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Your Position:Home > Product > Engineering Steel

8620/1.6523/SNCM220

Update:2018/7/22 19:50:17      View:2500
  • Type:   AISI 8620, DIN 1.6523, SNCM220
  • Description:

    AISI 8620, DIN 1.6523, SNCM220

Introduction

21NiCrMo2 / 8620


Equivalence

AISI / SAE

DIN / W.Nr

JIS

GB

8620

21NiCrMo2
1.6523

SNCM220

20CrNiMo

 
Chemical Composition (%)

Steel Grade

C

Si

Mn

P

S

Cr

Mo

Ni

21NiCrMo2
1.6523

0.17
0.23

≤
0.40

0.65
0.95

≤
0.035

≤
0.035

0.35
0.70

0.15
0.25

0.40
0.70

8620

0.18
0.23

0.15
0.35

0.70
0.90

≤
0.030

≤
0.040

0.40
0.60

0.15
0.25

0.40
0.70

 
Dimensions

 

Hot Rolled

Forged

Cold Drawn

Diameter (mm)

10-260

150-1500

2.5-70

Length (mm)

4000-10000

3000-10000

3000-10000

 
Delivery Condition
EAF+LF+VD, Hot Rolled or Forged or Cold Drawn, Black surface or Machined surface (Peeled, Turned, Grinded), Untreated or Normalized, UT 100% Passed
 
Characteristics
AISI / SAE 8620 is a low alloy case-hardening steel containing nickel, chromium and molybdenum as alloying elements. The alloy shows good strength and toughness properties, and has a high core strength and good wear characteristics after case-hardening.
 
Applications
This alloy may be used in the production of medium-strength parts such as forged camshafts, fasteners and gears.
 
Steel Grades We Can offer


AISI

DIN

JIS

Stock

Application

Hot Work Tool Steel

H11

1.2343

SKD6

√

Die Casting Dies,Extrusion Dies, Hammer Dies,
Ram Dies,
Forging Dies
etc.

H13

1.2344

SKD61

√

H10

1.2365

SKD7

 

——

1.2367

——

 

L6

1.2714 / 1.2713

SKT4

√

H12

1.2606

SKD62

 

H21

1.2581

SKD5

√

Cold Work Tool Steel

D3

1.2080

SKD1

√

Cutting Tools, Punching Tools, Shear Bladers, Reamers, Thread Rolling Dies, Calipers, Sockets etc.

——

1.2601

~SKD11

√

D2

1.2379

~SKD11

√

——

1.2379 MOD

DC53 (Daido)

√

D6

1.2436

——

 

O1

1.2510

SKS3

√

O2

1.2842

——

 

A2

1.2363

SKD12

 

S1

1.2550

——

 

S7

1.2357

——

 

——

1.2767

SKT6

 

L2

1.2210

——

 

Plastic
Mould Steel

P20

1.2311

——

√

      Mold Base,           Core & Cavity,         Bumper Mold             etc.         

P20+Ni

1.2738

——

√

P20+S

1.2312

——

√

——

1.2316

——

 

420

1.2083

SUS420J2

√

——

——

NAK80 (Daido)

√

Alloy Steel

4120

25CrMo4 / 1.7218

SCM420

 

Shafts, Gears, Drillers, Chains, Bolts, Nuts, Pins, Suds, Keys, Bites, Crankshafts, Connecting Rods, Came, Couplings  etc.

4135

34CrMo4 / 1.7220

SCM435

 

4130

34CrMo4 / 1.7220

SCM430

√

4140

   42CrMo4 /        42CrMoS4 /                1.7225             

SCM440

√

4142

41CrMo4 / 1.7223

SCM440

 

4145H

——

——

 

4330V

——

——

 

4340

34CrNiMo6 / 1.6582

SNCM439

 

5115

16MnCr5 / 16MnCrS5 / 1.7131

 

 

5120

20MnCr5 / 20MnCrS5 / 1.7147

SMnC420H

 

5140

41Cr4 / 41CrS4 / 1.7035

SCr440

√

8620

21NiCrMo2 / 1.6523

SNCM220

 

8640

40NiCrMo2-2 / 1.6546

SNCM240

 

——

18CrNiMo7-6 / 17CrNiMo6 / 1.6587

——

 

9840

36CrNiMo4 / 1.6511

——

 

E71400

41CrAlMo7-10 / 1.8509

SACM1

 

——

34CrAlNi7 / 1.8550

——

 

Bearing Steel

E52100

100Cr6 / 1.3505

SUJ2

√

Bearing, Shafts
etc.

——

100CrMn6 / 1.3520

——

 

——

100CrMo7-3 / 1.3536

——

 

Spring Steel

5155

55Cr3 / 1.7176

SUP9

 

Springs

6150

51CrV4 / 1.8159

SUP10

 

9261

60CrSi7 / 1.7108

——

 

Carbon Steel

1010

CK10 / C10E / 1.1121

S10C

 

Shafts, Chains, Bolts, Nuts, Pins, Suds, Keys, Bites, Came, Couplings  etc.

1020

C22 / 1.0402

S20C

√

1040

CK40 / C40E / 1.1186

S40C

√

1045

CK45 / C45E / 1.1191

S45C

√

1050

CK50 / C50E / 1.1206

S50C

√

1055

CK55 / C55E / 1.1203

S55C

 

1064

CK60 / C60E / 1.1221

S58C

 

High Speed Tool Steel

M2

1.3343

SKH51

√

Reamer,
      End-mill,         
Hob, Cutter, Bite, Drill, Punch, Tap, Brooch
etc.

M7

1.3348

——

 

M42

1.3247

SKH59

√

M35

1.3243

SKH55

√

T1

1.3355

SKH2

 

T15

1.3202

——

 

T42

1.3207

SKH57

 

 
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18CrNiMo7-6/17CrNiMo6/1.6587
4140/1.7225/SCM440
16MnCr5/20MnCr5
4340/1.6582/34CrNiMo6/EN24
41Cr4/1.7035/SCr440/40Cr
52100/1.3505/SUJ2/EN31/100Cr6/GCr15
17CrNiMo6/1.6587/18CrNiMo7-6
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