INTERNATIONAL STEEL STANDARD EQUIVALENTS Carbon Structural Steel Russia GOST 380-94 China GB 700-88 Japan JIS G3101-95 USA ASTM A283-/ A573-93 British BJ 970 Part 1-96 BS EN 10025-93 Germany DIN 17100 DIN EN 10025-94 ISO630-95 ST1KP ST1SP ST1PS Q195 SS300 JIS G3131-96 SPHC SPHD Gr. B Gr. C 040A10 S185 S185 - ST2KP-2 ST2PS-2 ST2SP-2 Q215A SS330 SPHC SPHD Gr. C Gr. 58 040A12 USt34-2 RSt34-2 - ST2KP-3 ST2PS-3 ST2SP-3 Q215B SS300 SPHC SPHD Gr. 58 040A12 - - ST3KP-2 ST3PS-2 ST3SP-2 Q235A SS400 JIS G3106-95 SM 400A Gr. D 080A15 - E235B ST3KP-3 ST3PS-3 ST3SP-3 Q235B SS400 SM400A Gr. D 080A15 S235JR S235JRG1 S235JRG2 S235JR S235JRG1 S235JRG2 E235B ST3KP-4 ST3PS-4 ST3SP-4 Q235C SM400A SM400B Gr. D Gr. 65 080A15 S235J0 S235J0 E235C ST4KP-2 ST4PS-2 ST4SP-2 Q255A SS400 SM400A - - - - ST4KP-3 ST4PS-3 ST4SP-3 Q255B SS400 SS400A - - - - ST5PS-2 ST5SP-2 Q275 SS490 - - - E275A Quality Carbon Structural Steel China GB 699-88 Russia GOST 1050/88 Japan JIS G3131/96 USA ASTM A29M/93 British BS 970 port1-96 Germany ISO 683-11/87 08F 08KP SPHD SPHE 1008 1010 040A10 - - 10F 10KP SPHD SPHE 1008 1010 040A10 - - 15F 15KP - 1015 - - - 08 08 SPHE 1008 1010 040A10 - - 10 10 JIS G4051 S10C 1010 040A12 - C101 15 15 S15C S17C 1015 BS970 /3 080M15 - C15E4 20 20 S20C S22C 1020 BS EN 10083-2/96 1C22 C22 - 25 25 S25C S28C 1025 1C25 C25 C25E4 High Strength Low Allow Structural Steel China GB/T 1591 – 94 Russia GOST 19281/89 Japan JIS G3135 USA ASTM A633M/95 British BS EN10025 Germany DIN EN10025 France Q295 A 295 SPFC490 Gr.A E295 E295 Q295 B 295 SPFC490 Gr.A S275JR S275JR S275JR Q345 A 345 SPFC590 Gr.B E335 E335 E335 Q345 B 345 SPFC590 Gr.B S355JR S355JR S355JR Q345 C 345 SPFC590 Gr.C/D S335JO S335JO S335JO Q345 D 345 SPFC590 Gr.C/D 355 355 355 Q345 E - SPFC590 Gr.C/D S355ML S355ML S355ML Q390 A 390 STKT540 - - - - Q390 B 390 STKT540 - - - - Q390 C 390 STKT540 - - - - Q390 D/E 390 - - - - - Alloy Structural Steels China GB/T 3077-88 Russia GOST 4543-71 Japan JIS G4160-79 USA ASTM A29-93a British BS EN10028-2-92 Germany DIN EN10028-2-92 France NF EN10028-2-92 ISO 682-1-87(E) 20Mn2 - SMn420 1524 P355GH P355GH P355GH 22Mn6 30Mn2 30G2 SMn433 1330 28Mn6 28Mn6 28Mn6 28Mn6 35Mn2 35G2 SMn438 1335 150M36 - - 36Mn6 40Mn2 40G2 SMn443 1340 150M36 - - 42Mn6 45Mn2 45G2 SMn443 1345 - - - 42Mn6 50Mn2 50G2 - 1345 - - - - 40B - - 1040B - - - - 45B - - 1045B - - - - 50B - - 1050B - - - - 40MnB - - 1541B 39MnCr-B6-2 39MnCr-B6-2 39MnCr-B6-2 - 45MnB - - 1547B - - - - 15Cr 15KH SCr415 5115 527A17 17Cr3 - - 15CrA 15KHA SCr415 5115 527A17 17Cr3 - - 20Cr 20KH SCr420 5120 BS970 Part1-96 DIN17210-86 - 20Cr4 - - - - 590H17 590M17 20Cr4 - - 30Cr 30KH SCr430 5130 BSEN10083-1-91 DIN EN100831-91 NF EN10083-1-91 34Cr4 - - - - 34Cr4 34Cr4 34Cr4 35Cr 35KH SCr435 5135 34Cr4 34Cr4 34Cr4 37Cr4 40Cr 40KH SCr440 5140 41Cr4 41Cr4 41Cr4 41Cr4 45Cr 45KH SCr445 5145 - - - 41Cr4 38CrSi 38KHS - - - - - - 15CrMo 15KHM - - - - - - Spring Steel China GB1222-84 Russia GOST 14959-79 Japan JIS G 4801-84 USA ASTM A29-93 British BS 1429-80 Germany DIN 17222-79 France NF A35-057-79 ISO 8458-3-92 65 65 Sup2 1064 060A67 C67 CK 67 FMR 66 FMR 68 Type DC 70 70 - 1070 070A72 C67 FMR 70 Type DC FMR 72 85 85 Sup3 1080 060A86 CK85 FMR 86 Type DC 65Mn 65G - 1066 080A67 - - Type DC 55Si 2Mn 55S2G Sup6 ASTM A304/95 BS 970- Part 2-98 60SiCr7 NF A35571/96 IS0 683-14/92 Sup 7 H92600 251H60 61SiCr7 56SiCr7 60Si2Mn 60S2A 6052G Sup6 H92600 251H60 60SiCr7 61SiCr7 59SiCr7 IS0 683-14/92 60Si2MnA Sup7 - - 60Si2CrA 60S2HA Sup12 - 685H57 60SiCr7 60SC7 55SiCr63 55CrMnA - Sup9 H51550 525A58 55Cr3 55Cr3 55Cr3 G51550 - - 60CrMnA - Sup9A H51600 527A60 55Cr3 55Cr3 55Cr3 G51600 - - 60CrMnMoA - Sup13 H41610 705H60 51CrMoV4 60CrMo4 60CrMo33 G41610 - - 50CrVA 50HFA Sup10 H61500 735A51 50CrV4 50CrV4 51CrV4 G61500 735h51 - 60CrMnBA 55XGP Sup11A H51601 - 58CrMnB4 - 60CrB3 Carbon Tool Steel China GB 1298-86 Russia GOST 1435-90 Japan JIS G4401-83 USA ASTM A686-92 British BS 970-96 Germany DIN 17350-80 France NF A35-590-92 ISO 4957-80 T7 U7 SK7 - 060A67 060A72 C70W2 C70E2U TC70 T8 U8 SK5 W1A-8 060A78 060A81 C80W1 C80E2U TC80 SK6 T8Mn U8G SK5 W1A-8 060A81 C85W X75 - T9 U9 SK4 SK5 W1A-9 - - C90E2U TC90 T10 U10 SK3 W1A-9 1407 C105W1 C105E2U TC105 SK4 - - T11 U11 SK3 W1A-10 1407 C105W1 C105E2U TC105 T12 U12 SK2 W1A-11 1407 C125W2 C120E3U TC120 T13 U13 SK1 - - C130W2 C140E3U TC140 Alloy Tool Steel China GB1299-85 Russia GOST 5950-73 Japan JIS G4401-83 USA ASTM 681-94 British BS 4659-89 Germany DIN 17350-80 France NF A35-590-92 ISO 4957 9SiCr 9KHS - - - 90CrSi5 - - 8MnSi - - - BW1A C75W - - Cr06 KH05 SKS8 - - 140Cr3 130Cr3 - Cr2 KH SUJ2 L3 BL1 100Cr6 100Cr6 100Cr2 9Cr2 9KH1 - - BL3 90Cr3 - - W V1 ~SKS21 F1 BF1 120W4 100WC10 - 4CrW2Si 4KHV2S ~SKS41 - - 35WCrV7 - - 5CrW2Si 5KHV2S - S1 BS1 45WCrV7 45WCrV8 45WCrV2 6CrW2Si 6KHV2S - - - 60WCrV7 (55WC20) 60WCrV2 Cr12 KH12 SKD1 D3 BD3 X210Cr12 X200Cr12 210Cr12 Cr12MoV KH12M