Why Refinery Buyers Source Alloy Steel Round Bar From Ganpat Industrial?
Forged, Not Just Rolled
Chrome moly bar forged in-house for tighter grain flow and creep life
F1 To F91, One Order
Round • Square • Hex • Flat – all chrome moly grades in one PO
MTC 3.1 Every Heat
Full chemistry & mechanical report traceable to the cast heat number
Zero Inspection Surprises
PMI • UT • hardness – checked before it leaves the yard
Quote In 24 Hours
Ready stock on common F11 & F22 sizes – ships same week
Alloy Steel Round Bar Aspects
- 1Form: Round, Square, Hex, Flat & Black Bar
- 2Size Range: 16 mm – 300 mm dia • Custom sizes on drawing
- 3Common Grades: ASTM A182 F1, F5, F9, F11, F12, F22, F91
- 4Standards: ASTM A182, ASTM A479, ASME SA182, DIN, JIS
- 5Condition: Forged, Hot Rolled, Cold Drawn, Normalized & Tempered
- 6Finish: Black, Bright, Polished, Peeled & Turned
Or WhatsApp our Mumbai desk: +91 85912 64209 • Same-week dispatch on ready stock sizes
Ganpat Industrial supplies Alloy Steel Round Bar in various chrome moly grades. These bars offer excellent strength, toughness and heat resistance for demanding applications. We stock round bars in standard and custom sizes. Sizes are available in different diameters for diverse industrial requirements. Mill test certificates accompany supplies, ensuring documented product quality. We serve boiler, refinery and power plant buyers across India. Our alloy steel bars are also supplied to international export markets.
Mumbai · ASTM A182 Chrome Moly Bar Manufacturer
Engineered for Heat, Built for Reliability.
Ganpat Industrial supplies ASTM A182 Alloy Round Bars for critical industrial applications across India, the UAE and the Middle East.
- ✓ASTM A182 Compliant
- ✓Heat Number Traceability
- ✓Precision Forged Quality
- ✓Global Export Supply
Superior Creep Strength ASTM A182 Chrome Moly Hex Bar Manufacturer in India With MTC
Alloy Steel Round Bar Specification
Reliable Alloy Steel Round Bar Supplier In India available in multiple grades to meet diverse requirements.
Chrome Moly Rods Grades
- ASTM A182 F1, F5, F9
- ASTM A182 F11, F12, F22
- ASTM A182 F91 (Modified 9Cr-1Mo)
- UNS K11597 / K21590 / K90941
ASTM A182 Alloy Round Bars Size Range
- Round: 16 – 300 mm dia
- Square & Hex: 20 – 150 mm A/F
- Flat: 6 – 100 mm thk
- Custom sizes on drawing
Alloy Steel Flat Bar Testing
- PMI Testing
- Ultrasonic Testing (ASTM A388)
- Brinell Hardness
- Third-Party Inspection
Hot Rolled Alloy Steel Round Bar Finish
- Black (As-Forged/Rolled)
- Bright / Peeled & Turned
- Chrome Moly Polished Bar
- Ground & Precision Sizes
Alloy Steel Black Bar Documentation
- Mill Test Certificate 3.1
- NABL Lab Report
- Packing List
- Certificate Of Origin
Chrome Moly Polished Bar Origin
- Indian Origin
- European Origin
- Japanese Origin
- Heat-Number Traceable
Size Chart of ASTM A182 Chrome Moly Hex Bar
Browse our bar sizes for standard diameters and dimensions.
| Hex Bar Size (Inches) | Wght / Foot. IN LBS. |
|---|---|
| 2 3/4″ | 22.270 |
| 7/16″ | 0.564 |
| 1/2″ | 0.736 |
| 5/8″ | 1.150 |
| 3/4″ | 1.656 |
| 7/8″ | 2.254 |
| 15/16″ | 2.588 |
| 1″ | 2.945 |
| 1 1/16″ | 3.324 |
| 1 1/8″ | 3.727 |
| 2″ | 11.780 |
| 1 3/8″ | 5.567 |
| 1 7/16″ | 6.085 |
| 1 1/2″ | 6.625 |
| 1 5/8″ | 7.775 |
| 13/16″ | 1.944 |
| 1 3/4″ | 9.018 |
| 1 7/8″ | 10.350 |
| 9/16″ | .932 |
| 2 1/4″ | 14.910 |
| 3″ | 26.500 |
| 2 1/2″ | 18.400 |
Benefits of Alloy Steel Cold Drawn Round Bar
High Creep Rupture Strength To 600°C
Resists Hydrogen Attack In Refinery Service
Stable Microstructure
Forged Grain Flow For Better Toughness
Heat-Traceable MTC 3.1 On Every Bar
PMI & UT Verified Before Dispatch
Black, Bright & Polished Finish Options
Same-Week Dispatch
Need Chrome Moly Round Bar On Short Notice?Share size, grade & quantity – get factory price with MTC 3.1 in 24 hours.
Popular Types of Alloy Steel Bar
As an Alloy Steel Round Bar Supplier in India, we offer round, hex, square and flat bars.

