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Chemical Process Industry


Through our principals Zapp Materials Engineering GmbH, we have access to one of the widest range of specialty materials for the chemical process industry available on the market.


Examples of material grades:

HASTELLOY® B-3®

(2.4600 / UNS N10675)
Nickel-molybdenum alloy, highly resistant to corrosion. HASTELLOY® B-3® alloy has a lower tendency to precipitations than HASTELLOY® B-2 alloy. An improved corrosion resistance is achieved, especially in the heat affected zone.

Applications: Components which are exposed to severe chemical conditions, in particular in reducing media, e.g., hydrochloric acid in all concentrations up to the boiling point. Chemical engineering, centrifuges, heat exchangers.

HASTELLOY® HYBRID-BC1®

(2.4708 / UNS N10362)
Corrosion resistant nickel-molybdenum-chromium alloy with very good resistance to hydrochloric acid, sulphuric acid, pitting and crevice corrosion.

Applications: In the chemical processing, pharmaceutical, agricultural, food, petrochemical, and power industries: Reaction vessels, valves, pumps, piping, storage tanks.

HASTELLOY® C-4

(2.4610 / UNS N06455)
Nickel-chromium-molybdenum alloy, highly resistant to corrosion, with outstanding stability at elevated temperatures.

Applications: Components which are exposed to oxidizing media with chloride content, e.g., contaminated oxidizing acids in exhaust gas cleaning systems.

HASTELLOY® C-22®

(2.4602 / UNS N06022)
Nickel-chromium-molybdenum-tungsten alloy, resistant to corrosion, with high resistance to aggressive, oxidizing and reducing media – even at elevated temperatures.

Applications: Power engineering, chemical industry, e.g., for acetic and formic acid production, chloric gas and phosphoric acid applications.

HASTELLOY® C-276

(2.4819 / UNS 10276)
Nickel-chromium-molybdenum-tungsten alloy, highly resistant to corrosion with good resistance to pitting corrosion in reducing and oxidizing media.

Applications: In oxidizing media containing chlorides and fluorides, e.g., exhaust gas cleaning systems, for use with formic and acetic acids, in melamine and ammonia facilities.

HASTELLOY® C-2000®

(2.4675 / UNS N06200)
Outstanding versatile nickel-chromium-molybdenum-copper alloy, also high resistance to hot concentrated sulphuric acids. Good resistance to pitting corrosion. Excellent thermal structure stability.

Applications: Chemical process technology, wherever a wide range of corrosion resistance (reducing/oxidizing) is required, as well as chloric conditions.

HASTELLOY® G-35®

(2.4643 / UNS N06035)
Ni-Cr-Mo alloy with increased chromium content. Excellent corrosion resistance in oxidizing media. HASTELLOY® G-35® alloy exhibits numerous improvements compared to HASTELLOY® G-30® alloy.

Applications: Phosphoric acid, specific cases of high temperature corrosion to approximately 760°C, oxidizing acid media.

HAYNES® 214®

(2.4646 / UNS N07214)
Nickel-based super alloy with outstanding oxidation resistance up to 1260 °C. Excellent resistance to carburization and chlorine-bearing environments, especially at high temperatures.

Applications: In demanding industrial heating applications, flue gas cleaning plants, incinerating facilities, chemical industry, automotive industry.

HAYNES® 230®

(2.4733 / UNS N06230)
Solid solution strengthened nickel based alloy with an excellent combination of favorable characteristics: thermal stability, oxidation resistance up to 1150 °C resistant to nitriding, carburization, damp conditions.

Applications: Semi-finished products for gas turbine engineering, furnace engineering, chemical plant, technology and apparatus engineering, petrochemical plants, incineration with thermal cycling characteristics.

HAYNES® 242®

(UNS N10242)
Age-hardenable nickel-molybdenum-chromium alloy with excellent strength up to 705 °C and low thermal expansion characteristics, good oxidation resistance up to 815 °C. Excellent resistance to high temperature fluorine and fluoride-bearing environments. High strength combined with excellent corrosion resistance and advanced wear resistance.

Applications: Used in gas turbine engineering, fluoropolymer plastics production and CPI applications.

ALLOY 20

(2.4660 / UNS N08020)
Alloy 20 was developed to withstand sulfuric acid. Nickel, chromium, molybdenum and copper provides excellent general corrosion resistance. Restricted carbon combined with columbium stabilization permits welded fabrications to be used in corrosive environments, normally without post-weld heat treatment. Alloy 20 has practical immunity to chloride stress corrosion cracking. The alloy is often chosen to solve stress corrosion cracking problems, which may occur with 316L stainless.

