SSAB Boron Tube 22
Download data sheet
Download data sheet
SSAB Boron Tube 22 is a precision tube for hardening. It offers good workshop properties in delivery condition. The degree of hardness and toughness that can be achieved after heat-treatment will provide the final products with wear- and shock resistance properties that assure longer lifetime.
SSAB Boron Tube 22 is available at circular, square and rectangular shapes.
Shapes | Dimensions |
---|---|
Circular (mmin) | 16 - 88.90.63 - 3.50 |
Square (mmin) | 19x19 - 70x70 |
Rectangular (mmin) | 25x15 - 100x40 |
Wall thickness (mmin) | 0.9 - 3.00.04 - 0.12 |
Mill length (mm) | 6000 |
Other shapes, sizes and lengths are available upon request.
Outer diameter (mmin) | 0.9 mm (kg/m) | 1.0 mm (kg/m) | 1.25 mm (kg/m) | 1.5 mm (kg/m) | 2.0 mm (kg/m) | 2.5 mm (kg/m) | 3.0 mm (kg/m) |
---|---|---|---|---|---|---|---|
160.63 | 0.335 | 0.370 | 0.455 | 0.536 | 0.691 | — | — |
180.71 | 0.380 | 0.419 | 0.516 | 0.610 | 0.789 | — | — |
190.75 | 0.402 | 0.444 | 0.547 | 0.647 | 0.838 | — | — |
200.79 | 0.424 | 0.469 | 0.578 | 0.684 | 0.888 | — | — |
220.87 | 0.468 | 0.518 | 0.640 | 0.758 | 0.986 | 1.20 | — |
250.98 | 0.535 | 0.592 | 0.732 | 0.869 | 1.13 | 1.39 | 1.63 |
25.41.00 | 0.544 | 0.602 | 0.744 | 0.884 | 1.15 | 1.41 | 1.66 |
281.1 | 0.601 | 0.666 | 0.825 | 0.980 | 1.28 | 1.57 | 1.85 |
301.2 | 0.646 | 0.715 | 0.886 | 1.05 | 1.38 | 1.70 | 2.00 |
321.3 | — | 0.765 | 0.948 | 1.13 | 1.48 | 1.82 | 2.15 |
351.4 | — | 0.838 | 1.04 | 1.24 | 1.63 | 2.00 | 2.37 |
381.5 | — | 0.912 | 1.13 | 1.35 | 1.78 | 2.19 | 2.59 |
401.6 | — | 0.962 | 1.20 | 1.42 | 1.87 | 2.31 | 2.74 |
411.6 | — | 0.990 | 1.22 | 1.46 | 1.92 | 2.37 | 2.81 |
41.51.63 | — | 0.999 | 1.24 | 1.48 | 1.95 | 2.40 | 2.85 |
44.51.75 | — | 1.07 | 1.33 | 1.59 | 2.10 | 2.59 | 3.07 |
481.9 | — | — | 1.44 | 1.72 | 2.27 | 2.81 | 3.33 |
502.0 | — | — | 1.50 | 1.79 | 2.37 | 2.93 | 3.48 |
50.82.00 | — | — | 1.53 | 1.82 | 2.41 | 2.98 | 3.54 |
552.2 | — | — | 1.66 | 1.98 | 2.61 | 3.24 | 3.85 |
572.2 | — | — | 1.72 | 2.05 | 2.71 | 3.36 | 4.00 |
602.4 | — | — | 1.81 | 2.16 | 2.86 | 3.55 | 4.22 |
702.8 | — | — | — | 2.53 | 3.35 | 4.16 | 4.96 |
76.13.00 | — | — | — | 2.76 | 3.65 | 4.54 | 5.41 |
88.93.50 | — | — | — | — | 4.29 | 5.33 | 6.36 |
Height x Width (mm) | 1.0 mm (kg/m) | 1.25 mm (kg/m) | 1.5 mm (kg/m) | 2.0 mm (kg/m) | 2.5 mm (kg/m) | 3.0 mm (kg/m) |
---|---|---|---|---|---|---|
19 x 19 | 0.564 | 0.694 | 0.820 | 1.06 | — | — |
20 x 20 | 0.595 | 0.733 | 0.868 | 1.12 | — | — |
25 x 25 | 0.752 | 0.930 | 1.10 | 1.44 | 1.76 | — |
30 x 30 | 0.909 | 1.13 | 1.34 | 1.75 | 2.15 | 2.39 |
32 x 32 | 0.972 | 1.20 | 1.43 | 1.88 | 2.31 | 2.58 |
35 x 35 | 1.07 | 1.32 | 1.57 | 2.07 | 2.54 | 2.86 |
40 x 40 | — | 1.52 | 1.81 | 2.38 | 2.93 | 3.33 |
50 x 50 | — | 1.91 | 2.28 | 3.01 | 3.72 | 4.28 |
