Our Products-
| Specifications | ASTM B446 / ASTM SB446 |
| size | 2-100mm A/F |
|---|---|
| Square bar size | 4 to 100mm |
| Flat bar size | Thickness: 2 -100mm Width: 10 to 500mm |
| Round bar size | Diameter: 3-~800mm |
| Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Section | 3.0 to 12.0mm thickness |
| Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Billet Size | 1/2" to 495mm Diameter |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Surface | Hot Rolled Pickled, Bright, Sand Blasting Finished, Cold Drawn, Hairline, Polished |
| Condition | Hardened & tempered, annealed |
| Technique | Cold Drawn, Hot Rolled, Forged Round Bar,Cold Rolled, Rod |
| Processing | Bar cutting to 650mm |
| Form | Round, Welding Rod, T-Bar, Rod, Precision Ground Bar, Channel Bar, Square, Flat Bar, Blocks, Round Rod, Hollow, Rings, Rectangle, Hex (A/F), Triangle, Threaded, Profiles, Billet, Ingot, I/H Bar, Half Round Bar, Forging etc. |
| Metric | US Bar | ASTM/ Canadian | Japanese | ||||
|---|---|---|---|---|---|---|---|
| Bar Size | Diam. (mm) | Bar Size | Diam. (Inch) | Bar Size | Diam. (mm2) | Bar Size | Diam. (mm) |
| 5 | 5 | #2 | 0.250 | 10M | 100 | 6 | 6 |
| 5.5 | 5.5 | #3 | 0.375 | 15M | 200 | 10 | 10 |
| 6 | 6 | #4 | 0.500 | 20M | 300 | 13 | 13 |
| 7 | 7 | #5 | 0.600 | 25M | 500 | 16 | 16 |
| 8 | 8 | #6 | 0.750 | 30M | 700 | 19 | 19 |
| 9 | 9 | #7 | 0.875 | 35M | 1000 | 22 | 22 |
| 10 | 10 | #8 | 1.000 | 45M | 1500 | 25 | 25 |
| 11 | 11 | #9 | 1.125 | 55M | 2500 | 29 | 29 |
| 12 | 12 | #10 | 1.250 | 32 | 32 | ||
| 14 | 14 | #11 | 1.375 | 35 | 35 | ||
| 16 | 16 | #12 | 1.500 | 38 | 38 | ||
| 18 | 18 | #13 | 1.600 | 41 | 41 | ||
| 20 | 20 | #14 | 1.750 | 44 | 44 | ||
| 22 | 22 | #15 | 1.875 | 48 | 48 | ||
| 25 | 25 | #16 | 2.000 | 51 | 51 | ||
| 28 | 28 | #18 | 2.250 | 57 | 57 | ||
| 32 | 32 | ||||||
| 36 | 36 | ||||||
| 40 | 40 | ||||||
| 44 | 44 | ||||||
| 50 | 50 | ||||||
|
ELEMENT
|
COMPOSITION, %
|
|
Carbon
|
0.35 max
|
|
Manganese
|
0.60-1.05
|
|
Phosphorus
|
0.035 max
|
|
Sulfur
|
0.040 max
|
|
Silicon
|
0.10-0.35
|
|
Copper
|
0.40 max (1)
|
|
Nickel
|
0.40 max (1)
|
|
Chromium
|
0.30 max (1-2)
|
|
Molybdenum
|
0.12 max (1-2)
|
|
Vanadium
|
0.08 max
|
|
Mechanical Properties
|
Requirements
|
|---|---|
|
Tensile strength,min,psi [MPa]
|
70000 [485]
|
|
Yield strength,min,psi [MPa]
|
36000 [250]
|
|
Elongation, min, %
|
30
|
|
Reductionofarea,min,%
|
30
|
|
Hardness,HB,max
|
187
|
|
Density (lb / cu. in.)
|
0.284
|
|
Specific Gravity
|
7.9
|
|
Specific Heat (Btu/lb/Deg F – [32-212 Deg F])
|
0.107
|
|
Melting Point (Deg F)
|
2740
|
|
Thermal Conductivity
|
360
|
|
Mean Coeff Thermal Expansion
|
6.7
|
|
Modulus of Elasticity Tension
|
30
|
|
Modulus of Elasticity Torsion
|
11
|