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Nickel based alloys are characterized by high toughness, and good resistance to oxidation and corrosion. Alloying additions to the base nickel content creates grades that vary in the relative range of the these characteristics, which imparting good mechanical strength and high temperature properties.

For the manufacture of these grades, voestalpine companies worldwide are known as the world leader in melting and remelting technology. Our 120-years of experience plus our metallurgy know-how and a focus on the development and production of high performance materials have meant we have become one of the most innovative producers of special steel in the world. Our company boasts the most modern vacuum induction melting (VIM) and vacuum arc remelting units (VAR) plus pressurized electroslag remelting units (PESR).

Industry standard Our brands DIN UNS EN AMS ASTM Others
Alloy X750 L750, VATX750 2.4669 N07750 NiCr15Fe7TiAI B637
Alloy X 2.4665 N06002 NiCr22Fe18Mo
Alloy L605 2.4964 R30605 CoCr20W15Ni
Alloy K500 2.4375 N05500 NiCu30AI
Alloy G3 L003 2.4619 N06985
Alloy C4 L004 2.4610 N06455 NiMo16Cr16Ti
Alloy C276 L276 2.4819 N10276 NiMo16Cr15W
Alloy C263 2.4650 N07263 NiCo20Cr20MoTi
Alloy C22 L022 2.4602 N06022 NiCr21Mo14W
Alloy B2 2.4617 N10665 NiMo28
Alloy 925 L925 2.4852 N09925
Alloy 901 L901 2.4662 N09901 NiCr13Mo6Ti3 5660, 5661
Alloy 90 2.4632 N07090 NiCr20Co18Ti
Alloy 825 L314, VRC825 2.4858 N08825 NiCr21Mo
Alloy 80A 2.4952 N07080 NiCr20TiAL
Alloy 800HT VAT800HT 1.4876, 1.4959 N08811 B408
Alloy 75 2.4951 N06075 NiCr20Ti
Alloy 725 L725 N07725 B637, B805
Alloy 718 (API) L718API 2.4668 N07718
Alloy 718 L718, VAT718 2.4668 N07718 NiCr19NbMo/NiCr19Fe19Nb5Mo3 5662 B637
Alloy 625 L625, VRC625 2.4856 N06625 NiCr22Mo9Nb 5666 B446-03 G1
Alloy 617 VAT617 2.4663a N06617 NiCr23Co12Mo B166
Alloy 602 2.4633 N06025 NiCr25FeALY
Alloy 601 2.4851 N06601 NiCr23Fe
Alloy 600 2.4816 N06600 NiCr15Fe
Alloy 59 L359 2.4605 N06059 NiCr23Mo16AI
Alloy 41 2.4973 N07041 NiCr19CoMo
Alloy 400 VRC400 2.4360 N04400 NiCu30Fe B164, B564
Alloy 201 2.4068 N02201 LC-Ni99
Alloy 20 2.4660 N08020 NiCr20CuMo
Alloy 105 2.4634 N13021 NiCo20Cr15MoAITi
VAT286A 1.4980 A660

The properties of duplex stainless steels are achieved with overall lower alloy content than similar-performing super-austenitic grades, making their use cost-effective for many applications. Duplex grades are characterized into groups based on their alloy content and corrosion resistance.

Industry standard Our brands DIN UNS EN AMS ASTM Others
Super Duplex A911 1.4501 S32760 X2CrNiMoCuWN25-7-4
Super Duplex A911SA 1.4501 S32760 X2CrNiMoCuWN25-7-4 AISI: F55
Super Duplex A913 1.4410 S32750 X2CrNiMoN25-7-4 AISI: F53
Duplex A903 1.4462 S31803, S32205 X2CrNiMoN22-5-3 F51 AISI: F51, STN: 17 381

Stainless alloys are divided into four basic groups: martensitic stainless steels, ferritic stainless steels, austenitic stainless steels, and precipitation hardening stainless steels.

When nickel is added, for instance, the austenite structure of iron is stabilized. This crystal structure makes such steels virtually non-magnetic and less brittle at low temperatures. For greater hardness and strength, more carbon is added, and these grades are defined as ferritic or martensitic alloys. The ferritic types achieve moderate increases in strength by cold working. The martensitic types become martensitic during heat treatment and achieve excellent strength.

Industry standard Our brands DIN UNS EN AMS ASTM Others
Super 13Cr 1.4415 S41425, S41427 X2CrNiMoV13-5-2 A182
9Cr1Mo K90941
13Cr VC150 1.4021 S42000 X20Cr13 A276 AISI: 420
N400,  N4313 1.4313 S41500 X3CrNiMo 13-4 A182 AISI: F6NM
N403 1.4313
N404 1.4418 X4CrNiMo 16-5-1
V416 1.4005 S41600 X12CrS13 5610L A582 AISI: 416
VC140 1.4006 S41000 X12Cr13 A276, A182 AISI: 410

