Materials

Materials used for valve bodies, trim and sealing elements: chemical composition, mechanical properties, service temperature, media suitability and equivalent grades.

To select by medium and temperature: Material selection guide →

CODE	MATERIAL	FAMILY	STANDARD	Rp0.2 MPa	Rm MPa	TEMPERATURE
1.4021	X20Cr13420 · S42000	Stainless steel · wrought	EN 10088-2 / -3	≥ 500	700–850	−20 … +400 °C
1.4301	X5CrNi18-10304 · F304 · S30400	Stainless steel · wrought	EN 10088-2 / -3	≥ 210	520–720	−196 … +538 °C
1.4307	X2CrNi18-9304L · F304L · S30403	Stainless steel · wrought	EN 10088-2 / -3	≥ 200	500–700	−196 … +425 °C
1.4401	X5CrNiMo17-12-2316 · F316 · S31600	Stainless steel · wrought	EN 10088-2 / -3	≥ 220	520–670	−196 … +538 °C
1.4404	X2CrNiMo17-12-2316L · F316L · S31603	Stainless steel · wrought	EN 10088-2 / -3	≥ 220	520–670	−196 … +455 °C
1.4539	X1NiCrMoCu25-20-5904L · N08904	Stainless steel · wrought	EN 10088-2 / -3	≥ 220	520–720	−196 … +371 °C
1.4541	X6CrNiTi18-10321 · F321 · S32100	Stainless steel · wrought	EN 10088-2 / -3	≥ 200	500–700	−196 … +650 °C
1.4542	X5CrNiCuNb16-4630 · 17-4PH · S17400	Stainless steel · wrought	EN 10088-3	≥ 520	800–950	−29 … +300 °C
1.4547	X1CrNiMoCuN20-18-7S31254 · 6Mo super austenitic	Stainless steel · wrought	EN 10088-2 / -3	≥ 300	650–850	−196 … +400 °C
1.4571	X6CrNiMoTi17-12-2316Ti · S31635	Stainless steel · wrought	EN 10088-2 / -3	≥ 220	≥ 520	−196 … +815 °C
1.4308	GX5CrNi19-10CF8 (near equivalent)	Stainless steel · cast	EN 10213	≥ 175	440–640	−29 … +538 °C
1.4317	GX4CrNi13-4CA6NM (near equivalent)	Stainless steel · cast	EN 10213	≥ 550	760–960	−29 … +482 °C
1.4408	GX5CrNiMo19-11-2CF8M (near equivalent) · SCS 14	Stainless steel · cast	EN 10213	≥ 185	440–640	−196 … +538 °C
1.4409	GX2CrNiMo19-11-2CF3M (near equivalent)	Stainless steel · cast	EN 10213	≥ 195	440–640	−196 … +455 °C
CF3M	ASTM A351 Grade CF3M1.4409 (near equivalent) · J92800	Stainless steel · cast	ASTM A351	≥ 205	≥ 485	−196 … +455 °C
CF8	ASTM A351 Grade CF81.4308 (near equivalent) · J92600	Stainless steel · cast	ASTM A351	≥ 205	≥ 485	−196 … +538 °C
CF8M	ASTM A351 Grade CF8M1.4408 (near equivalent) · J92900	Stainless steel · cast	ASTM A351	≥ 205	≥ 485	−196 … +538 °C
CN7M	ASTM A351 Grade CN7M · Alloy 20N08007 · Alloy 20 (N08020)	Stainless steel · cast	ASTM A351	≥ 170	≥ 425	≤ +425 °C
1.4410	X2CrNiMoN25-7-42507 · F53 · S32750	Duplex stainless steel	EN 10088-2 / -3	≥ 530	≥ 730	≤ +300 °C
1.4462	X2CrNiMoN22-5-32205 · F51 / F60 · S31803 · S32205	Duplex stainless steel	EN 10088-2 / -3	≥ 460	≥ 640	≤ +300 °C
1.4469	GX2CrNiMoN26-7-45A · CE3MN (near equivalent) · 1.4410 · 2507	Duplex stainless steel	EN 10213	≥ 480	650–850	≤ +300 °C
1.4470	GX2CrNiMoN22-5-34A · CD3MN (near equivalent) · 1.4462 · 2205	Duplex stainless steel	EN 10213	≥ 420	600–800	≤ +300 °C
1.4501	X2CrNiMoCuWN25-7-4F55 · S32760	Duplex stainless steel	EN 10088-2 / -3	≥ 530	730–930	−40 … +300 °C
A105	ASTM A105 · carbon steel forgingSA-105 · P250GH · 1.0460 (near)	Carbon and alloy steel · forged	ASTM A105	≥ 250	≥ 485	−29 … +425 °C
C40	Quenched and tempered steel1.0511 · 1040	Carbon and alloy steel · forged	EN 10083-2	≥ 320	≥ 580	−20 … +400 °C
F11	ASTM A182 Grade F11 · 1¼Cr–½MoWC6 · 13CrMo4-5 · 1.7335 (near)	Carbon and alloy steel · forged	ASTM A182	≥ 205	415–585	−29 … +593 °C
