China Inconel Bolts Inc. is a leading Carbon Steel Fasteners Manufacturer in India, producing a wide range of carbon steel fasteners in various sizes, grades, and scales. We carry a wide range of Carbon Steel Fasteners materials and grades, as well as high-strength and exotic alloys, all of which have been tested to meet SAE, ASTM, ASME, and ISO specifications. We are the world’s leading manufacturer and retailer of Industrial Carbon Steel Fasteners like Carbon Steel Bolts, Carbon Steel Screws, Carbon Steel Nuts, and Carbon Steel Washers at the most competitive prices.
Carbon Steel Fasteners are designed in compliance with high-quality carbon steel. However, carbon steel offers smooth functioning, durability, and strength. Moreover, Carbon Steel Fasteners consider outstanding abrasion resistance and corrosion resistance to a corrosive atmosphere. Carbon Steel Fasteners reacts to various heat treatments among brittleness and hardening. Carbon Steel Fasteners can be easily machined and forged. Therefore Carbon Steel Fasteners also exhibit superior resistance to stagnant pressure and high temperature. We also supply the same in various materials like High Tensile Fasteners, Inconel Fasteners, etc.
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 |
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 |
Carbon Steel Screws Type
|
SIZE
|
GRADE
|
ASME
|
ISO
|
ASTM
|
---|---|---|---|---|---|
Socket Head Cap Screws
|
M1.6 to M64
|
12.9
|
B18.3.1 M
|
4762
|
A574M
|
Socket Low Head Cap Screws
|
M4 to M20
|
10.9
|
|||
Socket Head Shoulder Screws
|
M6 to M24
|
012.9
|
B18.3.3M
|
||
Countersunk Socket Head Screws
|
M3 to M20
|
012.9
|
B18.3.5M
|
10642
|
F835M
|
Button Head Socket Screws
|
M3 to M12
|
012.9
|
B18.3.4M
|
7380
|
F835M
|
Flange Button Head Socket Screws
|
M3 to M10
|
012.9
|
F835M
|
||
Knurled Point Socket Set Screws
|
M3 to M20
|
45H
|
B18.3.6M
|
4029
|
F912M
|
Flat Point Socket Set Screws
|
M6 to M12
|
45H
|
B18.3.6M
|
4026
|
F912M
|
Dog Point Socket Set Screws
|
M3 to M20
|
45H
|
B18.3.6M
|
4028
|
F912M
|
Cone Point Socket Set Screws
|
M3 to M12
|
45H
|
B18.3.6M
|
4027
|
F912M
|
Plain Point Socket Set Screws
|
M3 to M20
|
45H
|
B18.3.6M
|
4029
|
F912M
|
Taper Pressure Plug
|
M8 to M22
|
–
|
Carbon Steel Bolt Type
|
SIZE
|
PROPERTY CLASS
|
TENSILE STRENGTH
|
STANDARD
|
---|---|---|---|---|
Carbon Steel Hex Head Bolt / Screws
|
M4 to M80
|
10.9
|
1040N / mm2 min
|
ISO 4017 (Full Thread)
ISO 4014 (Half Thread) |
Carbon Steel Nuts Type
|
SIZE
|
PROPERTY CLASS
|
STANDARD
|
---|---|---|---|
Hex Nut
|
M6 to M42
|
10
|
ISO 4032
|
Nylock Nut
|
M6 to M20 (Gr.8)
M10 to M24 (Gr.10) |
8 & `10
|
DIN 982
|
Nylock Nut
|
M6 to M20 (Gr.8)
M10 to M24 (Gr.10) |
8 & 10
|
DIN 985
|
Hex Weld Nut
|
M6 to M12
|
8
|
DIN 929
|
Carbon Steel Washers Type
|
SIZE
|
HARDNESS
|
STANDARD
|
---|---|---|---|
Square Section Spring Washer, Carbon Steel
|
3mm to 39mm
|
HV (430 to 530)
|
DIN 7980
|
Flat Section Spring Washer, Carbon Steel
|
3mm to 39mm
|
HV (430 to 530)
|
DIN 127 B
|
Hardened Washer, Carbon Steel
|
12mm to 30mm
|
HV (300 to 370)
|
IS 2016
|
Hardened Steel Washer, Carbon Steel
|
12mm to 56mm
|
Rockwell 26 to 45 (HDG)
Rockwell 38 to 45 (Coated) |
ASTM F436M
|
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