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ASTM A847 specification covers requirements for cold-formed welded and seamless high-strength, low-alloy structural tubing. Round, square, rectangular, or special shaped for welded, riveted, or bolted construction of bridges and buildings and for general structural purposes where high strength and enhanced atmospheric corrosion resistance are important. With tensile and yield strength, ASTM A847 Corten Weathering Steel Tube can in fact profess to be the best in the market.
ASTM A847 Corten Steel Tube is produced utilizing the best nature of materials and trend-setting innovation. Amardeep Steel Centre is a renowned Manufacturer & Supplier of C44300 Admiralty Brass Tubes. Admiralty C44300 brass tube has good corrosion resistance, especially suitable for fresh water, salt or brackish water cooling steam condenser pipe. Admiralty metal tubes are also used in heat exchangers in oil refineries, where corrosion of sulfur compounds and sewage may be very serious, and also used in feedwater heaters and heat exchanger equipment, and other industrial processes.
The Admiralty brass tubes is an alloy that is zinc and copper, and is having arsenic and zinc in a small amount. These tubes are known for the excellent characteristics of high resistance to corrosion in the water of contaminated rivers and clean sea water and also in slow and stagnant water. The brass tubes of admirality are widely used in many critical applications due to durability, flexibility, thermal resistivity, longevity, etc. The brass that has 30% of the zinc and the can of 1% and is inhibiting the quincification in several atmospheres and the material is widely used in the manufacture of tubes. There are many good features that own is high thermal conductivity, high strength, light weight, corrosion resistant, etc.
Admiralty brass tubes are usually used for abrasive solids that are not suspended in lakes and rivers in fresh and clean water. Brackish water or even salt water can also be used. The arsenic inhibitory activity can prevent the dezincification of Jinzhong brass tubes, and can also withstand the stress corrosion cracking of fully annealed alloys. In waters with dissolved solids below 2000 ppm, a maximum velocity of 1 m / s (3.0 ft / s) is recommended for use in coastal waters at a velocity of up to 3 m / s (10 ft / s). In slightly polluted (sulfided) water, the addition of tin improves the overall corrosion resistance.
Specification of Admirality Brass Tubes Composition
Specifications : |
ASTM B111 / ASME SB111 |
---|---|
Standard |
DIN 17660, DIN 17671-1, ASTM B135-10, JIS H3300, JIS H 3300 C 2600 |
Width |
4 MM to 406 MM |
Hardness | Soft, Quarter Hard, Half Hard, 3/4 Hard, Hard, Extra Hard and Spring Hard. |
Type |
Seamless / ERW / Welded |
Form | :nRound, Square, Rectangular, Hydraulic Etc |
Length |
nSingle Random, Double Random & Cut Length. |
End | Plain End, Beveled End, Treaded |
Admirality Brass Tubes Composition
Copper |
70.0 to 73.0% |
---|---|
Tin |
1.0 to 1.5% |
Arsenic |
0.02 to 0.06% |
Zinc |
Remainder |
Total Imp. |
0.30% max. |
Admiralty Brass C44300 Tube Physical Properties:
Condition |
Hardness |
---|---|
Annealed (O) |
75 max |
Temper Annealed (TA) |
80 to 105 |
As manufactured (M) |
150 min. |
Mechanical Properties of Admiralty Brass C44300 Tubes
Properties * |
Metric |
English |
---|---|---|
Density |
8.53 g/cc |
0.308 lb/in³ |
Tensile Strength, min. |
310 MPa |
45 ksi |
Yield Strength, min. |
105 MPa |
15 ksi |
CTE, linear |
20.2 10-6/°C @ 20.0 – 300 °C |
11.2 10-6/°F @ 70.0 – 570 °F |
Specific Heat Capacity |
0.09 cal/g-°C @ 20ºC |
0.09 BTU/lb-°F @ 70ºF |
Thermal Conductivity |
109 W/m-K @ 20.0 °C |
64 BTU/ft2/ft/h/°F @ 70.0 °F |
eltinMg Point |
899 ~ 938 °C |
1650 ~ 1720 °F |