Welcome to the website of Alfa-Tech Quality Steel . Here you can find all the crucial information about the company, find out what the profile of our business is and what we can offer to our current and future business partners in cooperation.
Next to the selected steels grades with old Polish standards PN, PN/EN and BN you will find the equivalent or similar grades as well as the exact chemical composition of steel according to the standards of the following countries: Russia and Ukraine (GOST, TU, OST), Germany ( DIN, DIN / EN ), USA ( AISI, ASTM ), France ( AFNOR ), Italy ( UNI, UNI/EN ), United Kingdom ( BS ), China ( GB / T ), the international standards (ISO), European standards ( EN ) and others.
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We offer products of quality steel - rolled bars and rods ( round, flat, square ), forged bars ( flat, round, flat ), forgings ( free forgings - ring, block, round, disc, square flat ) , hot rolled plates -sheets, cold rolled plates - sheets, cold rolled seamless pipes - tubes, hot rolled seamless tubes and pipes.
The types and groups of products offered by the our company:
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Carbon structural ( non alloy ) and low alloy
low alloy dicficult to rust
low alloy raised strong
structural for general use
high temperature structural
free machining
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Structural alloy materials
high temperature alloy structural
see all: high temperature alloy structural
15HM - cr-molybdenum, 1.7335,13CrMo4-5
20HM ( 25HM ) - cr-molybdenum, 1.7218,25CrMo4
10H2M -cr-molybdenum, 1.7380, 10CrMo9-10
13HMF - cr-molybdenum-vanadium, 1.7715,14MoV6-3
21HMF - cr-molybdenum-vanadium, 1.7709. 21CrMoV5-7
26H2MF - cr-molybdenum-vanadium, 1.7733, 24CrMoV55
30H2MF - cr-molybdenum-vanadium 1.8519, 31CrMoV9
34HN3M - chromium-nickel-molybdenu 32HN3M, 34ХН3М
nitriding
toughening ( quenched and tempered )
alloy for spring
carburizing
bearing
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Tool materials carbon and alloy
carbon tool
hot work alloy tool
cold work alloy tool
high speed - HSS
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High alloy steel with special properites
high temperature alloy
corrosion resisting
acid resisting ( stainless, Inox )
heat resisting and high temperature
see all:heat resisting steels and high temperature
H5M - cr-molybdeum 12CrMo195,1.7362
H6S2 - chrome-silicon X10CrAl7,1.4713
H13JS - chrome-aluminium-silicon X10CrAl13,1.4724
H18JS - cr-aluminium-silicon X10CrAl18,1.4742
H24JS - chrome-aluminium-silicon X10CrAl24,1.4762
H25T - chrome with titanium X8CrTi25,1.4746
H20N12S2 - stainless chromium-nickel-silicon X15CrNiSi20-12,1.4828
H23N13 - cr-nickel X12CrNi23-13,1.4833
H23N18 - cr-nickel X12CrNi25-21,1.4845
H25N20S2 - stainless chromium-nickel-silicon X15CrNiSi25-20,1.4841
Stainless Valve ( Valve materials)
H9S2 - cr-silicon X45CrSi9-3,1.4718
H10S2M - cr-silicon X40CrSiMo10-2,1.4731
special steels and special alloys
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