SKD11 - - X165CrMoV12 - - Cr12MoV - SKD11 D2 BD2 X155CrMoV12-1 X160CrMoV12 160CrMoV12 Cr5Mo1V - SKD12 A2 BA2 X100CrMoV5-1 X100CrMoV5 100CrMoV5 9Mn2V - - O2 B02 90MnCrV8 90MnV8 90MnV2 CrWMn KHVG SKS31 - - 105WCr6 105WCr5 105WCr1 9CrWMn 9KHVG SKS3 01 B01 100MnCrW4 90MnWCrV5 95MnWCr1 5CrMnMo 5KHGM - - - 40CrMnMo7 - - 5CrNiMo 5KHNM SKT4 L6 BH224/5 55NiCrMoV6 55NiCrMoV7 55NiCrMoV2 3Cr2W8V 3KH2V8F SKD5 H21 BH21 X30WCrV9-3 X30WCrV9 30WCrV9 8Cr3 8KH3 - - - - - - 4Cr3Mo3SiV 3KH3M3F - H10 BH10 X32CrMoV3-3 32CrMoV12-28 - 4Cr5MoSiV 4KH5MFS SKD6 H11 BH11 X38CrMoV5-1 X38CrMoV5 35CrMoV5 4Cr5MoSiV1 4KH5MF1S SKD61 H13 BH13 X40CrMoV5-1 X40CrMoV5 40CrMoV5 4Cr5W2VSi 4KH5V2FS - - - - - - 3Cr2Mo - - P20 BP20 35CrMo4 35CrMo8 35CrMo2 - - - - - X210CrW12 210CrW12-1 210CrW12 - - SKD4 - - X30WCrV5-3 X32WCrV5 30WCrV5 - - SKD62 H12 BH12 X37CrMoW5-1 X35CrWMoV5 - Free Cutting Steel China GB 8731-88 Russia GOST 1414-75 Japan JIS G4804-83 USA ASTM A297-93 /A108-95 British BS 970 port1-96 Germany DIN 1651-88 Franch NF A35-562-92 ISO683-988 Y12 A12 SUM 12 SUM 21 1108 1211 210M15 10S20 13MF4 10S20 Y12Pb - SUM 22L 12L13 - 10SPb20 - 10SPb20 11SMnPb28 Y15 - SUM 22 1213 G12130 230Mo7 10S20 S250Si 11SMn28 Y15Pb - SUM 24L SUM 22L 12L13 12L14 - 9SMnPb28 S300Pb 11SMnPb28 12SMnPb35 Y20 A20 SUM 32 1117 G11170 210M15 C22 C22 C22 - Y30 A30 - 1132 C30 C30 C30 35S20 Y35 A35 SUM 41 1137 G 11370 C35 C35 C35 35S20 Y40Mn A40G SUM 43 1144 G11440 226M44 - 45MF6-3 44SMn28 Y45Ca - - 1145 C45 C45 C45 - Structural Steel For Bridges China YB(T)10/81 Russia GOST 6713/91 Japan JIS G3101/95 USA ASTM A709M British Germany Franch NF A35-501/93 ISO 16q 16 SS400/ SM400C - - - S235JR - 16Mnq - SM520B/C - 40EE - - - 16MnCuq - SM490YA/YB SM520B/C - 40EE - - - 15MnVq - SS540 - - - - - 15MnVNq - SS540 - - - - - Hot Rolled Ribbed Steel Bars for Concrete Reinforcement China GB 1499/91 Russia Japan JIS G3112/87 USA British Germany Franch ISO 20MnSi - SD345 - - - - - 20MnNb - SD345 - - - - - 20MnSiV - SD390 A706M / A615M - BST420S RB400/RB400W 20MnTi - SD390 A706M / A615M - BST420S - RB400/ RB400W 25MnSi - - - - - - - 40Si2MnV - - - - - - - 45SiMnV - - - - - - - 45Si2MnTi - - - - - - - Hot Rolled Plain Steel Bars for Concrete Reinforcement China GB13013/91 Russia GOST380/94 Japan JIS G3112/87 USA British Germany Franch NF A35-015/96 ISO ISO 6935-1/91 Q235 Ct3 SR235 - - - FeE235 PB240 Steel Wires for Melt Welding China GB/T14957/94 Russia GOST 2246/70 Japan JIS G3503/ G3523 USA ANSI /AWSA 5.23/90 British Germany DIN 17145/80 Franch NF35-055/84 ISO ISO636/89 H08A Cb-08A SWY11/ SWRYI11 EL12 (K01012)/ UNS - USD7 FS10/ FME8 G1 H08E Cb-08AA SWY11/ SWRY11 - - RSD7 FS10 G1 H08C Cb-08AA SWY11/ SWRY11 - - USD5 FS10 - H08MnA Cb-08 - - - 11Mn4AL FS12 - H15A - SWY21/ SWRY21 - - - FS12 - H15Mn - - - - - FS12 - Steel Rails (>38kg/m for Railway use) China GB 2585/81 Russia GOST P510457 Japan JIS E1101/93 USA ASTM A1/92 British BS 11/85 Germany DIN 5902/68 Franch UIC 860/86 ISOISO 5003/80 U71 Contact for further detail U74 U71Cu U71Mn Seamless Steel Pipe for High Pressure Gas Cylinder China GB 13447-92 Russia GOST 4543-71 Japan JIS G3429-88 U.S.A. ASTM A372M-95 British BS EN10083:1 Germany DIN EN10083-1-96 France NF A36-211-90 ISO 40Mn2 40G2 STH11 Gr.C - - - - 40Mn2A 40G2A STH12 Cr.D - - - - 34Mn2V - STH11,12 - - - - - 30CrMo 30KHM STH21 - 30CrMo4 30CrMo4 30GrMo4 - Seamless Steel Tube for High Pressure Boilers China GB 5310-95 Russia GOST 1050-88 Japan JIS G3461-88 U.S.A ASTM A192M-91 British Germany France NF49-215-81 ISO 260412-75 20G 20 STB410 A192M - - TU42C TS9, TS9H 20MnG 20G JIS G3416-88 STB510 - BS3059 Part-2 90 440 - NF49-215-81 TU48C TS9, TS9H 25MnG 25G JIS G3461-88 STB410 - - - - - 15CrMoG - - - BS3059 Part-2 243 DIN1715-79 15Mo3 NF A36-602-88 15D3 TS26 20MoG - JIS G3462-88 STBA13 A209M-95 G1:T1a - - - - 12CrMoG - JG3462-88 STBA20 A213M-95 T2 - - NF A36-602-88 15CD2,05 - High Pressure Seamless Steel Tube for Chemical Fertilizer China GB 6479-86 Russia GOST1050-88 Japan JIS G3461-88 U.S.A. ASTM A524 British BS 3606-92 Germany DIN17175-79 France NF A49-213-90 ISO 2604/2-75 10 10 - Gr.2 320 - - TS1,2,4,5 20G 20 STB410 Gr.1 440 - TU42C,Tu42CR TS9,9H 16Mn - STB510 - - 19Mn5 - - 12CrMo GOST20072-74 12MKH JISG3462-88 STBA20 - - - TU15CD2-05 - 15CrMo 15KHM - - 620 13CrMo44 - TS32 1Cr5Mo 15KH5M STBA25 - 625 - TU12CD05-05 TS37 12Cr2Mo - STBA24 - 622 10CrMo910 TU10CD9-10 TS34 Cold Heading Steels China GB/T 6478-86 Russia GOST 10702-78 GOST 1050-88 JapanJIS G 357-91 USA ASTM A29M-93a British BS3111-1-87 Germany DIN1654-2-89 ISO 4954-93(E) ML08 08KP SWRCH 8R SWRCH 10R 1010 0/1 QST34-3 CC8X(A2R) ML10 10KP SWRCH 10R SWRCH 12R 1012 0/2 QST36-2 CC11X(A3R) ML15 15PS SWRCH 15R SWRCH 17R 1015 0/3 QST38 CC15X ML20 20PS SWRCH 17R 1020 0/4 - CC21A(A5A0) ML25 25 SWRCH 25K 1025 - - CE28E4(C2) ML30 30 SWRCH 30K SWRCH 33K 1030 - - CE28E4(C2) ML35 35 SWRCH 35K SWRCH 38K 1034 - CQ35 