F22	ASTM A182 Grade F22 · 2¼Cr–1MoWC9 · 10CrMo9-10 · 1.7380 (near)	Carbon and alloy steel · forged	ASTM A182	≥ 205	415–585	−29 … +593 °C
F91	ASTM A182 Grade F91 · 9Cr–1Mo–VC12A · X10CrMoVNb9-1 · 1.4903	Carbon and alloy steel · forged	ASTM A182	≥ 415	585–760	−29 … +649 °C
LF2	ASTM A350 Grade LF2 · low-temperature forgingSA-350 LF2	Carbon and alloy steel · forged	ASTM A350	≥ 250	485–655	−46 … +425 °C
P265GH	Pressure vessel steel1.0425 · HII	Carbon and alloy steel · forged	EN 10028-2 / EN 10222-2	≥ 265	410–530	−20 … +400 °C
S235JR	Structural steel1.0038 · St37-2	Carbon and alloy steel · forged	EN 10025-2	≥ 235	360–510	−10 … +300 °C
1.0619	GP240GHWCB (near equivalent) · GS-C25	Carbon and alloy steel · cast	EN 10213	≥ 240	420–600	≤ +400 °C
C12A	ASTM A217 Grade C12AF91 · Grade 91 · SA-217 C12A	Carbon and alloy steel · cast	ASTM A217	≥ 415	585–760	≤ +600 °C
LCB	ASTM A352 Grade LCBJ03003	Carbon and alloy steel · cast	ASTM A352	≥ 240	450–620	−46 … +343 °C
LCC	ASTM A352 Grade LCCJ02505 · SA-352 LCC	Carbon and alloy steel · cast	ASTM A352	≥ 275	485–655	−46 … +343 °C
WC6	ASTM A217 Grade WC6G17CrMo5-5 · 1.7357 (near) · F11	Carbon and alloy steel · cast	ASTM A217	≥ 275	≥ 485	−29 … +593 °C
WC9	ASTM A217 Grade WC9G17CrMo9-10 · 1.7379 (near) · F22	Carbon and alloy steel · cast	ASTM A217	≥ 275	≥ 485	−29 … +593 °C
WCB	ASTM A216 Grade WCBGP240GH · 1.0619 (near equivalent) · SA-216 WCB	Carbon and alloy steel · cast	ASTM A216	≥ 250	485–655	−29 … +425 °C
WCC	ASTM A216 Grade WCCJ02503 · SA-216 WCC	Carbon and alloy steel · cast	ASTM A216	≥ 275	485–655	−29 … +425 °C
EN-GJL-250	Grey (lamellar graphite) cast ironEN-JL1040 · GG-25	Cast iron	EN 1561	—	250–350	−10 … +300 °C
EN-GJS-400-15	Ductile (spheroidal graphite) cast ironEN-JS1030 · GGG-40	Cast iron	EN 1563	≥ 250	≥ 400	−10 … +350 °C
EN-GJS-400-18-LT	Ductile cast iron, low temperatureEN-JS1025 · GGG-40.3	Cast iron	EN 1563	≥ 240	≥ 400	−20 … +350 °C
EN-GJS-500-7	Ductile (spheroidal graphite) cast ironEN-JS1050 · GGG-50	Cast iron	EN 1563	≥ 320	≥ 500	−10 … +300 °C
CC333G	CuAl10Fe5Ni5-C · nickel aluminium bronzeG-CuAl10Ni · 2.0975 · C95500 / C95800 (near)	Copper alloys	EN 1982	≥ 250	≥ 600	−10 … +230 °C
CC480K	CuSn10-C · tin bronzeG-CuSn10 · 2.1050 · C90500 / C90700 (near)	Copper alloys	EN 1982	≥ 130	≥ 250	−10 … +180 °C
CC491K	CuSn5Zn5Pb5-C · Rg5Rg5 · G-CuSn5ZnPb · C83600 (near)	Copper alloys	EN 1982	≥ 90	≥ 200	−10 … +180 °C
CW602N	CuZn36Pb2As · DZR brassCZ132 · C35330 (near)	Copper alloys	EN 12164 / EN 12165	—	—	−10 … +110 °C
CW617N	CuZn40Pb2 · leaded brassCuZn40Pb2 · 2.0402 · C37700 (near)	Copper alloys	EN 12164 / EN 12165	≥ 150	≥ 360	−20 … +120 °C
Alloy 400	Ni-Cu alloy (Monel 400)N04400 · 2.4360	Nickel alloys	ASTM B164 / B127	—	—	−196 … +475 °C
Alloy 625	Ni-Cr-Mo-Nb alloy (Inconel 625)N06625 · 2.4856	Nickel alloys	ASTM B446 / B443	—	—	−196 … +982 °C
Alloy C-276	Ni-Mo-Cr-W alloy (Hastelloy C-276)N10276 · 2.4819	Nickel alloys	ASTM B575 / B574	—	—	−196 … +675 °C
Titanium Gr 2	Commercially pure titanium, Grade 2R50400 · 3.7035	Titanium	ASTM B265 / B348	≥ 275	≥ 345	−60 … +316 °C
ABS	Acrylonitrile butadiene styrene	Engineering plastics	ISO 19062	—	35–42	−40 … +60 °C
PA 6.6	Polyamide 6.6 (nylon)Nylon	Engineering plastics	ISO 16396	—	77–85	−40 … +100 °C
PEEK	Polyether ether ketoneVictrex PEEK	Engineering plastics	ASTM D6262	—	97–120	−60 … +250 °C
