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.