EN8/EN9 En Series Round Steel Bar
EN8 is a medium carbon steel with a carbon content of 0.25% to 0.60%. It is often used to manufacture mechanical parts, bearings, gears and other parts. It has high strength and wear resistance and can obtain high hardness and strength after heat treatment.
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- Commodity name: EN8/EN9 En Series Round Steel Bar
EN8 is a medium carbon steel with a carbon content of 0.25% to 0.60%. It is often used to manufacture mechanical parts, bearings, gears and other parts. It has high strength and wear resistance and can obtain high hardness and strength after heat treatment.
EN8/EN9 En Series Round Steel Bar Description
The chemical composition of EN8 includes carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S) and other elements. The carbon content is the most important, usually between 0.36-0.44%. EN8 has good weldability, and it can be welded by conventional welding methods, such as arc welding, gas welding, etc. However, when performing high-intensity welding, care needs to be taken to control the welding heat to prevent material deterioration. EN8 carbon steel bars are widely used in the manufacturing industry, especially where high strength and wear resistance are required. They are often used to manufacture bearings, pins, mechanical parts, etc..
Product ParametersProduct Name
EN8/EN9 En Series Round Steel Bar Standard
EN/DIN/JIS/ASTM/BS/ASME/AISI, etc.
Common Round Bar Specifications
3.0-50.8 mm, Over 50.8-300mm
Flat Steel Common Specifications
6.35x12.7mm, 6.35x25.4mm, 12.7x25.4mm
Hexagon Bar Common Specifications
AF5.8mm-17mm
Square Bar Common Specifications
AF2mm-14mm, AF6.35mm, 9.5mm, 12.7mm, 15.98mm, 19.0mm, 25.4mm
Length
1-6meters, Size Accept Custom
Diameter(mm)
Hot Rolling Round Bar
25-600
Cold Rolling Square Bar
6-50.8
Hot Rolling Square Bar
21-54
Cold Rolling Hexagon Bar
9.5-65
Cold Rolling Round bar
6-101.6
Forged Rebar
200-1000
Surface Process
Bright, Polished, Black
Other Services
Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.
Chemical Composition
Grade
C %
Si %
Mn %
Cr %
Mo %
W %
EN-1A
0.007-0.15
0.10
0.80-1.00
S
P
-
0.20-0.30
0.70 MAX
EN-8
0.35-0.45
0.05-0.30
0.60-1.00
S
P
-
0.06 MAX
0.06 MAX
EN-9
0.50-0.60
0.05-0.30
0.5-0.80
-
-
-
EN-19 (V 320)
0.35-0.45
0.10-0.30
0.5-0.80
0.90-1.40
0.20-0.40
EN-24 (V 130)
0.35-0.45
0.10-0.35
0.45-0.70
0.90-1.40
0.20-0.35
NI
1.3-1.8
EN-31 R-100
0.90-1.20
0.10-0.35
0.30-0.75
1.00-1.60
-
-
EN-36C E-200
0.12-0.18
0.10-0.35
0.30-0.60
0.60-1.10
-
NI
3.0-3.75
EN-42
0.70-0.85
0.10-0.40
0.55-0.75
-
-
-
EN-44
0.90-1.20
0.30
0.45-0.70
-
-
-
EN-45 F-110
50-0.60
1.5-2.0
0.70-1.00
-
-
-
EN-351
0.10-0.20
0.35
0.60-1.00
0.40-0.80
0.08-0.10
NI
0.60-1.00
EN-353
0.10-0.20
0.35
0.50-1.00
0.75-1.25
0.08-o.15
NI
1.00-1.50
Mechanical Properties
Grade
Hardening Temperature
Quenching Medium
Tempering Temperature
Brinell Hardness
JapanHe
AISI
EN-1A
-
-
-
-
-
-
EN-8
750-900
OIL
150-200
-
1040
EN-9
850-900
OIL
200-250
55-60
-
-
EN-19 (V 320)
900-950
OIL
200-225
45-55
SCM 4
4140
EN-24 (V 130)
830-860
OIL
540-680
45-55
SNCM 8
4340
EN-31 R-100
820-860
OIL
180-225
59-65
-
-
EN-36C
E-200780-860
OIL
170-210
61-63
SNC 22
3415
EN-42
600-700
DIRECT HARDENING
40-45
-
-
EN-44
650-750
OIL
150
45-50
-
-
EN-45
830-860
OIL
470-520
50-55
-
9255
EN-351
850-860
OIL
175-200
62-64
-
-
EN-353
840-870
OIL
150-200
62-64
-
-
Scope of Application
The EN series is widely used in many general engineering applications. Typical applications include shafts, studs, bolts, connecting rods, screws, etc.
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EN8/EN9 En Series Round Steel Bar - Stock Warehouse
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EN8/EN9 En Series Round Steel Bar - Product Inspection
Tensile Strength Testing Tensile Strength Testing Physical Performance Testing Chemical Composition Testing 
Inspection Hardness Testing Spectral Detection Mechanical Properties -
EN8/EN9 En Series Round Steel Bar - Product Measurement
Measurement Measurement Measurement Measurement -
EN8/EN9 En Series Round Steel Bar - Product Packaging
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