Applikationer: Pickling tanks and vessels for sulphuric acid, heat exchangers, process piping, chemical and petroleum process equipment. 

Alloy 201

(2.4068 / UNS N02201)
Commercial pure nickel, good thermal, electrical and magnetostrictive properties. Excellent corrosion resistance primarily in caustic alkalines at elevated temperatures.

Applications: Food processing, manufacturing of plastics and alkaline substances, chemical processes where a high degree of purity is demanded. Production of cold formed components.

Alloy 600

(2.4816 / UNS N06600)
Nickel-chromium-iron alloy: good oxidation resistance up to 1050 °C, excellent resistance to stress corrosion cracking due to high nickel content.

Applications: Furnaces and other thermal treatment facilities, protective tubes for heating elements in nuclear energytechnology, CPI applications.

Alloy 625

(2.4856 / UNS N06625)
Corrosion-resistant nickel-chromium-molybdenum alloy with high mechanical properties – also at elevated temperatures. Good corrosion resistance in oxidizing and chloride containing media.

Applications: Components for nitric acid plants, exhaust gas cleaning systems, components used in seawater, membranes.

Alloy 825

(2.4858 / UNS N08825)
Corrosion resistant nickel-iron-chromium alloy with good resistance to hot oxidizing and reducing acids.

Applications: Heat exchangers subjected to water with chloride content and other plant components which are subjected to sulphuric and phosphoric acid compounds.

HAYNES® HR-120®

(2.4854 / UNS N08120)
Solid solution strengthened iron-nickel-chromium alloy, with high resistance to oxidation up to 1100 °C, sulphurizing and/or carburizing together with excellent creep strength.

Applications: Retorts, muffles, baskets, fastening elements for heat treatment furnaces, waste incinerators, petrochemical facilities, power generating plants.

HAYNES® 556®

(1.4883 / UNS R30556)
Solid solution strengthened iron-based superalloy; high thermal structure stability, resistance to severely corrosive gaseous substances at low and high temperatures up to 1100 °C. Favorable fabricability, creep strength, resistance to sulphur and carbon for high temperature applications.

Applications: Waste incinerator facilities, industrial furnaces, chemical and petrochemical processing technology. Excellent weldability, therefore suitable for welding or dissimilar high temperature alloys, suitable for salt- and zinc melts.

Alloy 800H

(1.4876 / UNS N08810)
Iron-nickel-chromium-alloy with very good resistance to carburizing and changing oxidizing/reducing atmosphere. Optimized creep properties due to controlled alloying elements carbon, silicium, aluminum and titanium, which make applications above 600 °C possible.

Applications: Heat exchangers, heat treatment facilities, heaters, fans, housing, chemical and petrochemical plants (reforming plants and fluidizing furnaces).

Titanium grade 1

(3.7025 / UNS R50250)
Commercial pure titanium: the low iron content supports the excellent corrosion resistance in wet chloride containing, oxidizing media. Titanium shows an outstanding biocompatibility.

Applications: Structural parts which are subject to severe oxidizing stresses, particularly in combination with chlorides: the chemical industry, desalinization facilities for seawater, power station technology, medical technology, lightweight contruction technology.

Titanium grade 2

(3.7035 / UNS R50400)
Commercial pure titanium: the low iron content supports the excellent corrosion resistance in wet chloride containing, oxidizing media. Titanium shows an outstanding biocompatibility. A slight modification of the trace elements increases the mechanical properties compared to grade 1.

Applications: Structural parts which are subject to severe oxidizing stresses, particularly in combination with chlorides: the chemical industry, desalinization facilities for seawater, power station technology, medical technology, lightweight contruction technology.

Titanium grade 5

(3.7165 / UNS R56400 / AMS 4911)
(3.7164 / AMS 4928)(WL)
Titanium α+β alloy: Outstanding specific strength. The mechanical properties can be influenced by heat treatment to controlled parameters. A higher specification level is available for aircraft applications (WL-Grade). A slight modification of the composition results in improved formability (ELI-Grade).

Applications: Structural aircraft components, CPI, rotation components, fastening elements, automotive technology, sonotrodes and medical engineering.

Zirconium 702

(UNS R60702)
Refractory alloy with high corrosion resistance, high strength and good working properties, resistant to aggressive, oxidizing and reducing media.

Applications: Tanks, pumps, mounting parts, tubes and fittings for the manufacture of acetic acid according to the Monsanto method, in hydrochloric, nitric and sulphuric acids. Chemical processing technology.


Haynes®, Hastelloy® and Ultimet® are registered trademarks of Haynes International, Inc., Kokomo, Indiana, U.S.A.
Subject to typing errors.