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EN8 Round Bar Information
EN8 Round Bar
EN8 Steel Rod
080M40 Steel Hex Bar
Table Of Content
EN8 Round Bar Sizes (mm)
EN8 steel Rod Tolerance
EN8 Bright Bar Thickness
080M40 EN8 Bar Surface Finish
EN8 Round Bar Technique
BS970 080M40 Square Bar Cutting methods
EN8 Steel Bright Bar Heat Treatment
EN8 Hexagonal Bar Shapes
EN8 Rod Advantages
BS970 080M40 Cold Drawn Bar Certification
080M40 shaft Manufacturing technique
Standard of 080M40 Steel Round Bar
EN8 Grade Steel Bar Application
EN8 Carbon Steel Packaging
EN8 Steel Bar Temperature
| Size Chart in mm | Weight Chart per Meter (kg) | Size Chart in mm | Weight Chart per Meter (kg) |
|---|---|---|---|
| 16 x 16 | 2.02 | 40 x 40 | 12.60 |
| 12 x 12 | 1.14 | 30x30 | 7.11 |
| 20 x 20 | 3.16 | 50 x 50 | 19.80 |
| Product | Metric sizes Min |
Max | Imperial sizes Min |
Max |
|---|---|---|---|---|
| EN8 round bar | 5mm dia | 200mm dia | 1/4" dia | 8" dia |
| EN8 square bar | 4mm | 50mm | 3/16" | 2" |
EN8 Round Bar Manufacturer in India manufactures Cold and Hot Rolled methods
| Heat Treatment | Temperature Range | Cooling Method |
|---|---|---|
| Tempering | 550°C to 660°C | Oil or water |
| Normalising | 830°C to 860°C | - |
EN8 Round Bar Supplier in India are available in various Shapes and Forms
EN8 080M40 Flat Bar
EN8 Metal Square Bar
EN8 carbon steel Rectangular Bar
EN8 080M40 Bright Bar
BS970 080M40 Forged Bar
carbon steel EN8 Hexagonal Bar
080M40 Shaft
EN8 engineering Rounds
080M40 EN8 Forged Round Bar
| Thermal Properties | Metric | Imperial |
|---|---|---|
| Thermal conductivity | 51.9 W/mK | 360 BTU in/hr.ft 2 .°F |
| Thermal expansion co-efficient | 11 µm/m°C | 6.11 µin/in°F |
| Machineability | 80 |
|---|---|
| Weldability | There may be a need for precaution. |
| Hardenability | Small sizes suitable |
| Usage | Axles, shafts, spindles and studs |
| Surface Finish | Tolerance |
|---|---|
| Black-Forged | (0，+5mm) |
| Black-Rolled | (0，+1mm) |
| Turned | (0，+3mm) |
| Grinding | Best h9 |
| Polished | Best h11 |
| Peeled | Best H11 |
| Cold Drawn | Best H11 |
| Grade | C | P | Si | Mn | S |
|---|---|---|---|---|---|
| EN 8A | 0.33-0.38 | ≤0.06 | 0.05-0.35 | 0.70-0.9 | ≤0.06 |
| EN 8D | 0.40-0.45 | ≤0.06 | 0.05-0.35 | 0.70-0.9 | ≤0.06 |
| EN 8B | 0.35-0.40 | ≤0.06 | 0.05-0.35 | 0.70-0.9 | ≤0.06 |
| EN 8C | 0.38-0.43 | ≤0.06 | 0.05-0.35 | 0.70-0.9 | ≤0.06 |
| EN 8E | 0.35-0.40 | ≤0.06 | 0.05-0.35 | 0.9-1.1 | ≤0.06 |
| EN 8K | 0.35-0.45 | ≤0.05 | 0.05-0.35 | 0.6-1.0 | ≤0.05 |
Condition |
Normalized | Hardened & Tempered | |||
|---|---|---|---|---|---|
| N | Q | R | |||
| Elongation | ≥20% | ≥20% | ≥22% | ≥20% | ≥20% |
