Steel For Boilers And Pressure Vessels

Comparison table of various Chinese grades of boiler and pressure vessel steel with EN, ASME/ASTM, ISO, and JIS standards

GB/T 713.2 ISO 9328:2018 EN 10028:2017 ASMEⅡ-A-2021
Q245R P265GH P265GH SA516Gr.60
Q345R P355GH、P355NH P355GH、P355NH SA516Gr.70
Q370R P355NH、P355N、P355NL1 P355NH、P355N、P355NL1 　
Q420R P420NH、P420NL1 P420NH、P420NL1 SA612、SA737
Q460R P460NH、P460NL1 P460NH、P460NL1 　
18MnMoNbR — — 　
13MnNiMoR 　 　 —
15CrMoR 13CrMo4-5 13CrMo4-5 SA387 Gr.12
14Cr1MoR 13CrMoSi5-5 13CrMoSi5-5 SA387 Gr.11
12Cr2Mo1R 12CrMo9-10 12CrMo9-1C SA387 Gr.22
12Cr1MoVR 　   —
12Cr2Mo1VR 13CrMoV9-10 13CrMoV9-10 SA542 TypeD
07Cr2AlMoR     —
GB/T 713.3 EN 10028-3:2017 EN 10028-4:2017
16MnDR 　 　
Q420DR P420NL1 　
Q460DR P460NL1 　
13MnNiDR 　 13MnNi6-3
09MnNiDR 　 11MnNi5-3
GB/T 713 DNV Specification 2021 ISO 9328-4:2018 EN 10028-4:2017 JIS G 3127:2021 ASTM A203/A203M-17 ASTM A553/A553M-17
08Ni3DR NV3.5Ni 12Ni14 12Ni14 SL3N255
SL3N275
SL3N440		 3.50%Ni Class D
3.50%Ni Class E
3.50%Ni Class F		 一
07Ni5DR NV5Ni/a X12Ni5 X12Ni5 SL5N590 一 一
06Ni7DR 一 X6Ni7 一 SL7N590 一 7%Ni
06Ni9DR NV9Ni/a X7Ni9 X8Ni9 X7Ni9 SL9N590 一 9%Ni
GB/T 713 ISO 9328-6:2018 JIS G 3115:2016 ASME SA-533/SA-533M—2021
Q490R P500Q、P500QH SPV490 一
Q490DRL1 P500QL1 一 一
Q490DRL2 P500QL2 — 一
Q490RW 一 SPV490 一
Q580R 一 一 SA-533 Type B Cl 3
Q580DR 一 一 SA-533 Type E Cl 3
Q690R P690Q、P690QH 一 —
Q690DR P690QL1 一 一

Weathering Steel

Comparison table of various Chinese grades of weathering steel with EN, ASME/ASTM, ISO, and JIS standards.

GB/T 4171-2008 ISO 4952:2006 ISO 5952:2005 EN 10025-5:2004 JIS G 3114:2004 JIS G 3125:2004 ASTM
A242M-04 A588M-05 A606-04 A871M-03
Q235NH S235W HSA235W S235J0W S235J2W

SMA400AW

 SMA400BW

SMA400CW

 - - - - -
Q295NH - - - - - - - - -
Q295GNH - - - - - - - - -
Q355NH S355W HSA355W2 S355J0W S355J2W S355K2W SMA490AW SMA490BW SMA490CW - - Grade K - -
Q355GNH 09CuPCrNi S355WP HSA355W1 S355J0WP S355J2WP - SPA-H Type1 - - -
Q415NH S415W - - - - - - - 60
Q460NH S460W - - SMA570W SMA570P - - - - 65
Q500NH - - - - - - - - -
Q550NH - - - - - - - - -
Q265GNH - - - - - - - - -
Q310GNH - - - - SPA-C 　 - Type4 -

Wind Power Steel

Comparison table of various Chinese grades of wind power steel with EN, ASME/ASTM, ISO standards. Click the grade behind the steel grade, such as B, C, to view corresponding performance