Hot Rolled Alloy Steel Round Bar
ASTM A29

Alloy Bright Bar
Peeled & Turned

Chrome Moly Polished Bar
Ground Finish

Alloy Steel Black Bar
As-Forged / Rolled

ASTM A182 Chrome Moly Hex Bar
F11 / F22

Alloy Steel Square Bar
A/F 20–150mm

Alloy Steel Flat Bar
Custom Drawing

ASTM A182 Alloy Steel Threaded Bar
Studs & Stock
Welding Methods of Chrome Moly Rods
Review recommended welding methods for different applications.
SMAW (Stick)
E8018-B2 for F11, E8018-B3 for F12/F22, E9018-B9 for F91
Field & Shop
GTAW (TIG)
ER80S-B2 / ER90S-B3 / ER90S-B9 root and hot pass
Root Pass
SAW (Submerged Arc)
Matching B-series wire/flux for thick-section shop welds
Shop Only
Preheat & Interpass
Preheat ≈ 150–250°C, interpass held below ≈ 315°C
Mandatory
Post-Weld Heat Treatment
PWHT ≈ 700–770°C soak, grade-specific hold time and cooling rate
Stress Relief
Monthly Delivery of Chrome Moly Polished Bar to Below Countries
| Export to | Continent | Shipping Time |
|---|---|---|
|
Colombia |
South America | 45 Days |
|
Morocco |
Africa | 45 Days |
|
Argentina |
South America | 45 Days |
|
Peru |
South America | 45 Days |
Heat Treatment of Alloy Steel Forged Bars
F11 / F12 Anneal
900°C, furnace cooled – softest, most machinable condition
F11 / F12 Normalize & Temper
900°C air cool, tempered min 620°C – standard supply condition
F22 Normalize & Temper
900°C air cool, tempered min 675°C for pressure-part duty
F5 / F9 Normalize & Temper
955°C air/liquid cool, tempered min 675°C
F91 Normalize & Temper
1040–1080°C air cool, tempered 730–800°C in a narrow control window
Post-Heat-Treat QA
Hardness & grain check on every heat before release
Buying In Bulk For A Boiler or Refinery Turnaround?Send your BOQ – factory price, MTC 3.1, dispatch same week.
Chemical Composition of Hot Rolled Alloy Steel Round Bar
| Grade | UNS | C | Mn | Si | Cr | Mo |
|---|---|---|---|---|---|---|
| F5 | K41545 | 0.15 max | 0.30–0.60 | 0.50 max | 4.00–6.00 | 0.44–0.65 |
| F9 | K90941 | 0.15 max | 0.30–0.60 | 0.50–1.00 | 8.00–10.00 | 0.90–1.10 |
| F11 Cl.2 | K11572 | 0.10–0.20 | 0.30–0.80 | 0.50–1.00 | 1.00–1.50 | 0.44–0.65 |
| F12 Cl.2 | K11564 | 0.10–0.20 | 0.30–0.80 | 0.10–0.60 | 0.80–1.25 | 0.44–0.65 |
| F22 Cl.3 | K21590 | 0.05–0.15 | 0.30–0.60 | 0.50 max | 2.00–2.50 | 0.87–1.13 |
| F91 | K90901 | 0.08–0.12 | 0.30–0.60 | 0.20–0.50 | 8.00–9.50 | 0.85–1.05 |
Chrome Moly Polished Bar Material Equivalent
American Standard
- F11 – UNS K11597 / K11572
- F22 – UNS K21590
- F9 – UNS K90941 • F91 – UNS K90901
European Standard
- F11 – DIN 13CrMo4-5 / 1.7335
- F22 – DIN 10CrMo9-10 / 1.7380
- F9 – DIN X12CrMo9-1 / 1.7386 • F91 – DIN X10CrMoVNb9-1 / 1.4903
Japanese Standard
- F11 – JIS SCMV3 (approx., plate cross-ref)
- F22 – JIS SCMV4 (approx., plate cross-ref)
- F9 – JIS SCMV6 (approx., plate cross-ref)
Mechanical Properties of Alloy Steel Flat Bar
| Grade | Tensile Strength | Yield Strength | Elongation | Reduction Of Area | Brinell Hardness |
|---|---|---|---|---|---|
| F5 | 485 MPa | 275 MPa | 20% | 35% | 143–217 HB |
| F9 | 585 MPa | 380 MPa | 20% | 40% | 179–217 HB |