CE28E4(C3) ML40 40 SWRCH 38K SWRCH 40K 1040 - - CE40E4 ML45 45 SWRCH 45K SWRCH 48K 1044 - CQ45 CD45E4(C6) ML25Mn - SWRCH 30K SWRCH 33K 1030 1/1 - CD28E4(C2) ML35Mn - SWRCH 35K SWRCH 38K 1034 - CQ35 CD35E4(C3) ML40Mn 40G GOST4543-71 SWRCH 40K SWRCH 43K 1040 - - CE40E4 ML45Mn 45G SWRCH 45K SWRCH 48K 1045 BS1506-90 1/2 CQ45 CE45E4 (C6) ML15Cr 15KH - 5115 - 17Cr3 20CrE4(B10) ML20Cr 20KH - 5120 - - 20CrE4(B10) ML40Cr 40KH - 5140 3/2 37Cr4 41CrE4(16) Cold Rolled Grain-Oriented Magnetic Steel Sheet Strip Norminal Thickness (mm) China GB 2521-96 Russia GOST 21427.1-83 Japan JS G2553-86 USA ASTM A876M-92 British Germany DIN EN10107-96 ISO IEC 329-71 BS 640418.7 BSEN 10107-96 0.27 27QG100 3414 27P100 - - M103-27P M103-27P - 27QG110 3408 27P110 27P146M - M103-27P M103-27P - 27QG120 3407 27G120 27H163M - - - - 27QG130 3406 27G130 27H163M 130-275 M130-275 M130-27S C-Core 27QG140 3405 27G140 - 089-27N5 M089-27N M089-27N - 0.3 30QG110 3408 30P110 30P154M - M111-30P M111-30P - 30QG120 3408 30P120 30P154M - M117-30P M117-30P - 30QG130 3405 - 30H183M - - - C-Core 30Q130 3406 30G130 30H183M - - - C-Core 30Q140 3405 30G140 30H183M 140-30S5 M140-30S M140-30S C-Core 30Q150 3404 30G150 - 097-30-N5 M098-30N M097-30N - 0.35 35QG125 3408 35P125 - - - - C-Core 35QG135 3407 35P135 - - - - C-Core 35Q135 3407 - - - - - C-Core 35Q145 3406 35G145 - - M15035S M150-35S - Cold Rolled Steel Sheets and Strip for Deep Drawing China GB 5213-85 Russia GOST 9045-93 Japan JIS G3135-86 JIS G3141-96 U.S.A ASTM A619M-97 ASTM A620M-97 BritishBS EN10130-91 Germany DIN EN10130-91 France NF EN10130-91 ISO 3574-86(E) 08Al 08Yu SPFC340 SPFC370 A619M TypeA Fe P04 Fe P05 Fe P06 Fe P04 Fe P05 Fe P06 Fe P04 Fe P05 Fe P06 CR3 CR4 Cast Iron China Russia Japan USA British Germany France GB 1348 GOST 7293 JIS G5502 ASTM A536 BS 2789 DIN 1693 NF A32-201 QT400-18 VT38-17 FCD40 60-40-18 Cr.370-17 GGG40 FGS370-17 QT450-10 VT42-12 - 65-45-12 Cr.420-12 - FGS400-12 QT500-7 VT50-7 FCD45 80-55-06 Cr500-7 GGG50 FGS500-7 VT50-2 FCD50 QT600-3 VT60-2 FCD60 80-55-06 Cr.600-3 GGG60 FGS600-3 QT700-2 VT70-2 FCD70 100-70-03 Cr.700-2 GGG70 FGS700-2 QT800-2 VT80-2 - 120-90-02 Cr.800-2 GGG80 FGS800-2 Stainless Steel China GB 1220-92 Russia GOST 5632-72 Japan JIS G4303-91 USA ASTM A276-96 British BS970Part1 BSEN10088-1-95 Germany DIN17400-96 10088-1-95 ISO 683/13-86 TR4956/84 1Cr17Mn6Ni5N - SUS201 201 X12CrMnNiNb 17-7-5 X12CrMnNiN 17-7-5 A-2 1Cr18Mn8Ni5N 12KH17G9AH4 SUS202 