Materials Solutions

Experts in complex materials chemistry

The ingenuity of our materials is what makes the quality and performance of our products possible.

We have developed materials with wide-ranging capabilities suitable for a broad number of applications. By working with metallurgical specialists, and furnace designers we have been able to create these ground-breaking new materials

that resolve complex industrial challenges adding value to our customer’s businesses, every day.

We also apply our expertise in materials chemistry to design and synthesise bespoke solutions that meet our customers’ exact requirements.

Background
Research & Development

At the cutting-edge

We undertake cutting-edge research and development to deliver products that provide high operating performance and reliability, even in the most demanding of conditions.

By carefully managing the chemistry and tolerance of our solutions, we are able to provide products with world-class corrosion resistance and durability that perform exceptionally in the most extreme environments imaginable.

Materials

Paralloy Materials


Alloy Common Reference Applications Nominal Composition %
Steam Reforming (Catalyst Tubes)
Ammonia Methanol Hydrogen Direct Reduction Outlet Manifold (Headers) Ethylene pyrolysis cracking (Radiant Tubes) Transfer Lines Ethylene Dichloride Coils Tube Hangers, supports, guides PEP Tube profile C Cr Ni Nb W Other
H20 "HK40" 0.4 25 20 -
H21 "HK40 Si" 0.4 25 20 Si
H34CT "HP W mod" 0.4 25 35 - 4
H39W "HP Nb mod" 0.4 25 35 1 -
H39WM "HP Microalloy" 0.4 25 35 1
H39WMR Mircoalloy 0.4 25 35 1 Si 0.8
H39WM+ Microalloy 0.4 25 35 1.1 Si 0.8, plus additions
OPTIM-AL Aluminium Containing Alloy 30 43 1 AI3.0-50
H46M "35/45 Microalloy" 0.4 35 45 1 -
H48T "22H" 0.5 28 48 - 5
CR32W "Alloy 800 CT15C" 0.1 20 32 1 -
CR39W "HP Mb Mod LC" 0.1 25 35 1
Materials

