.0 | 0.8～1.3 | 0.03～0.06 | 0.015～0.02 | - | - | allowance | 0.1 | 0.05 | ≤0.3 | ||
| HSn70-1AB | 69.0～71.0 | 0.8～1.3 | 0.03～0.06 | 0.015～0.02 | 0.05～1.00 | 0.02～2.0 | allowance | 0.1 | 0.05 | ≤0.3 | ||
| HAi77-2 | 76～79 | 0.02～0.06 | 0.5 | allowance | 0.06 | 0.07 | 1.8～2.5 | —— | ||||
| T2 | 99.9 | 0.002 | 0.005 | 0.005 | 0.005 | —— | ||||||
| H68A | 67.0～70.0 | ≤0.01 | allowance | ≤0.01 | ≤0.03 | ≤0.3 | ||||||
3. Physical Properties
| Grade | Supply Status | Specifications/mm | Standard | ||
| OD | Wall Thickness | Length | |||
| HAl77-2;HSn70-1; | soft(M)Semi hard(Y2) | 6～30 | 0.5～2 | ≤12000 | GB/T8890-2007 |
| HSn70-1B; | |||||
| HSn70-1AB; | |||||
| H68A;HSn70A; | |||||
| BFe10-1-1 | Semi hard(Y2) | 9～12(20～35) | 0.75～1.5 | ≤2500 | GB/T8890-2007 |
| LF21Clad pipe | |||||
4. Details Picture
