Why Fabricators Choose Ganpat Industrial Choose For Carbon Steel Round Bar?
Low To High Carbon, One Yard
1018/1020, 1045/EN8 & 1055/EN9 grades stocked side by side
5mm To 300mm Diameter
Hot rolled, forged and cold drawn sections ex-stock
Heat-Traceable Chemistry
Every heat spectro-tested and matched to its MTC 3.1
ISO & PED Backed
ISO 9001 • ISO 14001 • OHSAS 18001 • PED • Petrofac Approved
Cut-To-Length On Demand
Bar, billet or custom-cut lengths — dispatched same week
Carbon Steel Round Bar Highlights
- 1Family: Low Carbon Steel, Medium Carbon Steel & High Carbon Steel Round Bar
- 2Diameter Range: 5mm – 300mm • Custom hex, square & flat on request
- 3Common Grades: 1018, 1020, 1045, 1055 • EN8, EN9
- 4Standards: ASTM A105, ASTM A29/A29M, ASTM A108, EN 10060, EN 10278, IS 1875
- 5Condition: Hot Rolled • Cold Drawn • Forged • Annealed • Peeled & Polished
- 6Origin: Indian origin • European origin • Japanese origin
Or call our Mumbai office: +91 22 6743 7134 • Fast dispatch on ready stock diameters
Ganpat Industrial is an established Carbon Steel Round Bar Supplier in India. We stock Low, Medium and High Carbon Steel Round Bars. Our bars meet ASTM A105 and IS 1875 specifications. From machining and forging to fabrication, we supply reliable steel. Each order includes quality documentation and complete material traceability. We serve customers across India, UAE and wider Middle East.
Mumbai · Carbon Steel Round Bar Manufacturer In India
Strong By Grade, Reliable By Nature.
Ganpat Industrial forges CS Polished Bar in Low, Medium & High Carbon grades for machining, fabrication and industrial applications across India, UAE and the Middle East.
- ✓Mill Test Certificates
- ✓Third-Party Inspection
- ✓Quality Tested Products
- ✓On-Time Delivery
Explore High Carbon Steel Rod Supplier In India In Diameter Range of 5mm To 300mm
Carbon Steel Round Bar Specification
Get Carbon Steel Round Bar Supplier In India offering reliable specifications.
High Carbon Steel Flat Bar Grades
- 1018 & 1020 (Low Carbon)
- 1045 / EN8 (Medium Carbon)
- 1055 / EN9 (High Carbon)
- IS 1875 20C8, 45C8, 55C8
CS Rounds Diameter Range
- Dia: 5mm – 300mm
- Standard length: 3m / 6m
- Custom cut length to drawing
- Coil available on select grades
Medium Carbon Steel Shaft Standards
- ASTM A29 / A29M
- ASTM A108 (Cold Finished)
- EN 10060 / EN 10278
- IS 1875:1992
Low Carbon Steel Billet Surface Condition
- Hot Rolled / Black Bar
- Cold Drawn Bright Bar
- Peeled & Ground Polished
- Turned & Polished (T&P)
Carbon Steel Polished Bar Testing
- Spectro / Chemical Analysis
- UT (Ultrasonic Testing)
- Mechanical Test (UTS/YS/Elong.)
- Third-Party Inspection
CS Annealed Bar Documentation
- Mill Test Certificate 3.1
- Heat-Number Traceability
- Packing List
- Certificate Of Origin
Need A Fixed-Grade CS Bar Stock Project?Send annual volume & sizes – Get factory pricing with MTC 3.1 locked in.
Features of Low Carbon Steel Forged Bar
Carbon Steel Bars offer high strength, precise dimensions, and consistent performance.
Uniform Forged Grain Structure
Predictable Machinability By Grade
Cold Drawn Dimensional Accuracy
Through-Hardening Response On Medium & High Carbon
Weldable Low Carbon Grades
Custom Diameter & Length Cutting
Heat-Number Traceable Stock
Mill Test Certificate 3.1 On Every Lot
Monthly Delivery of CS Cold Drawn Bar to Below Countries
| Export to | Continent | Shipping time |
|---|---|---|
|
Mexico |
North America | 45 Days |
|
South Africa |
Africa | 25-30 Days |
|
Oman |
Asia | 5 Days |
|
Kenya |
Africa | 19 Days |
Reserve Carbon Steel Hollow Bar And Round Stock With Forged Grain Structure
Distinct Types of Carbon Steel Round Bar