202 X12CrMnNiN 18-9-5 X12CrMnNiN 18-9-5 A-3 1Cr17Ni7 - SUS301 301 BS970Part1-96 301S21 - 14 1Cr18Ni9 12KH18H9 SUS302 302 302S31 DIN17440-96 X12CrNi18-9 12 Y1Cr18Ni9 - SUS303 303 303S31 X12CrNiS18-9 17 Y1Cr18Ni9Se 12KH18H10E SUS303Se 303Se 303S42 - 17a 0Cr18Ni9 08KH18H10 SUS304 304 304S31 X5CrNi18-10 11 00Cr19Ni11 03KH18H11 SUS304L 304L 304S11 X2CrNi19-11 10 0Cr19Ni9N - SUS304N1 304N - - - 0Cr19Ni10NbN - SUS304N2 XM21 - - - 00Cr18Ni10N - SUS304LN - X2CrNiN18-10 X2CrNiN18-10 10N 1Cr18Ni12 12KH18H12T SUS305 305 X4CrNi18-12 X4CrNi18-12 13 0Cr23Ni13 - SUS309S 309S - - 15 0Cr25Ni20 - SUS310S 310S 310S31 - 16 0Cr17Ni12Mo2 08KH17H13M2T SUS316 316 316S31 X5CrNiMo17-12-2 20 20a 0Cr18Ni12Mo2Ti 08KH17H13M2T SUS316Ti 316Ti S31635 320S31 X6CrNiMoTi17-12-2 21 00Cr17Ni14Mo2 03KH17H14M2 SUS316L 316L 316S13 X2CrNiMo18-14-3 19 19a 0Cr17Ni12Mo2N - SUS316N 316N X5CrNiMo17-12-2 X5CrNiMo17-12-2 - 00Cr17Ni13Mo2N - SUS316LN 316LN X2CrNiMo17-11-2 X2CrNiMoN17-11-2 19N 19aN 0Cr18Ni12Mo2Cu2 - SUS316J1 - - - - 00Cr18Ni14Mo2Cu2 - SUS316JIL - - - - 0Cr19Ni13Mo3 08KH17H15M3T SUS317 317 316S33 X5CrNiMo17-13-3 - 00Cr19Ni13Mo3 03KH16H15M3 SUS317L 317L Part-4 317S12 X2CrNiMo18-15-4 24 0Cr18Ni16Mo5 - SUS317J1 - - - - 1Cr18Ni9Ti 12KH18H10T - 321 321S31 X6CrNitI18-10 11 0Cr18Ni10Ti 08KH18H10T SUS321 321 321S31 X6CrNiTi18-10 15 0Cr18Ni11Nb 08KH18H12B SUS347 347 347S31 X6CrNiNb18-10 16 0Cr18Ni9Cu3 SUSXM7 XM7 X3CrNiCu18-9-4 X3CrNiCu18-9-4 - 0Cr18Ni13Si4 - SUSXM15J1 XM15 - - - 0Cr26Ni5Mo2 - SUS329J1 - - - - 1Cr18Ni11Si4AlTi 15KH18H12G4TYU - - - - - 0Cr13Al - SUS405 405 405S31 X6CrAl13 5 00Cr12 - SUS410L - - - - 1Cr17 12KH17 SUS430 430 430S17 X6Cr17 8 YCr17 SUS430F - - X6CrMoS17 8a 1Cr17Mo SUS434 - X6CrMo17-1 X6CrMo17-1 9c 00Cr30Mo2 SUS447J1 - - - - 00Cr27Mo SUSXM27 XM27 - - - 1Cr12 SUS403 403 410S21 X6Cr13 3 1Cr13 12KH13 SUS410 410 410S21 X12Cr13 3 0Cr13Ae SUS405 405 403S17 X6Cr13 1 Y1Cr13 SUS416 - 416S21 - 7 1Cr13Mo SUS410J1 - - - X12CrM126 2Cr13 20KH13 SUS420J1 420 420S37 X20Cr13 4 3Cr13 30KH13 SUS420J2 420 420S37 X30Cr13 5 Y3Cr13 SUS420F - - - - 4Cr13 40KH13 - - X46Cr13 X46Cr13 - 1Cr17Ni2 14KH17H2 SUS431 431 431S29 X17CrNi16-2 96 7Cr17 SUS440A - - - - 8Cr17 SUS440B - - - - 9Cr17 95KH18 SUS440C - - - - 11Cr17 SUS440C - - - - Y11Cr17 SUS440F - - - - 9Cr18Mo SUS440C 440C - - - 9Cr18MoV - - X90CrMoV18 X90CrMoV18 - 0Cr17Ni4Cu4Nb SUS630 ASTM A564M-95 S17400 - ISO683/16-76 1 0Cr17Ni7Al 09KH17H7YU SUS631 17700 X7CrNiAL17-7 X7CrNiAl17-7 2 |