POM	Polyoxymethylene (acetal)Delrin (homopolymer)	Engineering plastics	ISO 29988	—	44–66	−40 … +100 °C
PP-H	Homopolymer polypropylenePP	Engineering plastics	EN ISO 15494 (system)	—	17–37	0 … +80 °C
PTFE	PolytetrafluoroethyleneTeflon (Chemours)	Engineering plastics	ASTM D4894 / D4895	—	10–31	−200 … +260 °C
PVC-U	Unplasticised polyvinyl chlorideRigid PVC	Engineering plastics	EN ISO 1452 (system)	—	41–71	0 … +60 °C
PVDF	Polyvinylidene fluorideKynar, Solef	Engineering plastics	ISO 10931 (system)	—	52–54	−20 … +140 °C
CR	Chloroprene rubber (neoprene)Neoprene	Elastomers	ASTM D2000 (BC, BE)	—	—	−40 … +121 °C
EPDM	Ethylene propylene diene rubberEPR	Elastomers	ASTM D2000 (AA, BA, CA)	—	—	−50 … +150 °C
FFKM	PerfluoroelastomerKalrez, Chemraz	Elastomers	ASTM D1418	—	—	−15 … +320 °C
FKM	Fluorocarbon rubberViton (Chemours)	Elastomers	ASTM D1418 · D2000 (HK)	—	—	−20 … +200 °C
HNBR	Hydrogenated nitrile rubberHSN	Elastomers	ASTM D2000 (DH)	—	—	−40 … +150 °C
NBR	Nitrile rubberBuna-N, Perbunan	Elastomers	ASTM D2000 (BF, BG…)	—	—	−30 … +100 °C
Silicone (VMQ)	Silicone rubberVMQ, MQ, PVMQ	Elastomers	ASTM D1418 · D2000 (FC, GE)	—	—	−55 … +200 °C
Filled PTFE	Glass- or carbon-filled PTFEPTFE + 15–25% glass · PTFE + 25% carbon	Sealing and hardfacing	ASTM D4745	—	—	−200 … +260 °C
Graphite	Flexible graphite (packing, gaskets)Flexible graphite	Sealing and hardfacing	—	—	—	−200 … +450 °C
Stellite 6	Cobalt-chromium-tungsten hardfacing alloyR30006 · ERCoCr-A / ECoCr-A	Sealing and hardfacing	AWS A5.21 ERCoCr-A	—	—	−200 … +650 °C
Anti-corrosion primer	Anti-corrosion primer	Coatings and surface protection	ISO 12944-5	—	—	−20 … +100 °C
Epoxy powder coating	Electrostatic epoxy powder coating (oven-cured, FBE)Oven-cured powder · FBE	Coatings and surface protection	EN 14901 · GSK RAL-GZ 662 · WRAS	—	—	−30 … +120 °C
Galvanizing	Hot-dip galvanizing	Coatings and surface protection	EN ISO 1461	—	—	−40 … +200 °C
Cataphoretic coating	Cathodic electrocoating (KTL, e-coat)KTL	Coatings and surface protection	ISO 12944 (as primer) · manufacturer's specification	—	—	−30 … +120 °C
Nickel plating	Electrolytic nickel plating	Coatings and surface protection	ISO 1456	—	—	−50 … +300 °C
Wet paint	Industrial wet paint systemRAL 5017 traffic blue · RAL 3020 traffic red	Coatings and surface protection	ISO 12944-5	—	—	−20 … +120 °C
Zinc plating	Electrolytic zinc plating	Coatings and surface protection	ISO 2081 · EN ISO 4042	—	—	−40 … +120 °C

ISO 12944-2 corrosivity categories

Paint and coating systems are selected according to the corrosivity category of the environment.

CLASS	CORROSIVITY	EXAMPLE ENVIRONMENT
C1	Very low	Heated interiors: offices, shops
C2	Low	Rural atmosphere; unheated interiors where condensation may occur
C3	Medium	Urban and light industrial atmosphere, coastal areas with low salinity; production areas with high humidity
C4	High	Industrial atmosphere, coastal areas with moderate salinity; chemical plants, swimming pools
C5	Very high	Industrial areas with high humidity and aggressive atmosphere, coastal areas with high salinity
CX	Extreme	Offshore, extreme humidity and aggressive industry
Im1	Immersion	Fresh water: rivers, waterworks
Im2	Immersion	Sea and brackish water
Im3	Buried	Soil
Im4	Immersion	Seawater, with cathodic protection

Values compiled from the relevant standards and verified by Emsal Vana.