| F11 Cl.2 | 485 MPa | 275 MPa | 20% | 30% | 143–207 HB |
| F12 Cl.2 | 485 MPa | 275 MPa | 20% | 30% | 143–207 HB |
| F22 Cl.3 | 515 MPa | 310 MPa | 20% | 30% | 156–207 HB |
| F91 | 620 MPa | 415 MPa | 20% | 40% | 190–248 HB |
Alloy Steel Bar Markings
Heat / Cast Number
Traceable to the MTC 3.1 chemistry & mechanical report
Grade & Specification
E.g. ASTM A182 F11, stamped or paint-marked per order
Size & Length
Diameter/section and cut length identified per bundle
Manufacturer’s Symbol
Mill or Ganpat Industrial identification mark, low-stress stamped
Country Of Origin
Declared for customs and end-user QA records
Working on A Boiler or Power-Plant BOQ?Send your size list – we quote round, square, hex and flat bar together.
Testing Methods of Alloy Bright Bar
PMI Testing
Positive Material Identification on every heat before dispatch
Chemical & Mechanical Test
Spectro analysis plus tensile, yield & elongation per Table 2
Brinell Hardness
HB check confirms heat treatment condition on the bar face
Ultrasonic Testing
Internal soundness checked per ASTM A388 on request
Charpy Impact Test
Notch toughness verified, critical for F91/F92 service
Macro / Micro Examination
Grain structure & segregation checked on sample cross-section
Alloy Steel Square Bar Weight Chart
| Diameter (mm) | Weight (kg/m) |
|---|---|
| 16 | 1.58 |
| 20 | 2.47 |
| 25 | 3.85 |
| 32 | 6.31 |
| 40 | 9.86 |
| 50 | 15.41 |
| 60 | 22.20 |
| 70 | 30.21 |
| 80 | 39.46 |
| 100 | 61.65 |
Source Forged & Heat Treated Alloy Steel Flat Bar in Custom Sizes For Boiler, Pressure Vessel And Refinery Applications
Applications of ASTM A182 Alloy Steel Threaded Bar
We are a trusted Alloy Steel Round Bar Manufacturer in India for critical industrial applications.
Boilers & Heat Exchangers
Refinery & Petrochemical Piping Components
Power Plant Steam Piping
Pressure Vessel Nozzles & Studs
Valve & Flange Forging Stock
High-Temperature Fasteners
Oil & Gas Wellhead Components
Fired Heater & Tubesheet Fabrication
Weekly Delivery of Alloy Steel Black Bar to Below Countries
| Export to | Continent | Shipping Time |
|---|---|---|
|
Indonesia |
Asia | 9 Days |
|
Saudi Arabia |
Asia | 7 Days |
|
Thailand |
Asia | 7 Days |
|
Philippines |
Asia | 14 Days |
Frequently Asked Questions
What is the price of Alloy Steel Forged Bars?
Price depends on grade, size, condition and quantity.
What condition are the Chrome Moly Rods supplied in?
Rods are supplied normalized and tempered, annealed or as-forged.
Can Alloy Steel Square Bar be welded on site?
Yes, with controlled preheat, qualified WPS and mandatory PWHT.
Do you supply custom sizes of Hot Rolled Alloy Steel Round Bar on drawing?
Yes, custom sizes are available with MTC 3.1 documentation.
Explore Nearby Locations For the Quickest Delivery Options
| Houston | Kenya | Gabon | Morocco | Dubai | Tunisia |
|---|---|---|---|---|---|
| Mozambique | South Africa | Nigeria | Abu Dhabi | USA | Oman |
| California | Indiana | Texas | New South Wales | Algeria | Carolina |
| Zambia | Ethiopia | Egypt | Angola | Ghana | Tanzania |
| Al-khobar | Riyadh | Dammam | Saudi Arabia | UAE | Al Jubail |