Carbon Steel Rectangular Bar
ASTM A105

High Carbon Steel Bright Bar
ASTM A108

CS Ground and Rolled Polished Bar
EN 10278

Low Carbon Steel Hex Bar
ASTM A29

Medium Carbon Steel Square Bar
ASTM A29

Carbon Steel Flat Bar
ASTM A29

High Carbon Steel Billet
IS 1875

CS Polished Bar
T&P Finish
Size Chart of Low Carbon Steel Hot Rolled Bars
| Nominal Diameter mm | Tolerance h9 mm |
|---|---|
| 1 – 3 | −0.025 |
| 3 – 6 | −0.030 |
| 6 – 10 | −0.036 |
| 10 – 18 | −0.043 |
| 18 – 30 | −0.052 |
| 30 – 50 | −0.062 |
| 50 – 80 | −0.074 |
| 80 – 120 | −0.087 |
| 120 – 180 | −0.100 |
| 180 – 200 | −0.115 |
Machinability of CS Peeled Round Bars
Low Carbon (1018 / 1020)
≈ 65%
Best Chip Control
Medium Carbon (1045 / EN8)
≈ 55%
Balanced Strength/Machining
High Carbon (1055 / EN9)
≈ 40%
Slower Feeds Advised
Reference Baseline
100%
AISI B1112 Free-Cutting
Not Sure Which Grade Fits Your Job?Send the drawing – We recommend Low, Medium or High Carbon Steel Round Bar.
Chemical Composition of Medium Carbon Steel Cold Drawn Bar
CarbonC
0.43–0.50%
ManganeseMn
0.60–0.90%
SiliconSi
0.15–0.35%
PhosphorusP
≤ 0.040%
SulphurS
≤ 0.050%
IronFe
Balance
Carbon Steel Polished Bar Material Equivalent
American Standard
- AISI/SAE 1018, 1020
- AISI/SAE 1045, UNS G10450
- AISI/SAE 1055
European Standard
- EN3B / DIN C22 (1.0402)
- EN8 / DIN C45 (1.0503 / 1.1191)
- EN9 / DIN C55 (070M55)
Japanese Standard
- JIS S20C (G4051)
- JIS S45C (G4051)
- JIS S55C (G4051)
Mechanical Properties of CS Rounds
Tensile Strength
570–700 MPa
ASTM A105 Grade 1045
Yield Strength
310–490 MPa
0.2% Proof Stress
Hardness
170–229 HB
Normalized Condition
Elongation
16–20% Min
In 50mm Gauge
Need Custom Sizes For Medium Carbon Steel Hex Bar?Share diameter, grade & quantity – Get factory price in 24 hours.
What Factors Should Be Considered Before Buying High Carbon Steel Flat Bar?
Carbon Grade
Heat Treatment
Size & Tolerance
Material Standard
Certification
Quantity & Delivery
Thickness Chart of Carbon Steel Annealed Bar
| Diameter mm | Weight kg/m | Diameter mm | Weight kg/m |
|---|---|---|---|
| 5 | 0.154 | 75 | 34.7 |
| 6 | 0.222 | 90 | 49.9 |
| 8 | 0.395 | 100 | 61.7 |
| 10 | 0.617 | 125 | 96.4 |
| 12 | 0.888 | 150 | 138.7 |
| 16 | 1.58 | 180 | 199.8 |
| 20 | 2.47 | 200 | 246.7 |
| 25 | 3.85 | 220 | 298.5 |
| 32 | 6.31 | 250 | 385.4 |
| 40 | 9.87 | 280 | 483.4 |
| 50 | 15.4 | 300 | 555.0 |
| 63 | 24.5 | — | — |
Low Carbon Steel Shaft Surface Finish
Black Finish
Mill-scale surface for structural & forging feed stock
Peeled & Turned
Surface skin removed for a clean, defect-free finish
Ground & Polished
Fine surface finish and precision OD for bearing-fit
Cold Drawn Bright Finish
Tight OD tolerance and smooth surface
Pickled & Oiled
Descaled surface with rust-preventive oil film
Shot Blasted
Uniform matte surface, mill-scale removed ahead of coating
Carbon Steel Bar Stock Packaging
Loose Bundle, Steel-Strapped
Standard packing for domestic despatch of hot rolled bar
Wooden Crate / Pallet