60 x 60 | — | — | 2.75 | 3.64 | 4.50 | 5.22 |
70 x 70 | — | — | — | 4.26 | 5.29 | 6.16 |
Height x Width (mm) | 1.0 mm (kg/m) | 1.25 mm (kg/m) | 1.5 mm (kg/m) | 2.0 mm (kg/m) | 2.5 mm (kg/m) | 3.0 mm (kg/m) |
---|---|---|---|---|---|---|
25 x 15 | 0.595 | 0.733 | 0.868 | 1.12 | — | — |
30 x 10 | 0.595 | 0.733 | 0.868 | 1.12 | — | — |
30 x 15 | 0.673 | 0.831 | 0.985 | 1.28 | — | — |
30 x 20 | 0.752 | 0.930 | 1.10 | 1.44 | 1.76 | — |
30 x 25 | 0.830 | 1.03 | 1.22 | 1.59 | 1.95 | — |
35 x 15 | 0.752 | 0.930 | 1.10 | 1.44 | 1.76 | — |
35 x 20 | 0.830 | 1.03 | 1.22 | 1.59 | 1.95 | 2.16 |
40 x 20 | 0.909 | 1.13 | 1.34 | 1.75 | 2.15 | 2.39 |
40 x 25 | 0.987 | 1.22 | 1.46 | 1.91 | 2.34 | 2.63 |
40 x 30 | 1.07 | 1.32 | 1.57 | 2.07 | 2.54 | 2.86 |
50 x 20 | 1.07 | 1.32 | 1.57 | 2.07 | 2.54 | 2.86 |
50 x 25 | — | 1.42 | 1.69 | 2.22 | 2.74 | 3.10 |
50 x 30 | — | 1.52 | 1.81 | 2.38 | 2.93 | 3.33 |
50 x 40 | — | 1.71 | 2.05 | 2.69 | 3.33 | 3.80 |
60 x 20 | — | 1.52 | 1.81 | 2.38 | 2.93 | 3.33 |
60 x 30 | — | 1.71 | 2.05 | 2.69 | 3.33 | 3.80 |
60 x 40 | — | 1.91 | 2.28 | 3.01 | 3.72 | 4.28 |
70 x 25 | — | — | 2.16 | 2.85 | 3.52 | 4.04 |
70 x 30 | — | — | 2.28 | 3.01 | 3.72 | 4.28 |
70 x 50 | — | — | 2.75 | 3.64 | 4.50 | 5.22 |
80 x 20 | — | — | 2.28 | 3.01 | 3.72 | 4.28 |
80 x 30 | — | — | 2.52 | 3.32 | 4.11 | 4.74 |
80 x 40 | — | — | 2.75 | 3.64 | 4.50 | 5.22 |
80 x 60 | — | — | — | 4.26 | 5.29 | 6.16 |
100 x 40 | — | — | — | 4.26 | 5.29 | 6.16 |
Condition | Yield strength Rp0.2 (min MPa) |
Tensile strength Rm (min MPa) |
Elongation A (min %) |
---|---|---|---|
As delivered | 430 | 450 | 12 |
Typical mechanical properties when quenched to water:
Rp0.2 ~1100 Mpa; Rm ~1400 MPa; A~8%
C (max %) |
Si (max %) |
Mn (max %) |
S (max %) |
Cr (max %) |
B (max %) |
---|---|---|---|---|---|
0.25 | 0.40 | 1.40 | 0.010 | 0.40 | 0.0050 |
Characteristic | Circular precision tubesTolerances meet or exceed the requirements of EN 10305-3 |
---|---|
Outside diameter (D) (1D < 20 mm20 ≤ D < 32 mm32 ≤ D < 44 mm44 ≤ D < 55 mm55 ≤ D < 70 mm70 ≤ D < 80 mm80 ≤ D < 100 mm | ±0.12 mm±0.15 mm±0.20 mm±0.25 mm±0.30 mm±0.35 mm±0.40 mm |
Out-of-roundness | The diameter tolerances include the out-of-roundness |
Thickness (T) | T ≤ 1.5 mm: ±0.15 mm T>1.5 mm: ±10% of nominal thickness or ±0.35 mm whichever is the smaller |
Straightness | Maximum 0.15% of measured length |
Height of internal weld bead, g;Bead removedBead not removed | g ≤ 0.3 mmg < 0.6 mm, when T ≤ 1.5 mmg < 0.4 x T, when 1.5 mm < T ≤ 3.0 mm |
Mill length | 0/+50 mm, standard length 6000 mm |
Exact length, single cutting | Agreed at the time of enquiry and order |
Exact length, bundle cutting | Agreed at the time of enquiry and order |
1)For a maximum distance of 100 mm, the ends may, due to the cutting method, have diameters outside the tolerances.