Industry standard Our brands DIN UNS EN AMS ASTM Others
Nitronic 60 P513 S21800 A276, A314, A479, A484
Nitronic 50 P511 S20910 X3CrNiMoCuNbN1-13-3 A182, A276, A479 AISI: XM 19
Alloy 904L A962RC 1.4539 N08904 X1NiCrMoCu 25-20-5 A182
Alloy 31 A952 1.4562 N08031 X1NiCrMoCu32-28-7 B564, B649
316L A220 1.4435 S31603 X2CrNiMo18-14-3 AISI: 316LUG, STN: 17 350
A405 1.4466 S31050 X1CrNiMoN25-22-2 AISI: 310 MoLN
A965SA 1.4547 S31254 X1CrNiMoCuN20-18-7 AISI: F44
A970 1.4529 N08926 X1CrNiMoCuN20-18-7
V304UF 1.4301 S30400 X5CrNi18-10 A182 AISI: 304
V304XLUF 1.4307 S30403 X2CrNi18-9 A182 AISI: 304L
V316UF 1.4401 S31600 X5CrNiMo17-12-2 A182 AISI: 316
V316XLUF 1.4404 S31600 X2CrNiMo17-12-2 A182 AISI: 316L
V317L 1.4449 S31703 X3CrNiMo18-12-3 A182 AISI: 317L
V321 1.4541 S32100 X6CrNiTi18-10 A182 AISI: 321
V347SI 1.4543 S34700 X6CrNiTi18-10 A182 AISI: 347

Industry standard Our brands DIN UNS EN AMS ASTM Others
A286 T200 1.4943, 1.4944, 1.4980 S66286 X4NiCrTi25-15, X5NiCrTi26-15 5731, 5732 AISI: 660
520B T670 1.4594 S45000 X5CrNiMoCuNb14-5
H500 1.4876 X10NiCrAlTi 32-21 B564

Precipitation hardening alloys of the 17-4 PH and 15-5 PH types achieve their strength by dissolving precipitates by solution annealing. An aging cycle then creates precipitates that strengthen the steel. They are usually characterized by extremely good corrosion resistance.

Industry standard Our brands DIN UNS EN AMS ASTM Others
17-4 PH N700, V630, V631 1.4542, 1.4548 S17400 X5CrNiCuNb16-4 5622, 5643 AISI: 630
15-5 PH N701 1.4545 S15500 X5CrNiCu15-5 5659 AISI: XM 12
13-8 Mo N4534, N709 1.4534 5629 A564

Industry standard Our brands DIN UNS EN AMS ASTM Others
Toughmet 3 C72900 B505
NiAl Bronze C63000 B150
BeCu C17200 B196, B251, B643

Industry standard Our brands DIN UNS EN AMS ASTM Others
F22 F22 1.7380 K21590 10CrMo9-10 A182
4330 (MOD) 4330 (MOD) 1.6932 28NiCrMoV8-5 A646

With over 40 years’ experience in the UK in the supply of stainless, duplex, super duplex, Nickel alloys & other exotic grades of tube & piping products, the Tube & Piping Division is well placed to provide the great service that customers have come to expect. Already one of the UK’s largest stockists and suppliers of seamless tube, pipe and hollow bar the recent investment in our Kasto Automated Modular Distribution System means we are even better placed to service our customer needs.

Nickel based alloys

Industry standard UNS Tube Pipe Hollow Bar Fittings Flanges
Alloy 625 N06625 X X X X
Alloy 718 N07718
Alloy 825 N08825 X X X X
Alloy 90 N07090
Alloy C22 N06022 X X X
Alloy C276 N10276 X X X
Alloy X750 N07750
Waspaloy N07001


Duplex and super duplex steels

Industry Standard UNS Tube Pipe Hollow Bar Fittings Flanges
F51 Duplex S31803 X X X X X
F53 Super Duplex S32750 X X X X
F55 Super Duplex S32760 X X X X X


Ferritic, martensitic and precipitation hardening steels

Industry standard UNS Tube Pipe Hollow Bar Fittings Flanges
X52, X60, X65, X70, X80 Various X
AISI 4130 G41300 X
17-4 PH S17400 X
15-5 PH S15500 X


Austenitic steels

Industry standard UNS Tube Pipe Hollow Bar Fittings Flanges
304, 304L S30400, S30403 X X X X X
304H S30409 X X X X
310 S3100 X X X X
316, 316L S31600, S31603 X X X X X
316H S31609 X X X X
316Ti S31635 X X X X X
317L S31703 X X X X
321, 321H S32100, S32109 X X X X X
347, 347H S34700, S34709 X X X X X
904L N08904 X X X X
F44 6Mo S31254 X X X X

Industry standard Our brands DIN UNS EN AMS ASTM Others
Ti Gr. 7 3.7235 R52400
Ti Gr. 3 3.7055 R50550
Ti Gr. 29 R56404
Ti Gr. 2 3.7035 R50400
Ti Gr. 12 3.7105 R53400
Ti Gr. 1 3.7025 R50250
Ti AI6V4/Ti Gr. 5 3.7164 R56400
Ti 6-2-4-2 3.7144 R54620
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