Steel grades

Steel grades to classify various steels by their composition and physical properties have been developed by a number of standards organizations.

Contents

Comparison

Below is a table comparing steel grades from different grading systems.

Comparison of steel grades by chemistry[1][2]
EN steel number EN steel name SAE grade UNS DIN BS 970 UNI JIS
Carbon steels
1.1141
1.0401
1.0453		 C15D
C18D		 1018 CK15
C15
C16.8		 040A15
080M15
080A15
EN3B		 C15
C16
1C15		 S15
S15CK
S15C
1.0503
1.1191
1.1193
1.1194		 C45 1045 C45
CK45
CF45
CQ45		 060A47
080A46
080M46		 C45
1C45
C46
C43		 S45C
S48C
1.0726
1.0727		 35S20
45S20		 1140/1146 35S20
45S20		 212M40
En8M
1.0715
1.0736		 11SMn37 1215 9SMn28
9SMn36		 230M07
En1A		 CF9SMn28
CF9SMn36		 SUM 25
SUM 22
1.0718
1.0737		 11SMnPb30
11SMnPb37		 12L14 9SMnPb28
9SMnPb36		 230M07 Leaded
En1A Leaded		 CF9SMnPb29
CF9SMnPb36		 SUM 22L
SUM 23L
SUM 24L
Alloy steels
1.7218 4130 25CrMo4
GS-25CrMo4		 708A30
CDS110		 25CrMo4 (KB)
30CrMo4		 SCM 420
SCM 430
SCCrM1
1.7223
1.7225
1.7227
1.3563		 42CrMo4 4140/4142 41CrMo4
42CrMo4
42CrMoS4
43CrMo4		 708M40
708A42
709M40
En19
En19C		 41CrMo4
38CrMo4 (KB)
G40 CrMo4
42CrMo4		 SCM 440
SCM 440H
SNB 7
SCM 4M
SCM 4
1.6582
1.6562		 34CrNiMo6 4340 34CrNiMo6
40NiCrMo8-4		 817M40
En24		 35NiCrMo6 (KB)
40NiCrMo7 (KB)		 SNCM 447
SNB24-1-5
1.6543
1.6523		 20NiCrMo2-2 8620 21NiCrMo22
21NiCrMo2		 805A20
805M20		 20NiCrMo2 SNCM 200 (H)
Stainless steels
1.4310 X10CrNi18-8 301 S30100
1.4318 X2CrNiN18-7 301LN
1.4305 X8CrNiS18-9 303 S30300 X10CrNiS18-9 303S 31
En58M		 X10CrNiS18-09 SUS 303
1.4301 X2CrNi19-11
X2CrNi18-10		 304 S30400 X5CrNi18-9
X5CrNi18-10
XCrNi19-9		 304S 15
304S 16
304S 18
304S 25
En58E		 X5CrNi18-10 SUS 304
SUS 304-CSP
1.4306 X2CrNi19-11 304L S30403 304S 11 SUS304L
1.4311 X2CrNiN18-10 304LN S30453
1.4948 X6CrNi18-11 304H S30409
1.4303 X5CrNi18-12 305 S30500
1.4401
1.4436		 X5CrNiMo17-12-2
X5CrNiMo18-14-3		 316 S31600 X5CrNiMo17 12 2
X5CrNiMo17 13 3
X5CrNiMo 19 11
X5CrNiMo 18 11		 316S 29
316S 31
316S 33
En58J		 X5CrNiMo17 12
X5CrNiMo17 13
X8CrNiMo17 13		 SUS 316
SUS316TP
1.4404 X2CrNiMo17-12-2 316L S31603 316S 11 SUS316L
1.4406
1.4429		 X2CrNiMoN17-12-2
X2CrNiMoN17-13-3		 316LN S31653
1.4571 316Ti S31635 X6CrNiMoTi17-12 320S 33
1.4438 X2CrNiMo18-15-4 317L S31703
1.4541 321 S32100 X6CrNiTi18-10 321S 31 SUS321
1.4878 X12CrNiTi18-9 321H S32109
1.4512 X6CrTi12 409 S40900
410 S41000
1.4016 430 S43000 X6Cr17 430S 17 SUS430
440A S44002
1.4112 440B S44003
1.4125 440C S44004 X105CrMo17 SUS440C
1.4104 430F S44020 X14CrMoS17 SUS430F
1.4539 X1NiCrMoCu25-20-5 904L N08904
1.4547 X1CrNiMoCuN20-18-7 S31254
Tool steels
1.2363 X100CrMoV5 A-2 T30102[3] X100CrMoV51 BA 2 X100CrMoV5-1 KU SKD 12
A-3 T30103[4]
A-4 T30104[5]
A-6 T30106[6]
A-7 T30107[7]
A-8 T30108[8]
A-9 T30109[9]
1.2379 X153CrMoV12 D-2 X153CrMoV12-1 BD 2 X155CrVMo12-1 SKD 11
1.2510 O-1 100MnCrW4 Bo 1 95MnWCr-5 KU

References

Notes

  1. ^ "Standards comparison". http://metricmetal.com/standards_comparison.htm. Retrieved 2008-12-31. .
  2. ^ Oberg, pp. 411-412.
  3. ^ AISI A2, Efunda, archived from the original on 2010-12-25, http://www.webcitation.org/5vFGMZ1wV, retrieved 2010-12-25. 
  4. ^ AISI A3, Efunda, archived from the original on 2010-12-25, http://www.webcitation.org/5vFGQq3xA, retrieved 2010-12-25. 
  5. ^ AISI A4, Efunda, archived from the original on 2010-12-25, http://www.webcitation.org/5vFGbt3Cy, retrieved 2010-12-25. 
  6. ^ AISI A6, Efunda, archived from the original on 2010-12-25, http://www.webcitation.org/5vFGon2de, retrieved 2010-12-25. 
  7. ^ AISI A7, Efunda, archived from the original on 2010-12-25, http://www.webcitation.org/5vFGw8Bhe, retrieved 2010-12-25. 
  8. ^ AISI A8, Efunda, archived from the original on 2010-12-25, http://www.webcitation.org/5vFH565FE, retrieved 2010-12-25. 
  9. ^ AISI A9, Efunda, archived from the original on 2010-12-25, http://www.webcitation.org/5vFHCCD2B, retrieved 2010-12-25. 

Bibliography

External links