ASTM A295 Automotive Steel Tubes Anti Friction High Carbon Seamless Steel Pipe
ASTM A295 High carbon Anti-friction bearing steel tube
Standard : ASTM A295
Steel grade : 52100,5195,UNS K19526, 1070M,5160
O.D. :5-420mm W.T. :0.5-50mm
Technical standard : Hot-rolled, cold finished.
Hardness:
Hot-Rolled ,Annealed 207HB
Cold-finshed ,Annealed 331HB
Decarburization and Surface Imperfections forTubes
| O.D. in.(mm) | Hot-Rolled Annealed | Cold-finished Annealed |
| Through1.000(25.4) | 0.012(0.30) | 0.010(0.25) |
| Over1.000(25.4)to2.000(50.8),incl | 0.020(0.51) | 0.014(0.36) |
| Over2.000(50.8to3000(76.2),incl | 0.030(0.76) | 0.019(0.48) |
| Over3.000(76.2)to4000(101.6),incl | 0.035(0.89) | 0.024(0.61) |
| Over4.000(101.6)to5000(127.0),incl | 0.040(1.02) | 0.028(0.71) |
Chemical Composition:
| Steel grade | C | Mn | p | S | Si | Cr | Ni | Cu | Mo max) | Al | O |
| 52100 | 0.93-1.05 | 0.25-0.45 | 0.025 | 0.015 | 0.15-0.35 | 1.35-1.60 | 0.25 | 0.30 | 0.10 | 0.050 | 0.0015 |
| 5195 | 0.90-1.03 | 0.75-1.00 | 0.025 | 0.015 | 0.15-0.35 | 0.70-0.90 | 0.25 | 0.30 | 0.10 | 0.050 | 0.0015 |
| UNS K19526 | 0.89-1.01 | 0.50-0.80 | 0.025 | 0.015 | 0.15-0.35 | 0.40-0.60 | 0.25 | 0.30 | 0.08-0.15 | 0.050 | 0.0015 |
| 1070M | 0.65-0.75 | 0.80-1.10 | 0.025 | 0.015 | 0.15-0.35 | 0.20(max) | 0.25 | 0.30 | 0.10 | 0.050 | 0.0015 |
| 5160 | 0.56-0.64 | 0.75-1.00 | 0.025 | 0.015 | 0.15-0.35 | 0.70-0.90 | 0.25 | 0.30 | 0.10 | 0.050 | 0.0015 |
Referenced Documents:
A29/A29M Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
A892 Guide for Defining and Rating the Microstructure of High Carbon Bearing Steels
E45 Test Methods for Determining the Inclusion Content of Steel
E112 Test Methods for Determining Average Grain Size
E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
E1019 Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel, Iron, Nickel, and Cobalt Alloys by Various Combustion and Fusion Techniques
E1077 Test Methods for Estimating the Depth of Decarburization of Steel Specimens
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