- ASTM B446 Round Bar Size: 3 - 600 mm
- SB 446 Hex Bar Size:3 - 180 mm
- B446 Flat Bar Size: 1.5 - 250 mm
- ASME SB446 Square Bar Size:18 - 47mm
- Supply State:ANN, H&T,PH
- Process:Rolled, Forged
- Finish: Polished, Rough Turned, NO.4
- MTC:EN 10204 3.1/ 3.2
- RFQ:contact@pipingmaterial.sa

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- ASME SB 446 Rod Grades
- ASTM B446 Round Bar Specification
- B446 Hex Bar Applications
- Size Chart of ASME SB 446 Rounds
- ASTM B446 Material Flat Bar Thickness Chart
- Tolerance Chart of SB446 Square Bar
- Types of ASTM B446 Round Bar
- ASME SB 446 Bright Bar Weight Chart
- B446 Rod Chemical Composition
- ASTM B446 Material Rectangular Bar Mechanical Properties
- SB446 Bar Dimension
ASME SB 446 Rod Grades and Standards

- ASME SB446
- N06625
- N06219
- N06650
- WNR. 2.4856
- EN NiCr22Mo9Nb
- NCF 625
- AMS 5666
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ASTM B446 Round Bar Specification
- Dia: 4 to 500mm
- Length: Up to 6 meter
- Custom Size Available
- Thickness: 2-150 mm
- Width: 12.7 to 254 mm
- Length: 1- 6 meter
- Length: 1- 6.0 m
- Dia: 18 -57mm
- Custom
- Size: 18 - 47mm
- Length: Up to 6m
- Cut to Length
- Japanese, European
- Indian
- American, Korean
- Round
- Hex, Rectangle
- Square, Flat
- Heat Treatment
- Shearing
- Cutting
- Microstructure
- Step-Down Tests
- PMI, Upset Testing
- MTC 10204 3.2
- Third Party Inspection Report
- 100% Radiography Test Report
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B446 Hex Bar Application
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- Power Generation
- Marine
- Chemical Processing
- Aerospace
Size Chart of ASME SB 446 Rounds
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| US Bar | Metric | Japanese | ASTM/ Canadian | ||||
|---|---|---|---|---|---|---|---|
| Bar Size | Diam. (Inch) | Bar Size | Diam. (mm) | Bar Size | Diam. (mm) | Bar Size | Diam. (mm2) |
| #4 | 0.500 | 6 | 6 | 13 | 13 | 20M | 300 |
| #3 | 0.375 | 5.5 | 5.5 | 10 | 10 | 15M | 200 |
| #5 | 0.625 | 7 | 7 | 16 | 16 | 25M | 500 |
| #7 | 0.875 | 9 | 9 | 22 | 22 | 35M | 1000 |
| #2 | 0.250 | 5 | 5 | 6 | 6 | 10M | 100 |
| #6 | 0.750 | 8 | 8 | 19 | 19 | 30M | 700 |
| #8 | 1.000 | 10 | 10 | 25 | 25 | 45M | 1500 |
| #10 | 1.250 | 12 | 12 | 32 | 32 | ||
| #9 | 1.125 | 11 | 11 | 29 | 29 | 55M | 2500 |
| #11 | 1.375 | 14 | 14 | 35 | 35 | ||
| #13 | 1.625 | 18 | 18 | 41 | 41 | ||
| #12 | 1.500 | 16 | 16 | 38 | 38 | ||
| #14 | 1.750 | 20 | 20 | 44 | 44 | ||
| #18 | 2.250 | 28 | 28 | 57 | 57 | ||
| #15 | 1.875 | 22 | 22 | 48 | 48 | ||
| #16 | 2.000 | 25 | 25 | 51 | 51 | ||
| 32 | 32 | ||||||
| 36 | 36 | ||||||
| 40 | 40 | ||||||
| 44 | 44 | ||||||
| 50 | 50 | ||||||
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ASTM B446 Material Flat Bar Thickness Chart
