Alloy Steel Tubes
Alloy Steel Tubes
Sunraj Industries Exports Precision Seamless Carbon/ Alloy Steel Tubes/Pipes & ‘u’ Bend Product Range from 6 mm OD to 219.1mm OD, Thickness from 0.5mm to 12.7mm & Length up to 30.0Mtrs
Application Industries for Alloy Steel Tubes:
Power
Oil & Gas
Petro Chemical & Refinery
Cement Industries
Paper & Pulp Industries
Automobile
Nuclear
Refinery
Pharmaceuticals
Food & Beverage
Sugar Factory
Engineering Ind.
Test Conducted to Ensure Top class Quality & Performance
Eddy Current Testing
This is the non Destructive test carried out to detect the surface defects.
Mechanical, Non-descriptive & Corrosion Test:
Ultimate Tensile strength
Yield Point
Elongation
Reduction of areas
Flattening test
Flare or drift test
Rockwell hardness test
Dye-penetrate test
| Standard Grade | T2 | T5/P5 | T11/P11 | T12/P12 | T22/P22 | T23 | T91/P91 |
| C | 0.10-0.20 | 0.15 Max. | 0.05-0.15 | 0.05-0.015 | 0.05-0.15 | 0.04-0.10 | 0.08-0.12 |
| Mn | 0.30-0.61 | 0.30-0.60 | 0.30-0.60 | 0.30-0.61 | 0.30-0.60 | 0.10-0.60 | 0.30-0.60 |
| P | 0.025 Max. | 0.025 Max. | 0.025 Max. | 0.025 Max. | 0.025 Max. | 0.030 Max. | 0.02 Max. |
| S | 0.025 Max. | 0.025 Max. | 0.025 Max. | 0.025 Max. | 0.025 Max. | 0.010 Max. | 0.01 Max. |
| Si | 0.10-0.30 | 0.5 Max. | 0.50-1.00 | 0.50 Max. | 0.50 Max. | 0.50 Max. | 0.20-0.50 |
| Cr | 0.50-0.81 | 4.00-6.00 | 1.00-1.50 | 0.80-1.25 | 1.90-2.60 | 1.90-2.60 | 8.00-9.50 |
| Mo | 0.44-0.65 | 0.45-0.65 | 0.44-0.65 | 0.44-0.65 | 0.05-0.30 | 0.05-0.30 | 0.85-1.05 |
| V | 0.18-0.25 | ||||||
| Yield Strength N/mm2 | 205 Min. | 205 Min. | 205 Min. | 220 Min. | 205 Min. | 400 Min. | 415 Min. |
| Tensile Strength N/mm2 | 380 Min. | 415 Min. | 415 Min. | 415 Min. | 415 Min. | 510 Min. | 585 Min. |
| Elogation(%) | 30 Min. | 30 Min. | 30 Min. | 30 Min. | 30 Min. | 20 Min. | 20 Min. |
| Hardness | 85 Max.HRB | 85 Max.HRB | 85 Max.HRB | 85 Max.HRB | 85 Max.HRB | 85 Max.HRB | 25 Max.HRC |
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