FVC Alloys


Martensitic heat & wear resistant high strength steels
Alloy Nominal
Composition %
Aisi Type /
Common Name
Can be supplied to specs
BS ASTM W.No. UNS AMS
FV 2.5 Ni 0.10 C, 2.5 Ni, Bal Fe ASTM A 352, Grade LC2 1.5636
FV 9CrMo 0.12 C, 9.0 Cr, 1.0 Mo, 0.0075 Nb, 0.22 V, 0.05N
FI & FV 410 0.10 C, 12.5 Cr 410 STAINLESS 3100 410 C21 A217, A487, 743 CA15 1.4006 J91150
FG 0.20 C, 12.5 Cr 420 STAINLESS 3146 ANC 1B 3100 420 C24 A743 CA40 1.4027 J91153
FH 0.38 C, 12.5 Cr
FHM 0.8 C, 17.0 Cr, 0.5 Mo 440B 1.4122
S 80 0.14 C 17.0 Cr, 2.0 Ni
FV 507 0.12 C, 11.0 Cr, 0.8 Ni, 0.7 Mo, 0.3 Nb, 0.15 V 1.4492
FV 681 0.12 C, 11.5 Cr, 3.0 Ni, 1.8 Mo, 2.0 Co, 0.3 V JETHETE M190
13-Apr 0.06 C, 12.0 Cr, 4.0 Ni 3100 425 CII A487 A743 CA6NM 1.4313 J91540
17/4 PH 0.05 C, 16.5 Cr, 4.0 Ni, 3.0 Cu, 0.25 Nb 17/4 PH CB-7Cu 1.4542 J92180 5398
FV520B 0.06 C, 14.5 Cr, 5.0 Ni, 2.0 Mo, 2.0 Cu 5396
FV 535 0.09 C, 10.5 Cr, 0.50 Ni, 0.75 Mo, 0.20 V, 5.3 Co, 0.30 Nb, 0.02 N, 0.01 B FV 535
M 152 0.10 C, 12.0 Cr, 2.5 Ni, 1.75 Mo, 0.35 V JETHETE MI52 1.439 & 4939
Austenitic & duplex corrosion resisting steels
Alloy Nominal
Composition %
Aisi Type /
Common Name
Can be supplied to specs
BS ASTM W.No. UNS AMS
FST Firth Stainless 0.06 C, 18.0 Cr, 8.5 Ni 304 STAINLESS 3100 304 C15 3100 302 C25 A351 CF8A A451 CPF8 1.4308 J92600
FDP Firth Decay Proof 0.10 C, 18.0 Cr, 8.5 Ni,0.16 Ti 321 STAINLESS
FSL Firth Stainless Low C 0.03 C, 18.0 Cr,8.5 Ni 304L STAINLESS 3100 304 C12 A351 A743 A744 CF3 A451 CPF3 A351 A743 A744 CF3 A451 CPF3 J92500
FCB -347E Firth Columbian Bearing 0.08 C, 18.0 Cr, 9.0 Ni, 8XC TO 1.5 Nb 347 STAINLESS CF-8C 1.4815 J92710
FML 0.03 C,18.5 Cr, 10.5 Ni, 2.5 Mo 316 LOW C
FMB 1 0.06 C,18.5 Cr, 10.5 Ni, 2.5 Mo, 8XC to 1.0 Nb 318 STAINLESS
FMB2 Firth Moly Bearing 0.06 C,18.5 Cr, 10.5 Ni, 2.5 Mo 316 STAINLESS 316C16 CF-8M J92901
FMB 4 0.05 C, 17.5 Cr, 13.5 Ni, 2.25 Mo, 0.25 S 316 FREE MACHINING 3100 316 C16F
FMB 5 0.08 C, 19.0 Cr, 9.0 Ni, 2.5 Mo, 8XC TO 1.0 Nb, 0.25 S 318 FREE MACHINING
FMB M 0.10 C, 18.75 Cr, 8,5 Ni, 2.5 Mo, 1.0 Nb 318
FMS 0.10 C, 20.0 Cr, 9.0 Ni, 2.75 Mo,
FMX 0.08 C. 23.5 Cr, 9.0 Ni, 3.5 Mo, 1.4572
FMN 0.06 C, 25.0 Cr, 5.0 Ni, 2.0 Mo, 0.20 N A890 G3A
22/6 Mo 0.03 C, 22.0 Cr, 5.5 Ni, 3.0 Mo, 0.20 N DUPEX STAINLESS A 890 CD3MN 4A 1.4462 J92205
FV 27/5 0.06 C, 27.0 Cr, 6.5 Ni, 0.15 N 1.4460 1.4347
FV 27/5 HC 0.40 C, 27.0 Cr, 4.5 Ni, 1.434
