Technical Specifications

Standard
Class
JIS(Japan)
N0 N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11 N12
JIS-B1702-02(new)
JGMA(Japan)
        1 2 3 4 5 6 7 8  
JIS(Japan)
        0 1 2 3 4 5 6 7 8
JIS-B1702(old)
PRC(China)
0 1 2 3 4 5 6 7 8 9 10 11 12
GB10095~1009
ISO ( International)
0 1 2 3 4 5 6 7 8 9 10 11 12
DIN(Germany)
  1 2 3 4 5 6 7 8 9 10 11 12
 3960~3967
GOST(USSR)
      3 4 5 6 7 8 9 10 11 12
BS(UK)
          A1 A2 B C D      
FN(France)
        A B C D E        
ANSI(USA)
          4 3 2 1        
AGMA(USA)
    16 15 14~13 12 10 10 8        

Vickers
Hv
HB
Rockwell
Rockwell Super-ficial
Shore
Hs
Temsile
Stemgth
KG/mm2
HRA
HRB
HRC
HRD
15-N
30-N
45-N
940   85.6   68.0 76.9 93.2 84.4 75.4 97  
920   85.3   67.5 76.5 93.0 84.0 74.8 96  
900   85.0   67.0 76.1 92.9 83.6 74.2 95  
880   84.7   66.4 75.7 92.7 83.1 73.6 93  
860   84.4   65.9 75.3 95 82.7 73.1 92  
840   84.1   65.3 74.8 92.3 82.2 72.2 91  
820   83.8   64.7 74.3 92.1 81.7 71.8 90  
800   83.4   64.0 73.8 91.8 81.1 71.0 88  
780   83.0   63.3 73.3 91.5 80.4 70.2 87  
760   82.6   62.5 72.6 91.2 79.7 69.4 86  
740   82.2   61.8 72.1 91.0 79.1 68.6 84  
720   81.8   61.0 71.5 90.7 78.4 67.7 83  
700   81.3   60.1 70.8 90.3 77.6 66.7 81  
690   81.1   59.7 70.5 90.1 77.2 66.2    
680   80.8   59.2 70.1 89.8 76.8 65.7 80  
670   80.6   58.8 69.8 89.7 76.4 65.3    
660   80.3   58.3 69.4 89.5 75.9 64.7 79  
650   80.0   57.8 69.0 89.2 75.5 64.1    
640   79.8   57.3 68.7 89.0 75.1 63.5 77  
630   79.5   56.8 68.3 88.8 74.6 63.0    
620   79.2   56.3 67.9 88.5 74.2 62.4 75  
610   78.9   55.7 67.5 88.2 73.6 61.7    
600   78.6   55.2 67.0 88.0 73.2 61.2 74  
590   78.4   54.7 66.7 87.8 72.7 60.5   210
580   78.0   54.1 66.2 87.5 72.1 59.9 72 206
570   77.8   53.6 65.8 87.2 71.7 59.3   202
560   77.4   53.0 65.4 86.9 71.2 58.6 71 199
550 (505) 77.0   52.3 64.8 86.6 70.5 57.8   194
540 (496) 76.7   51.7 64.4 86.3 70.0 57.0 69 190
530 (488) 76.4   51.1 63.9 86.0 69.5 56.2   186
520 (480) 76.1   50.5 63.5 85.7 69.0 55.6 67 183
510 (473) 75.7   49.8 62.9 85.4 68.3 54.7   179
500 (465) 75.3   49.1 62.2 85.0 67.7 53.9 66 174
490 456 74.9   48.4 61.6 84.7 67.1 53.1   169
480 448 74.5   47.7 61.3 84.3 66.4 52.2 64 165

Type of Steel
Name
JIS (Japan)
AISI/SAE (USA)
DIN (Germany)
GB (China)
Low carbon (steel bar) Round steel bar SS400
(5541)
A36 - Q235
Low carbon steel S15C SAE 1015 CK15
(1.1141)
15
S20C SAE 1021 CIC20
(1.0402)
20
Medium carbon steel Medium carbon steel S45C SAE 1045 CK45, C45
(1.0503)
45
S50C SAE 1050 CK50
(1.1213)
50
S55C SAE 1055 CK55
(1.1203)
55
Cr-Mo alloy steel Round steel bar SCM415
(SCM21)
- 15CrMo5
(1.7262)
15CrMo
Round steel bar SCM420
(SCM22)
- 25CrMo4
(1.7218)
20CrMo
Round steel bar SCM440
(SCM4)
SAE 4140 42CrMo4
(1.7225)
42CrMo
Ni-Cr-Mo alloy steel Round steel bar SNCMno
(SNCM21)
SAE 8620 21NiCrMo2
(1.6523)
20CrNiMo
Round steel bar (with high nickel content) SNCM420
(SNCM23)
SAE 4320   20CrNi2Mo
Round steel bar SNCM439
(SNCM8)
SAE 4340 40NiCrMo6 40CrNiMo4
Pinion steel   _ 17CrNiMo6
18CrNiMo7-6
_
Al-Cr-Mo alloy steel Round steel bar SACM645
(SACM1)
SAE 7140 41CrAlMo7
(1.8550)
38CrMoAl
High-carbon chromium alloy steel Bearing steel SUJ2 52100 (110Cr6
.30505)
GCr15
Alloy tool steel Cold work tool steel SKD11 D2 X165CrMoV12
(1.2601)
Cr12MoV
Hot work tool steel SKD61 H13 X40CrMoV51
(1.2344)
4Cr5MoSiV1
High-speed steel SKH51
(SKH9)
M2 56-5-2
(1.3343)
W6Mo5Cr4V2
Carbon tool steel Round steel bar SK 2
(SK 120)
W1-111/2   -
SK 3
(SK 105)
W1-10 C1051,V1
(1.1545)
-
Stainless steel 303 stainless steel SUS303 A1SI 303 Xl2CrNi5188
(1.4305)
1Cr18Ni9MoZr
304 stainless steel SU5304 AISI 304 X5CrNi189
(1.4350)
OCr181119
316 stainless steel SUS316 AISI 316 X5CrNiMo1810
(1.4401)
OCr17Ni1Mo2

朝嘉興業股份有限公司

電話:049-2254-288 / 049-2254-225 ( 巨世通 )

傳真:049-2254-188

信箱:sales@chaochia.com.tw

           Gstone@chaochia.com.tw ( 巨世通 ) 

540 南投縣 南投市 南崗三路300號

朝嘉兴业股份有限公司

电话:049-2254-288 / 049-2254-225 ( 巨世通 )

传真:049-2254-188

信箱:sales@chaochia.com.tw

           Gstone@chaochia.com.tw  ( 巨世通 )

540 南投县 南投市 南岗三路300号

CHAOCHIA CO., LTD.

T : +886-49-2254-288

F : +886-49-2254-188

Email : sales@chaochia.com.tw

No.300, Nangang 3rd Rd., Nantou City, Nantou County 540, Taiwan (R.O.C)

© 2022 朝嘉興業股份有限公司 CHAOCHIA CO., LTD.