International Grade Conversions - Stainless Steel and Cast Iron

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Various Gauges/Thicknesses

Stainless Steel and Cast Iron

WerkstoffGermanyU.S.A.FranceGreat BritainItalySwedenSpainJapan
Austenitic Stainless Steel
1.4301 X5CrNi189304Z6CN18.09304S15X5CrNi18102332F.3551 SUS304
1.4310 X12CrNi177301Z12CN17.07301S21X2CrNi18072331F.3517SUS301
1.4311 X2CrNiN1810304LNZ2CN18.10304S62X2CrNiN18102371SUS304LN
1.4312 G-X10CrNi188 Z10CN18.9M302C25
1.4350 X5CrNi189304Z6CN18.09304S31X5CrNi18102332/2333 F.3551
1.4401 X5CrNiMo17122316Z6CND17.11316S16X5CrNiMo17122347F.3543SUS316
1.4404 X2CrNiMo1810316LZ2CND17.12316S12X2CrNiMo17122343/2348/2553 SUS316
1.4410 G-X10CrNiMo189 Z5CND20.12M
1.4429 X2CrNiMoN17133316LNZ2CND17.13316S63X2CrNiMoN17132375SUS316LN
1.4435 X2CrNiMo18143316LZ2CND17.12316S13X2CrNiMo17122353SCS16
1.4436 X5CrNiMo17133 316 Z6CND18-12-03 316S33X8CrNiMo17132343/2347SUS316
1.4438 X2CrNiMo18164317LZ2CND19.15317S12X2CrNiMo18162367SUS317L
1.4500 G-X7NiCrMoCuNb252023NCDU25.20M
1.4541 X10CrNiMoTi1810321Z6CNT18.10321S12X6CrNiTi18112337F.3553F.3523 SUS321
1.4550 X10CrNiNb347Z6CNNb18.10347S17X6CrNiNb18112338 F.3552F.3524SUS347
1.4552 G-X7CrNiNb189Z4CNNb19.10M347C17
1.4571 X10CrNiMoTi1810316TiZ6NDT17.12320S17X6CrNiMoTi17122350F.3535 SUS316TI
1.4583 X10CrNiMoNb1812Z6CNDN1713B318X6CrNiMoNb
1.4585 G-X7CrNiMoCuNb1818X6CrNiMoTi1712
1.4828 X15CrNiSi2012309Z15CNS20.12309S24SUH309
1.4845 X12CrNi2521310SZ12CN2520310S24X6CrNi25202361F.331SUH310;SUS310S
Austenitic/Ferritic Stainless Steel (Duplex)
1.4460 X8CrNiMo275S329002324SUS329J1
1.4821 X20CrNiSi254Z20CNS25.04
1.4823 G-X40CrNiSi274
1.4362X2CrNiN234S32304Z2CN23-04AZ 2327
Gray Cast Iron
0.6010 GG10 CLASS20Ft10DG10110FC100
0.6020 GG20CLASS30Ft20DGRADE220G20120FG20FC200
0.6030 GG30CLASS45Ft30DGRADE300G30130FG30FC300
0.6035 GG35CLASS50Ft35DGRADE350G35135FG35FC350
0.6040 GG40CLASS55Ft40DGRADE400140FC400
Gray Cast Iron with Nodular Graphite
0.7033 GGG35.3 0717-15 FCD350
0.7040 GGG4060-40-18 FCS400-12 SNG420/12 GGG400717-02GGG40FCD400
0.7043 GGG40.3FGS370-17 SNG370/17 0717-12 FCD400
0.7050 GGG5080-55-06 FGS500-7 SNG500/7GGG500727-02GGG50FCD500
0.7060 GGG60FGS600-3 SNG600/3 GGG600732-03 GGG60FCD600
0.7070 GGG70100-70-03 FGS700-2 SNG700/2 GGG700737-01 GGG70FCD700
White malleable Cast Iron
0.8040GTW-40 MB40-10W410/4GMB40 GTW40
0.8045 GTW-45GMB45 GTW45
0.8055 GTW-55 GTW55
0.8065 GTW-65 GTW65
0.8135GTS-3532510 MN35-10B340/12810GTS35
0.8145 GTS-45 40010 P440/7852GTS45
0.8035 GTW-35MB35-7 W340/3 GTW35
0.8155GTS-55 50005MP50-5 P510/4854GTS55
0.8165 GTS-6570003MP60-3P570/3856GTS65
0.8170 GTS-70 90001M870-2P690/2 0862; 0864GTS70
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Stephens Gaskets Limited
Units 1-4 Alston Road Oldbury Oldbury, West Midlands B69 2PP
Phone: 0121 544 5808 Fax:121 544 4188, E-mail: