18.1 Engineering Class Chains

This section encompasses
American Standard Chains with rollers BS29-15
American standard chains without rollers BS29-12
British standard steel conveyor chains BS4116 part 4
Metric steel conveyor chains ISO1977 DIN 8167
Metric steel conveyor chains DIN8165 (C series)

Table 18.1.1 Carbon and alloy steel comparison

EN
(UK)

AISI
(US)

ISO
(Europe)

DIN
(Germ.)

DIN No
(Germ.)

ANFOR
(France)

BS
(UK)

Rm

Ra

A5

H/T

Elements [%]

[Mpa]

[Mpa]

[%]

C

Mn

Cr

Mo

Ni

EN32

1015

C15

CK15

1.1141
1.0401

XC12

080M15

425

300

16

C

0.12-0.18

0.30-0.90

-

-

-

S235

A283C

S235

Rst37-2

-

E24-2

40A

360

235

20

N

<0.17

<1.40

-

-

-

S275

A570Gr40

S275

St44-2

-

E28-2

43A

410

275

22

N

<0.21

<1.50

-

-

-

S355

A572Gr50

S355

St52-3U

-

E355D

50A

470

355

22

N

<0.24

<1.60

-

-

-

EN8

1045

C45

CK45

1.1191

-

080A40

550

370

16

T

0.35-0.45

0.50-0.90

<0.4

<0.1

-

En18

5140

41Cr4

41Cr4

1.7035

42C4

530M40

850

700

15

T

-

-

-

-

-

EN19R

4140

42CrMo4

42CrMo4

1.7225

42CD4

709M40

700

495

15

T

0.40

0.70

1.20

0.30

-

EN19T

-

-

-

-

-

-

850

680

13

-

-

-

-

-

-

EN19W

-

-

-

-

-

-

1075

940

12

-

-

-

-

-

-

EN24T

4340

40NiCr4Mo3

34CrNiMo6

1.6582

42CD4

817M40

850

650

13

T

0.40

0.60

0.90-1.20

0.25

1.50

EN24W

-

-

-

-

-

-

1075

940

11

-

-

-

-

-

-

EN24Z

-

-

-

-

-

-

1550

1235

5

-

-

-

-

-

-

(EN36)

5120

20Cr4

20Cr4

1.7027

20MC5

590M17; 527A19

700

490

18

C

0.20

0.75

1.05

-

-

(EN362)

4118,862

18CrMo4

18CrMo4

1.7243

18CD4

805M25
708M20

630

385

26

-

0.20

0.85

0.45

0.45

-

EN354

4320

34CrNiMo6

36CrNiMo4

1.6511

35NCD6

820M17

900

700

12

T

0.38-0.43

0.60-0.80

0.70-0.90

0.20-0.30

1.65-2.00

H/T code
T – Thru-hardened
C – Case Hardened
N – Normalized
A5 – Elongation
Rm – Ultimate Tensile Strength
Ra – Yield


Table 18.1.2 Stainless steel comparison

EN
(UK)

AISI
(US)

ISO
(Europe)

DIN
(Germ.)

DIN No
(Germ.)

ANFOR
(France)

BS
(UK)

Rm

Ra

A5

HRC

TT

H/T

Elements [%]

[Mpa]

[Mpa]

[%]

max

[°C]

-

C

Mn

Cr

Mo

Ni

Si

Ti

A

u

s

t

e

n

i

t

i

c

EN58E

304

TYPE11

X5CrNi1810

1.4301

Z5CN18.09

304S50

515

205

60

-8

n/s

A

<0.08

<2.0

18.0-20.0

-

8.0-10.5

<1.0

-

-

304L

-

-

-

-

-

485

170

40

-

-

-

<0.03

-

-

-

8.0-12.0

-

-

EN58J

316

TYPE20

X5CrNiMo17-12

1.4401

Z6CND17-11

316S16

515

205

40

-7

-

-

<0.08

-

16.0-18.0

2.0-3.0

10.0-14.0

-

<0.5

-

316L

-

-

-

-

-

485

170

-

-

-

-

<0.03

-

-

-

-

-

-

M

a

r

t

e

n

s

i

t

i

c

EN56C

420

X45Cr13

X46Cr13

1.4034

Z20S13

420S37

655

345

25

23

n/s

A

0.15 min

<1.0

12.0-14.0

-

-

<1.0

-

-

-

-

-

-

-

-

1620

1420

10

48

427

T

-

-

-

-

-

-

-

-

-

-

-

-

-

-

1305

1095

15

41

538

T

-

-

-

-

-

-

-

EN57

431

X17CrNi16-2

X17CrNi16-2

1.4057

Z15CN16

431S29

850

760

11

30

n/s

A

0.12-0.22

-

15.0-18.0

-

1.25-3.0

-

-

-

-

-

-

-

-

-

1370

1030

16

44

250

T

-

-

-

-

-

-

-

-

-

-

-

-

-

-

1410

1200

16

46

480

T

-

-

-

-

-

-

-

-

440C

X105CrMo17

X105CrMo 17

1.4125

Z80CSN20.02

-

655

345

25

23

n/s

A

0.95-1.20

-

16.0-18.0

0.75

-

-

-

-

-

-

-

-

-

-

1305

1095

15

41

538

T

-

-

-

-

-

-

-

-

-

-

-

-

-

-

2030

1900

4

59

204

T

-

-

-

-

-

-

-

H/T code
T – Thru-hardened
C – Case Hardened
A – Annealed
A5 – Elongation
Rm – Ultimate Tensile Strength
Ra – Yield
TT – Tempering Temperature


Table 18.1.3 JK materials specification

 

LINK

PIN

BUSH

ROLLER

COTTER

Mat’l

H/T

[HRC]

Mat’l

H/T

[HRC] /
(depth [mm])

Mat’l

H/T

[HRC]/ (depth[mm])

Mat’l

H/T

[HRC]/ (depth[mm])

Mat’l

S

T

A

N

D

A

R

D

 

C

H

A

I

N

S

Carbon steel spec.

1040

A

24-28

1045

T

36-42

1015, 1020

C

51-56,
(0.4-0.6mm)

1040

-

36-42

1015

Alloy steel spec.

5140

T

36-42

5140

-

46-51

1020, 5120

-

-

5140, 5120

T <75mm
C >75mm

T: 46-51
C: 51-56
(0.6-0.9mm)

-

Hi-strength alloy spec.

-

-

-

4140

T/I

36-42 core/52-56
(see table 3)

8620, 4120

-

56-61,
(0.4-0.6mm)

-

T

51-56

-

Stainless

-

-

-

420 or
17-4PH

T

42-46

420 or
17-4PH

T

42-46

-

-

42-46

304

Full stainless

304

A

24-28

420 or
17-4PH

-

-

-

-

-

420

-

-

304

M series

5140

T

36-42

5140

-

46-51

5120

C

56-61
(0.4-0.6mm)

5140, 5120

T <75mm
C >75mm

T: 46-51
C: 51-56
(0.6-0.9mm)

1015

SP series

-

-

-

-

-

-

-

-

-

-

-

-

-

FV series

-

-

-

-

-

-

-

-

-

-

-

-

-

MC series

-

-

-

5120

T or C

36-42 or
51-56
Soft ends

-

-

-

-

-

-

-

HP series

-

-

-

-

-

-

-

-

-

-

-

-

-

H/T code
T – Thru-hardened
C – Case Hardened
I – Induction hardened
A – Annealed