For bright bar & polished shafts needing surface protection
VCI Wrap On Machined Bars
Prevents corrosion staining on turned & polished stock during transit
Heat-Number Tagged Labelling
Every bundle marked with grade, diameter & heat number for traceability
Need Case-Hardened or Galvanized CS Bloom?Tell us the finish – We quote the treated bar with your PO.
Which Surface Hardening Techniques Improve Carbon Steel Square Bar?
Case Carburizing
Diffuses carbon into Low Carbon Steel surface, then quench-hardens the case
Induction Hardening
Localised hardening of High Carbon shafts using an induction coil, minimal distortion
Flame Hardening
Oxy-fuel flame heats and water-quenches the outer surface of large-diameter bar
Black Oxide Coating
Applied post-machining for mild corrosion protection and low-glare finish
Hot-Dip Galvanizing
Zinc coating for genuine corrosion resistance on structural CS round bar
Cutting Methods For CS Ground and Rolled Polished Bar
Band Saw Cutting
Straight, low-heat cut for standard length reduction on Low/Medium Carbon bar
Standard
Circular Cold Saw
Square, burr-free face for bright bar and precision-length blanks
Precision
Shearing
Fast volume cutting for smaller diameter Low Carbon Steel round bar
High Volume
Flame / Plasma Cutting
For large-diameter High Carbon billet and bloom sectioning
Heavy Section
CNC Turning To Length
Faced-both-ends cut with tight length tolerance for shaft blanks
Machined
Applications of Low Carbon Steel Billet
Carbon Steel Round Bar Manufacturer in India supplying bars for machining shafts and other applications.
Shafts, Axles & Spindles
Gears & Sprockets
Fasteners & Studs
Hydraulic Cylinder Rod Blanks
Structural & Fabrication Work
Forging Feedstock
Automotive Components
Tool & Die Blanks (High Carbon)
Weekly Delivery of Carbon Steel Annealed Bar To Below Countries
| Export to | Countries | Continent | Shipping Time | Ports |
|---|---|---|---|---|
|
|
Netherlands | Europe | 30 Days | Port of Rotterdam |
|
|
Nigeria | Africa | 30 Days | Port of Calabar |
|
|
Kuwait | Asia | 10 Days | Shuaiba Port |
Frequently Asked Questions
What are the common Carbon Steel Forged Bar grades?
Common grades include 1018, 1020, 1045, EN8, C45, 1055, and EN9.
What CS Flat Bar sizes do you supply?
We supply sizes from 5mm to 300mm in various conditions.
How is Low Carbon Steel Hot Rolled Bar price decided?
Price depends on grade, size, quantity, finish, and testing.
Does Medium Carbon Steel Bloom rust?
Yes, protection is required for humid or outdoor exposure.
Call Now For the Clients List Based in Below Locations
| Regions | Country |
|---|---|
| West Africa | Nigeria, Ghana, Senegal |
| South Carolina | USA |
| North America | USA, Canada, Mexico |
| East Asia | China, Japan, South Korea |
| South America | Brazil, Argentina, Colombia |
| North Africa | Egypt, Morocco, Algeria |
| Middle East | Saudi Arabia, Iran, Iraq |
| South Asia | India, Pakistan, Bangladesh |
| Melanesia | Fiji, Papua New Guinea |
| East Africa | Kenya, Ethiopia, Tanzania |

