Page 14 - Catalogo de Boquillas - Industrysystem

MATERIALS

BETE manufactures nozzles in hundreds application is known to contain Cost. There are exceptions, but
of different materials and combinations substances which may attack the materials can generally be ranked
of materials. The chart on this page spray nozzle, contact BETE in the following order in terms of
shows the 40 materials most often Applications Engineering for advice. cost (from lowest to highest):
specified. If you dont know which Abrasion. Hardened stainless steel, brass, cast iron, plastics, stainless
material is best for your application, Cobalt Alloy 6, tungsten carbide, steels, cobaltbase alloys, nickel
BETE Applications Engineering can help and ceramics are commonly used in base alloys, ceramics, refractory
you with your selection. Some factors
that influence the nozzle material applications where abrasive fluids metals and precious metals.
selection process are: are sprayed.
Temperature. Melting or BETE Temp.
softening of material Material Material (DIN) Rating Trade
establishes maximum Description No. (MN) Description (° C) Name*
temperature limits. Brass 4 Messing 230°
However, these Naval Brass 64 400°
temperature limits must Bronze Bronze 400°
be reduced when L.C. Steel 72 C-Stahl 210°
corrosion, oxidation, or 303 5 1.4305 430°
304 6 1.4301 430°
chemical attack are also 304L 1.4306 430°
present. See column in 316 7 1.4401 430°
blue for general Tungsten Carbide 7H
Alumina 26
temperature limits for
316L 20 1.4404 430°
various materials. 317 21 1.4440 430°
Corrosion. Plastics offer 317L 22 1.4438 430°
superior corrosion 416 24 1.4005 430°
resistance at relatively low 904L 74 1.4539 430°
cost, but can only be used Alloy 20 70 2.4660 490° Carpenter® 20
Nickel Alloy M30C 37 2.4360/2.4366 540° Monel®
in lowtemperature
Nickel Alloy 600 35 2.4816 1100° Inconel® 600
applications. In general, Nickel Alloy 625 3B 2.4856 1100° Inconel® 625
metals can be ranked in Nickel Alloy 800 33 1.4876 1010° Incoloy® 800
the following order of Nickel Alloy 825 34 2.4858 1010° Incoloy® 825
corrosion resistance (from Nickel Alloy B 31 2.4800/2.4810 760° Hastelloy® B
w/2.5 Max. Co
lowest to highest): cast
Nickel Alloy G 32 2.4619 1100° Hastelloy® G
iron, brass, stainless steels,
Nickel Alloy G30 49 2.4603 1100° Hastelloy® G30
nickelbased alloys, Nickel Alloy C276 81 2.4819 1100° Hastelloy® C276
refractory metals and Nickel Alloy C22 2A 2.4602 1100° Hastelloy® C22
precious metals. Ceramics Nickel 38 Nickel 350°
have excellent corrosion Titanium 11 Titan 540°
Tantalum 40 Tantal 1500°
resistance except in very
Zirconium 61 Zirkonium 540°
high pH environments.
Cobalt Alloy 6 9 1050° Stellite® 6
Chemical attack. There SNBSC ceramic 62 1660° Refrax®
are few general guidelines RBSC ceramic 59 1380°
to this complex subject, PTFE 3 PTFE 150° Teflon®
PVDF 36 PVDF 120° Kynar®
but the material used for
PVC 1 PVC 60°
piping may provide a CPVC 16 CPVC 100°
useful indicator of a Polypropylene 2 Polypropylen 70°
suitable nozzle material. UHMW 17 80°
If the environment of your Polyurethane 69 80°
ABS 15 70°
* BETE does not represent that it manufactures its products with materials sold under any of these brand
The following are registered trademarks: Teflon®,
Viton® (E.I. DuPont de Nemours & Co.); Hastelloy® names. Customers sometimes ask for BETE products without using a USA standard specification for the material
(Haynes International, Inc.); Incoloy®, Monel® (The they require. When materials are described incompletely, with DIN specifications or with a commonly used brand
International Nickel Company, Inc.); Inconel® (Inco name, BETE will usually supply materials according to the USA specifications listed above. Specifications for forms
Nickel Sales, Inc.); Kynar® (Penwalt Corporation); other than cast or bar may differ from the above.
REFRAX® (Carborundum Company); and Stellite®
(Stoody Deloro Stellite, Inc.); M&M (Mars, Inc.) The
BETE logo and MaxiPass are registered trademarks of
12 BETE Fog Nozzle, Inc. ©BETE Fog Nozzle, Inc. www.BETE.com