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| Thick X Width (mm) | Thick X Width (inch) |
|---|---|
| 3.2 x 12.7 | 1/8 x 1/2 * |
| 3.2 x 25.4 | 1/8 x 1 * |
| 3.2 x 31.7 | 1/8 x 1 1/4 * |
| 3.2 x 50.8 | 1/8 x 2 * |
| 4.8 x 12.7 | 3/16 x 1/2 * |
| 4.8 x 25.4 | 3/16 x 1 * |
| 4.8 x 38.1 | 3/16 x 1 1/2 * |
| 4.8 x 50.8 | 3/16 x 2 * |
| 6.3 x 19.0 | 1/4 x 1* |
| 6.3 x 25.4 | 1/4 x 1* |
| 6.3 x 38.1 | 1/4 x 1 1/2 |
| 6.3 x 50.8 | 1/4 x 2* |
| 6.3 x 76.2 | 1/4 x 3 |
| 6.3 x 127.0 | 1/4 x 5 |
| 6.3 x 203.2 | 1/4 x 8 |
| 6.3 x 304.8 | 1/4 x 12 |
| 9.5 x 25.4 | 3/8 x 1 |
| 9.5 x 38.1 | 3/8 x 1 1/4 |
| 9.5 x 63.5 | 3/8 x 2 |
| 9.5 x 101.6 | 3/8 x 3 |
| 9.5 x 152.4 | 3/8 x 5 |
| 9.5 x 254.0 | 3/8 x 8 |
| 9.5 x 304.8 | 3/8 x 10 |
| 12.7 x 38.1 | 1/2 x 1 1/2 |
| 12.7 x 63.5 | 1/2 x 2 1/2 |
| 12.7 x 101.6 | 1/2 x 4 |
| 12.7 x 152.4 | 1/2 x 6 |
| 12.7 x 254.0 | 1/2 x 10 |
| 12.7 x 304.8 | 1/2 x 12 |
| 15.9 x 101.6 | 5/8 x 4 |
| 15.9 x 127.0 | 5/8 x 5 |
| 15.9 x 203.2 | 5/8 x 8 |
| 15.9 x 254.0 | 5/8 x 10 |
| 19.0 x 38.1 | 3/4 x 1 1/2 |
| 19.0 x 50.8 | 3/4 x 2 |
| 19.0 x 76.2 | 3/4 x 3 |
| 19.0 x 101.6 | 3/4 x 4 |
| 19.0 x 152.4 | 3/4 x 6 |
| 19.0 x 203.2 | 3/4 x 8 |
| 19.0 x 304.8 | 3/4 x 12 |
| 25.4 x 50.8 | 1 x 2 |
| 25.4 x 76.2 | 1 x 3 |
| 25.4 x 152.4 | 1 x 6 |
| 25.4 x 203.2 | 1 x 8 |
Get ASTM B446 Material Hex and Square Bar in H8 to H13 and K9 to K12 Tolerance With V Edge
Tolerance Chart of SB446 Square Bar
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| Size (a) | Corner radius (r) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal size | between 8 and 14 | between 26 and 35 | between 15 and 25 | between 40 and 50 | 100 | between 110 and 120 | between 55 and 90 | between 130 and 150 | Nominal size | over 8 up to 12 | over 20 up to 30 | over 100 up to 150 | over 12 up to 20 | over 50 up to 100 |
| Limit deviation | +/- 0.4 | +/- 0.6 | +/- 0.5 | +/- 0.8 | +/- 1.3 | +/- 1.5 | +/- 1.0 | +/- 1.8 | Radius | up to 1 | up to 2 | up to 4 | up to 1.5 | up to 3 |
| Straightness (q) | - | - | - | Twist | - | - | - | Out-of-squareness (u) | - | - | - | - | - | - |
| Nominal size | below 25 | over 80 | between 25 and 80 | Nominal size | over 14 up to 50 | over 50 | over 8 up to 14 | Nominal thickness | up to 50 | over 50 up to 75 | over 100 up to 150 | - | over 75 up to 100 | - |
| Tolerance in the plane | Not fixed | q up to 0.25% of L | q up to 0.4% of L | Tolerance | 3 degrees/metre, max of 18 degrees | 3 degrees/metre, max of 15 degrees | 4 degrees/metre, max of 24 degrees | Tolerance | 1.5 | 2.25 | 4.5 | - | 3 | - |
Types of ASTM B446 Round Bar
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View SB446 Bright Bar Weight Chart, Chemical Composition and Dimension
ASME SB 446 Bright Bar Weight Chart
