Carbon Steel Bar
Carbon Steel Bar
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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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 Parameters
Product 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 | 780-860 | 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.
What is your working time?
In general, our online service time is Beijing time: 8:00-22:00, after 22:00, we will reply to your inquiry during the next working day.
How to pack the products?
The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Can you send samples?
Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs.
What product information do I need to provide?
You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
What are the shipping ports?
Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can choose other ports according to your needs.
About product prices?
Prices vary from period to period due to cyclical changes in the price of raw materials.
What are the certifications for your products?
We have ISO 9001, SGS, EWC and other certifications.
How long does your delivery time take?
In general, our delivery time is within 30-45 days, and may be delayed if the demand is extremely large or special circumstances occur.