GB/T 28410-2012 ASTM A709-05 EN 10025
Q235FT B/C/D/E — S235
Q275FT C/D/E/F A709GR36 S275
Q345FTC/D/E/F A709GR50 S355
Q420FT C/D/E/F — S420 Q460FT C/D/E/F A709GR70 S460 Q550FT D/E S550 Q620FTD/E A709GR100 S690 Q690FT D/E

High-strength Steel

Comparison table of Chinese high strength structural steel plates in the quenched and tempered condition (GB/T 16270) with EN and ISO standards. (Based on GB/T 16270—2009 Appendix A)

GB/T 16270—2009 EN 10025-6:2004(E) ISO 4950.3-2003
Q460C — —
Q460D S460Q E460DD
Q460E S460QL E460E
Q460F S460QL1 —
Q500C — —
Q500D S500Q —
Q500E S500QL —
Q500F S500QL1 —
Q550C — —
Q550D S550Q E550DD
Q550E S550QL E550E
Q550F S550QL1 —
Q620C — —
Q620D S620Q —
Q620E S620QL —
Q620F S620QL1 —
Q690C — —
Q690D S690Q —
Q690E S690QL E690DD
Q690F S690QL1 E690E
Q800C — —
Q800D — —
Q800E — —
Q800F — —
Q890C — —
Q890D S890Q —
Q890E S890QL —
Q890F S890QL1 —
Q960C — —
Q960D S960Q —
Q960E S960QL —
Q960F — —

Bridge Steel

Comparison table of Chinese bridge structural steel grades (GB/T 714) with ASTM, EN standards. (Based on GB/T 714—2025 Appendix B)

GB/T 714—2025 ASTM A709-21 EN 10025-3:2019 EN 10025-4:2019 EN 10025-6:2019
Q345q 50[345]
50W[345W]
HPS 50W[HPS 345W]		 S355N, S355NL S355M, S355ML —
Q370q — — — —
Q390q — — — —
Q420q — — S420M, S420ML —
Q460q HPS 70W[HPS 485W] — S460M, S460ML S460Q, S460QL, S460QL1
Q500q — — S500M, S500ML S500Q, S500QL, S500QL1
Q550q — — — S550Q, S550QL, S550QL1
Q620q — — — S620Q, S620QL, S620QL1
Q690q HPS 100W[HPS 690W] — — S690Q, S690QL, S690QL1

Pipeline Steel

GB/T 21237-2021 GB/T9711、ISO3183
Quality grade is PSL1 A/L210 A/L210
B/L245 B/L245
X42/L290 X42/L290
X46/L320 X46/L320
X52/L360 X52/L360
X56/L390 X56/L390
X60/L415 X60/L415
X65/L450 X65/L450
X70/L485 X70/L485
Quality grade is PSL2 L245R/BR、L245N/BN、L245Q/BQ、L245M/BM L245R/BR、L245N/BN、L245Q/BQ、L245M/BM、
L290R/X42R、L290N/X42N、L290Q/X42Q、L290M/X42M L290R/X42R、L290N/X42N、L290Q/X42Q、L290M/X42M
L320N/X46N、L320Q/X46Q、L320M/X46M L320N/X46N、L320Q/X46Q、L320M/X46M
L360N/X52N、L360Q/X52Q、L360M/X52M L360N/X52N、L360Q/X52Q、L360M/X52M
L390N/X56N、L390Q/X56Q、L390M/X56M L390N/X56N、L390Q/X56Q、L390M/X56M
L415N/X60N、L415Q/X60Q、L415M/X60M L415N/X60N、L415Q/X60Q、L415M/X60M
L450Q/X65Q、L450M/X65M L450Q/X65Q、L450M/X65M
L485Q/X70Q、L485M/X70M L485Q/X70Q、L485M/X70M
L555Q/X80Q、L555M/X80M L555Q/X80Q、L555M/X80M
L625M/X90M L625M/X90M
L690M/X100M L690M/X100M
L830M/X120M L830M/X120M

