Comparison of Carbon Structural Steel Grades（1）
| China | U.S | Germany | Japan | France | UK | International |
| GB700 | ASTM | DIN 17100 |
JIS | NF A35-501 |
Nonsense 4360 |
ISO 630/1052 |
| Q195 | St33 （St33-1） |
G3113-87 SAPH32 |
A33 | Fe310-0 | ||
| St33 (St33-2) |
G3113-87 SAPH32 |
A33 | Fe310-0 | |||
| Q215 | A283GRB | (RSt34-1） | G3112-87 SPHT2 |
A34-2 | ||
| A113GRB A283GRB |
(USt34-1) | G3101-87 SS34 |
A342-1 | |||
| AA306GR50 A283GRB |
(RSt34-2) | G3112-87 SPHT2 |
A34-2 | |||
| A113GRB A283GRB |
(USt3-2) | G3101-87 SS34 |
A34-2 | |||
| Q235 | A283GRC A306GR55 |
RSt37-2 (RSt37-2) |
G3113-87 SAPH38 |
E24-2 (A37-2) |
Fe360B | |
| A284GRB | USt37-2 (USt37-2) |
G3113-87 SAPH38 |
E24-1 (A37-1) |
Fe360B | ||
| A283GRC A306GR55 |
St37-3 (Est37-3) |
G3113-87 SAPH38 |
E24-3 (A37-3) |
Fe360D | ||
| A284GRB | USt37-2 (USt37-2) |
G3113-87 SAPH38 |
E24-2 (A37-2) |
Fe360C | ||
| Q255 | A36GRB A131GBR A573GRB |
(RSt42-2) | G3106-88 SM41B |
E26-2 (A42-2) |
GR40C GR43C |
Fe430B |
| A36GRD A131GRD A283GRD |
(USt42-2) | G3101-87 SS41 |
E26-1 (A42-1) |
GR40A GR43A |
Fe430C | |
| A36GRB A131GBR A573GRB |
St44-3 (St42-3) |
G3106-88 SM41B |
E26-3 (A42-3) |
GR40C GR43C |
Fe430D | |
| A36GD A131GRD A283GRD |
(USt42-2) | G3106-88 SM41A |
E26-3 (A42-3) |
GR40A GR43A |
Fe430A | |
| Q275 | A573GR70 | St50-2 (St50-1) |
G3106-88 SM50A |
A50-2 | GR50A | 1052 Fe490 |
| A573GR70 | St50-2 (St50-2) |
G3106-88 SM50A |
A50-2 | GR50A | 1052 Fe490 |
Comparison of Carbon Structural Steel Grades（2）
| China | U.S | Germany | Japan | France | UK | International |
| GB699 | AISI | DIN | JIS | NF A35-501 | BS 4360 | ISO630/1052 |
| 08F | USt14 | SPH1 | ||||
| 10ºF | USt13 | SPH2 | ||||
| 15ºF | SPH3 | |||||
| 08 | 1008 | S9CK | 140A04 050A04 |
|||
| 10 | 1010 | C10 CK10 |
S10C | C10 XC10 |
040A10 045A10 060A10 |
|
| 15 | 1015 | C15 CK15 |
S15CS15CK | C15 XC15 |
040A15 050A15 060A15 |
|
| 20 | 1020 | C22 CK22 |
S20CS20C | C20 XC18 |
040A20 050A20 060A20 |
|
| 25 | 1025 | C25 CK25 |
S25C | C25 XC25 |
060A25 070M26 |
C25 C25E4 C25M2 |
| 30 | 1030 | C30 CK30 |
S30C | C30 XC32 |
060A30 | (C30) (C30E4) (C30M2) |
| 35 | 1035 | C35 CK35 |
S35C | C35 XC35 |
060A35 | C35 C35E4 C35M2 |
| 40 | 1040 | C40 CK40 |
S40C | Chapter 42 XC42 |
060A40 | (C40) (C40E4) (C40M2) |
| 45 | 1045 | C45 CK45 |
S45C | C45 XC45 |
060A42 060A47 |
C45 C45E4 C45M2 |
| 50 | 1049 1050 |
C50 CK50 |
S50C | C50 XC48 |
060A52 | (C50) (C50E4) (C50M2) |
| 55 | 1055 | Chapter 55 CK55 |
S55C | Chapter 55 XC55 |
060A57 070M35 |
Chapter 55 C55E4 C55M2 |
| 60 | 1060 | C60 CK60 |
S58C | C60 XC60 |
060A62 | C60 C60E4 C60M2 |
| 65 | 1064 1065 |
Chapter 67 CK67 |
C65 XC65 |
060A67 | ||
| 70 | 1069 1070 |
C70 CK70 |
C70 XC70 |
060A72 070A72 |
||
| 75 | 1074 1075 |
C75 CK75 |
XC75 | 060A78 070A78 |
||
| 80 | 1080 | CK80 | XC80 | 060A83 | ||
| 85 | 1084 1085 |
CK85 | XC85 | 050A86 060A86 |
||
| 15 minutes | 1016 | 14Mn4 15Mn3 |
XC12 | 080A15 080A17 |
||
| 20 minutes | 1019 1022 |
19Mn5 20Mn5 21Mn4 |
XC18 | 080A20 080A22 |
||
| 25 minutes | 1025 1026 |
26Mn5 | 080A25 080A27 |
|||
| 30 minutes | 1033 | 30Mn4 31Mn4 30Mn5 |
XC32 | 080A30 080M30 |
||
| 35 minutes | 1037 | 35Mn4 35Mn5 |
080A35 080M36 |
|||
| 40 minutes | 1039 | 40Mn4 | 40M5 | 080A40 080M40 |
||
| 45 minutes | 1046 | 46Mn5 | 080A47 080M46 |
|||
| 50 minutes | 1051 1053 |
50Mn5 52Mn5 |
XC48 | 080M50 080A52 |
||
| 60Mn | 1061 1062 |
CK60 | 080A62 080A57 |
|||
| 65 minutes | 1066 | 65Mn4 | 080A67 | |||
| 70 minutes | 1572 | 080A72 |