| Size (mm) | 10 | 14 | 12 | 16 | 20 | 22 | 18 | 24 | 28 | 25 | 30 | 36 | 40 | 34 | 45 | 56 | 63.5 | 50 | 65 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Weight | KG/MTR | 0.62 | 1.2 | 0.9 | 1.6 | 2.5 | 3 | 2 | 3.56 | 4.8 | 3.9 | 5.55 | 8 | 9.9 | 7.14 | 12.49 | 19.34 | 24.86 | 15.4 | 26.05 |
| KG/FT | 0.18 | 0.4 | 0.3 | 0.5 | 0.8 | 0.9 | 0.6 | 1.08 | 1.5 | 1.2 | 1.69 | 2.44 | 3 | 2.18 | 3.81 | 5.89 | 7.58 | 4.7 | 7.94 | |
| Size (mm) | 70 | 75 | 73 | 78 | 83 | 85 | 80 | 60 | 90 | 63 | 92 | 95 | 100 | 93 | 105 | 115 | 125 | 110 | ||
| Average Weight | KG/MTR | 30.2 | 34.72 | 32.86 | 37.51 | 42.47 | 44.55 | 39.5 | 22.2 | 50 | 24.47 | 52.19 | 55.65 | 61.66 | 53.39 | 67.98 | 81.64 | 96.34 | 74.6 | |
| KG/FT | 9.2 | 10.58 | 10 | 11.43 | 12.95 | 13.58 | 12 | 6.8 | 15.2 | 7.46 | 15.91 | 16.95 | 18.79 | 16.27 | 20.72 | 24.88 | 29.36 | 22.74 | ||
B446 Rod Chemical Composition
| Element | C | Si | P | Mn | S | Columbium + tantalum | Cr | Co | Mo | Iron | Al | Ti | Ni | Cu | T | Nitrogen | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Composition Limits, % | N06219 | 0.05 max | 0.70-1.10 | 0.020 max | 0.50 max | 0.010 max | - | 18.0-22 .0 | 1.0 max | - | 7.0-9.0 | 2.0-4.0 | 0.50 max | 0.50 max | Bal. | 0.50 max | - | - |
| N06625 | 0.10 max | 0.50 max | 0.015 max | 0.50 max | 0.015 max | 3.15 min - 4.15 max | 20.0 min - 23.0 max | 1.0 max | 10.0 max | 8.0 min | 5.0 max | 0.40 max | 0.40 max | 58.0 min | - | - | - | |
| N06650 | 0.03 max | 0.50 max | 0.020 max | 0.50 max | 0.010 max | 0.05-0.50 | 19.0-21.0 | 1.0 max | - | 9.5-12 5 | 12.0-16.0 | 0.05-0.50 | - | Bal. | 0.30 max | 0.50-2.50 | 0.05-0.20 | |
ASTM B446 Material Rectangular Bar Mechanical Properties
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| Grades | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation % |
|---|---|---|---|
| UNS N06625 | 120 | 60 | 30 |
| UNS N06219 | 100 | 40 | 30 |
| UNS N06650 | 96 | 39 | 50 |
SB446 Bar Dimension
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| Diam (inches) | 1 1/2 | 01/4 | 01/2 | 03/8 | 05/8 | 1 | 03/4 | 1 1/4 | 2 |
|---|---|---|---|---|---|---|---|---|---|
| Diam (mm) | 38.1 | 6.35 | 12.7 | 9.52 | 15.88 | 25.4 | 19.05 | 31.75 | 50.8 |
| Weight / Meter (kg) | 8.93 | 0.249 | 0.994 | 0.561 | 1.552 | 3.974 | 2.237 | 6.202 | 15.9 |
| Weight / Foot (lbs) | 6 | 0.167 | 0.668 | 0.376 | 1.043 | 2.67 | 1.502 | 4.17 | 10.68 |
ASTM B446 Round Bar Supplied In Following Locations
| Product | Project Name | Location |
|---|---|---|
| ASME SB 446 Rod | Marine Engineering Technologies | Al Khobar, Saudi Arabia |
| ASME SB446 Round Bar | OCEAN HEART TRADING Company | Ha’il, Saudi Arabia |
| B446 Rod | Land Construction Company | Rabigh, Saudi Arabia |
| ASTM B446 Material | Airbus Defence and Space | Riyadh, Saudi Arabia |
