Category

structural alloy steel
ITEM JIS DIN(W-Nr.) USA BS NF ГОСТ ISO
ASTM SAE
(1)
manganese
steel
group
              09Г2  
10Mn2   1513   1513     10Г2  
15Mn2             15Г2  
20Mn2   1024 1024 1524
(1024)
150M19   20Г2  
30Mn2 28Mn6(1.5065),
30Mn5(1.5066)
1330 1330 1330 150M28   30Г2  
35Mn2 36Mn5(1.5067) 1335 1335 1335 150M36   35Г2  
40Mn2   1340 1340 1340     40Г2  
45Mn2   1345 1345 1345     45Г2  
50Mn2   1052 1052 1552
(1052)
    50Г  
(2)
Silicon manganese
Steel group
              27CГ  
35SiMn 37MnSi5(1.5122)           35CГ  
42SiMn 46MnSi4(1.5121)           43CГ  
15MnV 15MnV5(1.5213)              
(3) manganese vanadium steel group   42MnVT(1.5223)              
(4)
chromium
steel
group
SCr415(SCr21)   5115   5115   12C3 15X  
20Cr   5120 5120 5120 527A19,
527M20
18C3 20X R683/Ⅺ4
30Cr   5130,
5132
5130,
5132
5130,
5132
530A30,
530A32
32C4 30X  
35Cr 34Cr4(1.7033),
37Cr4(1.7034)
5135 5135 5135 530A36 38C4 35X R683/Ⅶ2
40Cr 41Cr4(1.7035) 5140 5140 5140 530A40,
530M40
42C4 40X R683/Ⅶ3
45Cr   5147,
5145
5147,
5145
5147,
5145
  45C4 45X  
50Cr   5150 5150 5150     50X  
(5) chromium silicon steel group               38XC  
40CrSi             40XC  
(6) chromium manganese steel group             16MC5 15XГ,
18XГ
 
15CrMn 20MnCr4(1.7147)         20MC5 20XГ  
40CrMn             40XГ  
 
ITEM JIS DIN(W-Nr.)   BS NF ГОСТ ISO
ASTM SAE
(7)
Chromium manganese
Silicon steel group
              20XГC  
25CrMnSi             25XГC  
30CrMnSi             30XГC  
35CrMnSi             35XГCA  
(8)
Chromium vanadium
Steel group
  22CrV4(1.7513)           20Xψ  
40CrV 42CrV6(1.7561)           40XψA  
50CrV 50CrV4(1.8159) 6150 6150 6150 735A50 50CV4 50XψA  
(9) titanium chromium manganese steel group               30XГT  
(10) MuGang group   15Mo3(1.5415)           16M  
(11)
chromium
molybdenum
steel
group
  13CrMo44(1.7335)       1501-620Gr·27 12CD4 12XM  
15CrMo 16CrMo44(1.7337) A387Cr
·12
      12CD4 15XM  
20CrMo 25CrMo4(1.7218)         18CD4
20CD4
20XM  
30CrMo 34CrMo4(1.7220) 4130 4130 4130   30CD4 30XM  
35CrMo 34CrMo4(1.7220) 4135 4135 4135 708A37 35CD4 35XM R683/Ⅱ2
42CrMo 42CrMo4(1.7225) 4140 4140 4140 708M40,
708A42,
709M40
42CD4   R683/Ⅱ3
                R683/Ⅺ7
    4118 4118 4118        
  50CrMo4(1.7228) 4145 4145 4145        
  25CrMo4(1.7218)         25CD4    
38CrMoAl 34CrAlMo5(1.8507)       905M39   38XMюA R683/Ⅹ4
(12)
Chromium manganese
MuGang group
  15CrMo5(1.7262)              
20CrMnMo 20CrMo5(1.7264)           18XГM  
40CrMnMo   4140 4140 4140 708A42   40XГM,
38XГM
 
(13)
Chromium manganese
Vanadium steel group
  24CrMoV55(1.7733)           12XMψ
12X1Mψ
35ψMψA
 
 
 
ITEM JIS DIN(W-Nr.)   BS
NF

ГОСТ
ISO
ASTM SAE
(14)
nickel
chromium
steel
group
SNC415
(SNC21)
          10N11,
16NC11
12XH2  
12CrNi3A 14NiCr10(1.5732)     (3415) 665M13 10NC12,
14NC12
12XH3A  
12Cr2Ni4A     (E3310),
(E3316)
(3310),
3316
  12NC15 12X2H2A  
20CrNi     (3120) (3120) 635M15 20NC6 20XH  
20CrNi3A           20NC11 20XH3A  
20Cr2Ni4A       (3325)   30NC14 20X2H4A  
30CrNi3A       (3435) 653M31 30NC11,
30NC12
30XH3A  
37CrNi3A       (3335)   35NC15    
40CrNi     (3140) (3140) 640M40 35NC6 40XH  
45CrNi     (A3145) (3145)     45XH  
(15)
nickel
chromium
molybdenum
steel
group
 
SNCM439
(SNCM8)
  4340 4340,
(4337)
4340,
4337
817M40,
816M40
  40XMA R683/Ⅲ4
    8620 8620 8620 805M20 20NCD2   R683/Ⅺ12
    8640 8640 8640 945M38,
945A40
    R683/Ⅷ1
      4315          
    4320 4320 4320        
      (4337) (4337)        
      4347          
          830M31      
          835M15     R683/Ⅺ14
(16)
boron
steel
group
      TS14B35          
40B     50B36H          
40MnB     TS14B35H          
40MnB     TS14B50H