Cold-rolled Enamel Steel

GB/T 13790-2008 EN 10209 2023 JIS G 3133 2004 ISO5001:1999 ASTM A424-06
DC01EK DC01EK — VE01 Type Ⅱ-CS
DC03EK DC04EK — VE03 Type Ⅱ-DS
DC05EK DC06EK SPP VE05 Type Ⅲ

Wear-resistant Steel

GB/T 24186-2009 EN 10025-6:2019 & EN 10025-2:2019 ASTM A514/A514M-2020 JIS G 3106-2015
NM360 S355J2G2 A572 Gr.50 JFE-EH360
NM400 S690QL A514 Gr.B JFE-EH400
NM450 S890QL A514 Gr.E JFE-EH450
NM500 S960QL A514 Gr.F JFE-EH500

Structural Steel

GB/T 1591

 EN 10025-2 ASTM A572M-2007
Q355B S355JR Gr.50
Q355C S355J0 Gr.50
Q355D S355J2 Gr.50
Q355E S355K2 Gr.50
GB/T 1591 ISO630 2:2011 ISO630 3:2012 EN10025 2:2004 EN10025 3:2004 EN10025 4:2004
Q355B(AR) S355B — S355JR — —
Q355C(AR) S355C — S355J0 — —
Q355D(AR) S355D — S355J2 — —
Q355NB — — — — —
Q355NC — — — — —
Q355ND — S355ND — S355N —
Q355NE — S355NE — S355NL —
Q355NF — — — — —
Q355MB — — — — —
Q355MC — — — — —

Marine Steel

Classification Society Standards (ABS, BV, CCS, DNV, KR, LR, NK, RINA, RS)

Grade Classification Society Standards
ABS BV CCS DNV KR LR NK RINA RS
A AB/A BVA CCSA NVA KRA LRA KA RINA-A PC A
B AB/B BVB CCSB NV B KRB LRB KB RINA-B PC B
D AB/D BVD CCSD NV D KRD LRD KD RINA-D PC D
E AB/E BVE CCSE NV E KRE LRE KE RINA-E PC E
AH32 AB/AH32 BVAH32 CCSAH32 NV A32 KRAH32 LRAH32 KA32 RINA-AH32 PC A32
DH32 AB/DH32 BVDH32 CCSDH32 NV D32 KRDH32 LRDH32 KD32 RINA-DH32 PC D32
EH32 AB/EH32 BVEH32 CCSEH32 NV E32 KREH32 LREH32 KE32 RINA-EH32 PC E32
FH32 AB/FH32 BVFH32 CCSFH32 NV F32 KRFH32 LRFH32 KF32 RINA-FH32 PC F32
AH36 AB/AH36 BVAH36 CCSAH36 NV A36 KRAH36 LRAH36 KA36 RINA-AH36 PC A36
DH36 AB/DH36 BVDH36 CCSDH36 NV D36 KRDH36 LRDH36 KD36 RINA-DH36 PC D36
EH36 AB/EH36 BVEH36 CCSEH36 NV E36 KREH36 LREH36 KE36 RINA-EH36 PC E36
FH36 AB/FH36 BVFH36 CCSFH36 NV F36 KRFH36 LRFH36 KF36 RINA-FH36 PC F36
AH40 AB/AH40 BVAH40 CCSAH40 NV A40 KRAH40 LRAH40 KA40 RINA-AH40 PC A40
DH40 AB/DH40 BVDH40 CCSDH40 NV D40 KRDH40 LRDH40 KD40 RINA-DH40 PC D40
EH40 AB/EH40 BVEH40 CCSEH40 NV E40 KREH40 LREH40 KE40 RINA-EH40 PC E40
FH40 AB/FH40 BVFH40 CCSFH40 NV F40 KRFH40 LRFH40 KF40 RINA-FH40 PC F40