ABOUT US
Zeleznik AD is a shareholders’ company that specializes in black metallurgy.
Our company produces and sells low carbon round steel shot and various kinds of steel castings.
When it comes to the choice of the right business partner for you, we can assure you that you have come to the right place. We promise great quality, compatible price, professional service. We will prove to you that we are the best choice of a business partner for you. You are always welcome to visit our facility and meet our management.
WE LOOK FORWARD TO BUILDING A
LONG - TERM BUSINESS RELATIONSHIP WITH YOU!
HISTORY
Zeleznik was founded in 1979 with an Austrian license and meets all the EU quality standards.
In our early stages, we exported only in the neighboring countries, but today, with more than 90% of production supply, we have long-term business partners located in the EU countries as well as overseas.
PRODUCTION
Our production capacities enable our annual production of approximately 12000 tons of steel shot and 3000 tons of steel castings.
With committed and professional staff, we pride on the quality of our products and well-established brand in the country and abroad.
QUALITY
Due to extensive experience and continuous technological development, we are offer products of very high quality.
With the possession of ISO 9001:2008 ;
ISO 14001 certificates, we confirm the quality of our production.
Our products’ quality, chemical, metallographic and mechanical structure is strongly controlled in our own laboratory which is equipped by the most up-to-date machinery.
NEWS
The investments in up-to-date technologies is continuous.
The last three years it reaches the amount of three million Euros in the new productive lines for steel castings.
Ad Zeleznik will visit Foundry Forum FOCAST fair that will be held in Poznań, Poland from 3rd to 6th June 2014. Poznań International Fair is specially dedicated to foundries. Participants are machines and equipment manufacturers, component suppliers, service providers as well as representatives of science.
We established strict control and management system according ISO 9001:2008 with integrated statistical process control.
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Chemical analyses: controling of received materials / foundry raw materials and auxiliary materials as well as the melting charge at Quantometer ARL 3460.
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Size distribution of steel shot acc SAE J444 - size grading.
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Filling weight kg/dm3 - compaction of steel shot.
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Durability and efectivness / service life made with Ervine test mashine / K100-fatigue life.
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Roundness of steel shot.
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Microstructure - bainitic / metallographic microscope XJL17BT.
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Microhardness / Shimadzu tester HMV 2000.
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Hardness testing with tester HARTIP 3000.
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Ultrasound testing of steel castings with USM Go.
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Impact testing / Charpy tester AIT-300 EN.
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Sand testing laboratory / LM1, LU, LRu1.
QUALITY AND ENVIRONMENTAL POLICY
STEEL SHOT AND CASTINGS QUALITY
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COMPUTER SIMULATION
MODEL PREPARATION
MOLDING
MELTING
CASTING
SOLIDIFYING
THERMAL TREATMENT - HEATING
THERMAL TREATMENT - COOLING
MECHANICAL TREATMENT - CLEANING
FINAL QUALITY CONTROL
FINAL PRODUCT
PRODUCTION LINE
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