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ST52 Hollow Bar

Brochure Downloads
Hollow Bar Chart
Special Steels Booklet
Special Steels Brochure

Chemical Composition

Element Min Max
Carbon 0.18 0.23
Silicon 0.50 0.55
Manganese 1.50 1.80
Phosphorous – 0.05
Sulphur – 0.05

Mechanical Properties

Tensile Strength; MPa min. 520
Yield Strength: MPa min. 310
Elongation % min. 18

Foreign Equivalent Specifications

Standard German Mat. No. Din AISI
1.0580 St52 1518

Stock Size Range

Size – mm Wall Thickness Mass Size – mm Wall thickness Mass
O/D I/D mm kg/m O/D I/D mm kg/m
32 16 8 5.0 71 56 7.5 12.7
36 16 10 6.7 75 40 17.5 25.8
40 25 7.5 6.4 75 45 15 23.3
45 28 8.5 8.1 75 50 12.5 20.3
45 32 6.5 6.6 75 60 7.5 13.6
50 25 12.5 12 80 40 20 30.6
50 32 9 9.6 80 45 17.5 28.3
50 40 5 4.6 80 50 15 25.2
56 28 14 15 80 63 8.5 16.3
56 36 10 11.5 85 40 22.5 35.2
56 40 8 10 85 45 20 33.3
63 32 15.5 18.6 85 50 17.5 30.5
63 40 11.5 15.2 85 55 15 27.2
63 45 9 12.7 85 67 9 18.3
63 50 6.5 9.9 85 75 5 9.9
71 36 17.5 23.7 90 50 20 35.8
71 45 13 19.5 90 63 13.5 27
71 50 10.5 15.2 90 71 9.5 20.5
95 50 22.5 41.6 170 150 10 40.1
95 63 16 32.7 180 100 40 143.4
95 67 14 29.7 180 112 34 123.4
95 75 10 22.9 180 125 27.5 109.5
100 56 22 43.9 180 140 20 82.8
100 71 14.5 32.4 180 150 15 68
100 80 10 24.2 180 160 10 42.6
106 56 25 51.8 190 106 42 159
106 63 21.5 47 190 132 29 121.5
106 71 17.5 40 190 150 20 88
106 80 13 32 190 160 15 72.3
106 85 10.5 25.9 200 112 44 176
106 90 8 19.7 200 140 30 133.1
112 63 24.5 54.9 200 160 20 96.8
112 80 16 40.1 212 125 43.5 188.4
112 90 11 30 212 150 31 147
118 63 27.5 63.7 212 160 26 125.2
118 80 19 48.9 212 170 21 108
118 90 14 38.8 224 160 32 161
125 71 27 67.8 224 170 27 139.5
125 80 22 58.6 224 180 22 120
125 90 17.5 49.4 236 140 48 232
125 100 12.5 37.8 236 170 33 176
132 100 16 45.9 236 190 23 132.2
140 80 30 84.7 250 150 50 245
140 100 20 63 250 180 35 185
140 112 14 47.5 250 200 25 138.7
150 80 35 102.9 267 167 50 268
150 90 30 93.2 267 187 40 224
150 100 25 77.8 267 217 25 150
150 106 22 70.2 267 228 19.5 120
150 112 19 62.2 270 200 35 202.8
150 125 12.5 47 273 173 50 276
160 90 35 112 273 193 40 231
160 100 30 100.9