Chetak Steel, based in Hyderabad, India, being a leading manufacturer and supplier, is well-known for providing high-grade Carbon Steel Fasteners to serve the various requirements of the industries. Chetak Steel excels in designing and manufacturing high-strength fasteners for crucial applications in a range of sectors, such as construction, oil and gas, and manufacturing, through a dedicated approach to quality and precision engineering. Supported by state-of-the-art technology and highly trained human resources, the company follows international standards in its products that assure superior performance, durability, and long lifespan under harsh conditions.
Chetak Steel has made a name for itself as a leading manufacturer and supplier in Hyderabad, providing a wide array of top-notch Carbon Steel Fasteners tailored for industrial and engineering needs. The company prides itself on precision manufacturing, maintaining consistent quality, and adhering to international standards to guarantee reliable performance. With state-of-the-art production facilities and rigorous inspection processes, Chetak Steel delivers fasteners that boast impressive strength, durability, and precise dimensions. Their dedication to customer satisfaction and prompt delivery has established them as a trusted partner for fastening solutions in the construction, infrastructure, and industrial sectors.
| Standard | ASTM A193, A194 / ASME SA193, SA194 |
| Sizes | “1/4 to 4” |
| Length | UPTO 5 METERS |
| Specification | IS, BS, ASTM |
| Type | Bolts, nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, etc. |
|
BS 970: 1955 |
Chemical Composition |
|||||||
|
C % |
Si % |
Mn % |
Ni % |
Cr/strong> % |
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 |
| 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 |
| 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 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
When it comes to Carbon Steel Fasteners, they are crafted from carefully selected carbon steel grades to strike the perfect balance between strength, toughness, and machinability. Depending on the specific grade and heat treatment, these fasteners provide high tensile and yield strength, along with good ductility and wear resistance. Their mechanical properties make them ideal for both static and dynamic load scenarios. Additionally, proper surface finishes and coatings enhance their performance by boosting corrosion resistance and prolonging service life in challenging environments.
Carbon Steel Fasteners find extensive use in construction, machinery, automotive, and structural engineering projects. They are vital for assembling equipment, securing components, and ensuring structural integrity in buildings, bridges, pipelines, and industrial systems. These fasteners are also frequently utilized in power plants, refineries, and manufacturing facilities. Their versatility, cost-effectiveness, and dependable mechanical performance make carbon steel fasteners a crucial element across a wide range of industrial applications.
Chetak Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Hyderabad, India.
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