| Tensile Strength,Mpa | ≥540 | ≥540 | ≥620 | ≥700 | ≥700 |
| Yield Strength,Mpa | ≥ 280 | ≥540 | ≥435 | ≥495 | ≥495 |
| ISO V Impact,J | ≥28 | ≥20 | ≥34 | ≥54 | ≥34 |
| Hardness,HBW | 152-207 | 152-207 | 179-229 | 201-255 | 201-255 |
| Forging temperature | 1200℃ |
|---|
| Weight per m (Kg) | 1.14 | 2.02 | 3.16 | 4.94 |
|---|---|---|---|---|
| Size in (milimetre) | 12 X 12 | 16 X 16 | 20 X 20 | 25 X 25 |
| Weight per m (Kg) | 7.11 | 12.6 | 19.8 | |
| Size in (milimetre) | 30X30 | 40 X 40 | 50 X 50 |
| Heat Treatment | Yield Strength Rm |
Tensile Strength Rm | Rp 0.2 | Hardness | A min on | Impact | |
|---|---|---|---|---|---|---|---|
| 5.65√So | Izod Ft.lb | KCV J | |||||
| MPa | MPa | MPa | HB | ||||
| Q | 385 | 625/775 | 355 | 179/229 | 16 | 25 | 28 |
| N | 280 | 550 | – | 152/207 | 16 | 15 | 16 |
| 245 | 510 | – | 146/197 | 17 | – | – | |
| R | 465 | 700/850 | 450 | 201/255 | 16 | 25 | 28 |
ASTM A29
America
ASTM A29
EN
Europe
C40, CK40, C45, CK45
JIS G4051
Japan
S40C, S45C
DIN
German
1.0511, 1.1186, 1.1189
This bar stock is unalloyed medium carbon steel also known as Engineering Steel EN8 (080M40) material.
| Chemical | Compatibility |
|---|---|
| Acetyl Chloride (dry) | A-Excellent |
| Acetylene | A-Excellent |
| Alcohols: Butyl | B-Good |
| Alcohols: Diacetone | A-Excellent |
| Alcohols: Ethyl | B-Good |
| Aluminum Chloride | A-Excellent |
| Ammonia 10% | N/A |
| Ammonia Nitrate | N/A |
| Ammonia, anhydrous | B-Good |
| Aniline | A-Excellent |
| Barium Carbonate | N/A |
| Beer | C-Fair |
| Benzol | B-Good |
| Butter | N/A |
| Buttermilk | D-Severe Effect |
| Butyric Acid | D-Severe Effect |
| Calcium Bisulfate | N/A |
| Cane Juice | N/A |
| Cupric Acid | N/A |
| Ethyl Acetate | B-Good |
| Ethyl Benzoate | N/A |
| Hydrofluoric Acid 75% | D-Severe Effect |
| Potassium Iodide | N/A |
| Salad Dressings | N/A |
| Salicylic Acid | D-Severe Effect |
| Sulfur Dioxide | D-Severe Effect |
| Sulfur Dioxide (dry) | A-Excellent |
| Sulfur Hexafluoride | N/A |
| Sulfur Trioxide | C-Fair |
| Sulfur Trioxide (dry) | A-Excellent |
| Sulfuric Acid (<10%) | D-Severe Effect |
| Sulfuric Acid (10-75%) | D-Severe Effect |
| Projects | Location | Material |
|---|---|---|
| Zohr development | Egypt | EN8 round bar |
| Tangguh Expansion | Indonesia | EN8 hex bar |
| Fourth Transmission Pipeline midline | Thailand | EN8 Shaft |
| Additional gas supply alba expansion line | Bahrain | 080M40 steel square bar |
| Amursky Gas Processing Plant Project | Russia | BS970 080M40 rounds |
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Conclusion
EN8 Round Bar Used Medium Tensile Strength, Normally Supplied in Cold-drawn or Hot-Rolled conditions