VIKRO 100 0.10 C, 16.5 Cr, Bal Ni, 17.0 Mo, 4.5 W, 0.30 V, 5.0 Fe Hastalloy C 3146 ANC 16 A494 CW-12MW
VIKRO 200 0.02 C, 16.0 Cr, 65.0 Ni, 16.0 Mo, 0.5 W Hastalloy C4 A 494 CW 2M
VIKRO 263 0.06 C, 20.0 Cr, 50.0 Ni, 6.0 Mo, 20.0 Co, 2.0 Ti, 0.5 Al Nimonic C263 2.4672
VIKRO 276 0.03 C, 16.0 Cr, 60.0 Ni, 16 Mo, 2.0 Co, 4.0 W Hastalloy C276
FV904 0.03 C, 20.0 Cr, 25.0 Ni, 4,5 Mo, 1.5 Cu 904
NMX 0.50 C, 5.0 Cr, 12.5 Ni, 5.5 Mn, 2.0 Cu, 0.30 V NON MAGNETIC STAINLESS
Heat resisting & nickel base alloys
Alloy Nominal
Composition %
Aisi Type /
Common Name
Can be supplied to specs
BS ASTM W.No. UNS AMS
HRC1 0.20 C, 22.0 Cr, 12.0 Ni
HRCM 0.20 C, 22.0 Cr, 12.0 Ni, 3.0 W 309 + W 3146 ANC6B
25/20 0.35 C, 25.0 Cr, 20.0 Ni 310 1.4841
FV 25/12 0.15 C, 25.0 Cr,14.0 Ni 309 3100 309C30 A351 CH20 1.4833
FS 60 0.10 C, 17.0 Cr, 8.5 Ni, 8.0 Mn, 4.0 Si, 0.1 Co, 0.13 N NITRONIC 60 A351 & A743 CF10S Mn N
FS 50 0.05 C, 21.5 Cr, 12.5 Ni, 5.0 Mn, 2.0 Mo, 1.5 Nb, 0.30 N NITRONIC 50 A743 CG6MnN S20910
FV 539 0.03 C, 21.0 Cr, 9.0 Ni, 3.60 Mo, HIGH STRENGTH 317 CG 3M CG 8M
FV 254 D 0.03 C, 20.0 Cr, 29.0 Ni, 2.5 Mo, 3.5 Cu CARPENTER 20 BS3100 332 C11 A743 CN7M J95150
FV 540 0.03 C, 17.5 Cr, 13.5 Ni, 4.2 Mo, 0.16 N 317L 317C16 CG-8M 1.4439 J93000
FV 16/16Nb 0.06 C, 16.5 Cr, 16.5 Ni, 2.0 Mo, 0.70 Nb 1.4981
VIKRO 3 (37/18) 0.4 C, 18.0 Cr, 36.0 Ni, 2.0 Si 330 A297 HT
VIKRO 7 0.10 C, 19.0 Cr, 80.0 Ni, 0.3 Ti MNIMOCAST 75 3146 ANC 8
VIKRO 9 0.10 C, 19.0 Cr, BAL Ni,17.0 Co, 1.8 Ti, 1.4 Al 3146 ANC 10
VIKRO 20 0.10 C, 22.0 Cr, 47.0 Ni, 9.0 Mo, 1.5 Co, 0.60 W Hastalloy X 5390
VIKRO 80 0.08 C, 19.0 Cr, 75.0 Ni, 2.0 Ti, 1.5 Al 3146 ANC 9 2.4952
VIKRO 155 0.12 C, 21.0 Cr, 20.0 Ni, 20.0 Co, 3.0 Mo, 1.0 Nb, 2.5 W, 0.15 N MULTIMET - N155
VIKRO 617 0.08 C, 22.0 Cr, 9.0 Mo, Bal Ni, 12.0 Co, 1.0 Al, 0.40 Ti,
VIKRO 625 O.O8 C, 22.0 Cr, 60.0 Ni, 9.0 Mo, 3.6 Nb, 0.30 Ti, 0.30 Al Inco 625 A494 CW-6MC 2.4854 N26625 5402
VIKRO 825 0.04 C, 22.5 Cr, 41.0 Ni, 3.0 Mo, 2.5 Cu, 1.0 Nb INCO 825 A 494 CU5MCuC N08826
Other FVC Alloys
Alloy Nominal
Composition %
Aisi Type /
Common Name
Can be supplied to specs
BS ASTM W.No. UNS AMS
R100 0.015 C, 18.0 Cr, 8.0 Ni, 4.75 B Boron Containing Nuclear Tube
CHROME IRON CI5 1.8 C, 14.2 Cr, 0.02 Ni, 0.4 Mo,
VESUVIUS 1 0.30 C, 27.0 Cr, 2.0 NI A743 CC-50
VESUVIUS 2 1.0 C, 27.0 Cr, 2.0 NI 3100 452 C11
VESUVIUS 3 1.5 C, 27.0 Cr, 2.0 NI 3101 452 C12
CARBON STEEL 0.2 C 0.55 Si, 1.0 Mn 3100 AL1

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