Characteristic | Square precision tubesTolerances meet or exceed the requirements of EN 10305-5 |
---|---|
Outside dimensions (H) and (B), longer side1)H < 25 mm25 ≤ H < 40 mm40 ≤ H < 60 mm60≤ H < 70 mm70 ≤ H < 80 mm | ±0.20 mm±0.25 mm±0.30 mm±0.35 mm±0.40 mm |
Side concavity and convexity | Included in outside dimension tolerance |
Thickness (T) | T≤ 1.5 mm: ±0.15 mm T>1.5 mm: ±10% of nominal thickness or ±0.35 mm whichever is the smaller |
Straightness | Maximum 0.15% of measured tube length when shorter side length > 30 mm Maximum 0.25% of measured tube length when the shorter side length ≤ 30 mm |
Location of weld seam from the centre line | On narrow side for square and rectangular, optionally on wide side. On wide side for flat oval and ellipse. ± 10% of side length or ± 3 mm, whichever is greater. |
Height of internal weld bead, g;Bead removedBead not removed | g ≤ 0.3 mmg < 0.6 mm, when T ≤ 1.5 mmg < 0.4 x T, when 1.5 mm < T ≤ 3.0 mm |
Squareness of side | 90° ±1° |
Corner profile | R < 1.5 x T, when T ≤ 2.5 mm R < 2.2 x T, when T > 2.5 mm |
Twist (V) | V ≤ 3 mm for B and H ≤ 30 mmV ≤ B/10 or ≤ H/10 for B or H > 30 mm |
Mill length | 0/+50 mm, standard length 6000 mm |
Exact length, single cutting | Agreed at the time of enquiry and order |
Exact length, bundle cutting | Agreed at the time of enquiry and order |
1)For a maximum distance of 100 mm, the ends may, due to the cutting method, have diameters outside the tolerances.
Characteristic | Rectangular precision tubes Tolerances meet or exceed the requirements of EN 10305-5 |
---|---|
Outside dimensions (H) and (B), longer side1)H < 25 mm25 ≤ H < 40 mm40 ≤ H < 60 mm60≤ H < 70 mm70 ≤ H < 80 mm80 ≤ H < 90 mm90 ≤ H < 100 mm100 ≤ H < 120 mm | ±0.20 mm±0.25 mm±0.30 mm±0.35 mm±0.40 mm±0.50 mm±0.60 mm±0.65 mm |
Side concavity and convexity | Included in outside dimension tolerance |
Thickness (T) | T≤ 1.5 mm: ±0.15 mmT>1.5 mm: ±10% of nominal thickness or ±0.35 mm whichever is the smaller |
Straightness | Maximum 0.15% of measured tube length when shorter side length > 30 mm Maximum 0.25% of measured tube length when the shorter side length ≤ 30 mm |
Location of weld seam from the centre line | On narrow side for square and rectangular, optionally on wide side. On wide side for flat oval and ellipse. ± 10% of side length or ± 3 mm, whichever is greater. |
Height of internal weld bead, g;Bead removedBead not removed | g ≤ 0.3 mmg < 0.6 mm, when T ≤ 1.5 mm g < 0.4 x T, when 1.5 mm < T ≤ 3.0 mm |
Squareness of side | 90° ±1° |
Corner profile | R < 1.5 x T, when T ≤ 2.5 mm R < 2.2 x T, when T > 2.5 mm |
Twist (V) | V ≤ 3 mm for B and H ≤ 30 mm V ≤ B/10 or ≤ H/10 for B or H > 30 mm |
Mill length | 0/+50 mm, standard length 6000 mm |
Exact length, single cutting | Agreed at the time of enquiry and order |
Exact length, bundle cutting | Agreed at the time of enquiry and order |
1)For a maximum distance of 100 mm, the ends may, due to the cutting method, have diameters outside the tolerances.