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| Brand Name : | FRANK STEEL |
| Model Number : | HSn70-1AB |
| Certification : | DNV / LR / BV |
| Price : | Negotiation |
| Payment Terms : | T/T |
| Supply Ability : | 1000 Ton per 30 days |
| Delivery Time : | about 30 work days |
HSn70-1AB Brass Tube For Corrosive Liquids In High Strength And
Corrosion Resistant Condenser
1. Description
HSn70-1AB alloy condenser tube is a new type of alloy pipe. It is
based on copper, tin and zinc alloy, with the synergistic effect of
arsenic, boron, nickel and manganese elements. It has high
corrosion resistance and erosion corrosion resistance.
It's belonged to condensing tube series, the chemical composition
of the HSn70-1AB alloy tube is copper and arsenic, and the residual
is zinc. Its superior performance is to prevent stress corrosion
cracking, pitting, and erosion. The product is generally used in
rivers, lakes and springs, as well as inland power plants with
fresh and clean water. In addition, it can also be used in liquid
and juice processing equipment, and also widely used in sugar and
food industry.
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 | Al | 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 | ||
| HAl77-2 | 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 | —— | ||||||
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

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