Carbon Steels Materials

Carbon Steels

The core of our non-standard manufactured bolting, are made from Carbon based steels, either commercially available standard grades or critical released Aviation steels. Not limited to but including the following materials.

Hague Fasteners are experts in the manufacturing of Special Bolts & Nuts and General Fasteners in all carbon steels. If you need Nuts, Bolts, Studs or any other Fasteners then please send your requirements to Hague Fasteners for an immediate quotation. These specially manufactured items are used in a wide range of Industries, where the materials are selected for their superior corrosion resistance and high performance in extreme environments.

BS 970: 1955

Chemical Composition

C

%

Si

%

Mn

%

Ni

%

Cr

%

Mo

%

S

%

P

%

EN3B

0.25Max

0.35Max

1.0Max

0.06Max

0.06Max

EN1A

0.07/0.15

0.10Max.

0.80/1.20

0.20/0.30

0.07Max

EN8

0.35/0.45

0.05/0.35

0.60/1.00

0.06Max

0.06Max

EN9

0.50/0.60

0.05/0.35

0.50/0.80

0.06Max

0.06Max

EN16

0.30/0.40

0.10/0.35

1.30/1.80

0.20/0.35

0.05Max

0.05Max

EN19

0.35/0.45

0.10/0.35

0.50/0.80

0.90/1.50

0.20/0.40

0.05Max

0.05Max

EN24

0.35/0.45

0.10/0.35

0.45/0.70

1.30/1.80

0.90/1.40

0.20/0.35

0.05Max

0.05Max

 

BS 970 1991

BS 970 1955 EN

AISI/SAE

Werkstoff

070M20

EN3B

1020

1.0402

220M07

EN1A

1113

1.0711

230M07

EN1A

1213

1.0715

080M40

EN8

1040

1.1186

080A42

EN8D

1042

070M55

EN9

1055

1.0535

605M36

EN16

708M40

EN19

4140

1.7225

817M40

EN24

4340

1.6582

 

High Temperature Bolting Steels

Grade

Name

Werkstoff Number

ASTM

BS

Temperature Use

Durehete 900 T22

42CrMo5.6

1.7233

BS1506 631-850

Up to 480ºC

Durehete 950 T31

40CrMoV4.6

1.7711

ASTM A193 B16

BS1506 671-850

Up to 510ºC

Durehete 1055

T41

20CrMoVTiB4.10

1.7729

BS1506 681-820

Up to 570ºC

25CrMo4

1.7218

Up to 400ºC

21CrMoV5.7

1.7709

Up to 540ºC

42CrMo4

1.7225

ASTM A193 B7

BS1506 630-860

Up to 450ºC

 

Mechanical Properties ISO 898-1 Bolting

Grade

Material

Size Range

Tensile Strength MPa min.

Proof Strength MPa min.

Core Rockwell Hardness

Yield Strength MPa min.

Min.

Max.

4.6

Low or Medium Carbon Steel

M5 – M39

3/16” – 1-1/2”

400

225

B67

B99.5

240

8.8

Medium Carbon Steel Q+T

M5 – M16

3/16” – 5/8”

M18 – M39

11/16” – 1-1/2”

800

830

580

600

C22

C23

C32

C34

640

660

10.9

Alloy Steel Q+T

M5 – M39

3/16” – 1-1/2”

1040

830

C32

C39

940

12.9

Alloy Steel Q+T

M1.6 – M39

#0 – 1-1/2”

1220

970

C39

C44

1100

The data contained in this publication is for informational purposes only and may be revised at any time without prior notice. The data is believed to be accurate and reliable, but Hague Fasteners Limited makes no representation or warranty of any kind (express or implied) and assumes no liability with respect to the accuracy or completeness of the information contained herein. Although the data is believed to be representative of the product, the actual characteristics or performance of the product may vary from what is shown in this publication. Nothing contained in this publication should be construed as guaranteeing the product for a particular use or application.