st52 pipe

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DIN 2391 ST52 3 seamless tube supplier in India

Maruti metals industries are trusted and verified manufacturer of ST52 tube in Mumbai. Check ST52 seamless pipe specification

ST52 pipe specification

Standard End Length
ST52, DIN 2391 Plain, Beveled End According to client requirement
Wall Thickness Types Shapes
0.5 milimeter To 8 milimeter
  • Seamless
  • Welded
  • ERW
  • LSAW
  • DSAW
Square, round
Origin Tolerance of DIN 2391 ST52 pipe Delivery Time
Indian, China ±10% 1-2 days
Available size in stock ST52 tube OD Brand Name
1/2 inch to 24 inch 4 mm to 190 mm Imported, Jindal
Standard Manufacturing technique Schedule
  • Guojia biaozhun(GB)
  • European standards (EN)
  • AISI
  • ASTM/ ASME (American)
  • Japanese industrial standards (JIS)
  • German standard (DIN)
  • GOST
Hot or cold formed
  • Sch 10
  • Sch 20
  • Sch 40
  • Sch 60
  • Sch 80
  • Sch 120
Testing methods done Value added service Application of ST52 3 tubing
  • Hardness test
  • PMI test
  • Tensile test
  • Third party inspection
  • Fatigue mechanics test
  • Impact test
  • Beveling
  • Heat treating
  • Polishing
  • Ut test
  • Oil and Gas Processing
  • Pulp and Paper sector
  • Power Plants sector
  • Construction
  • Textile Machinery
Coating Processing Packing
  • Blacking painting
  • FBE coating
  • 3PE/3LPE coating
  • Varnished coating
  • Bending
  • Decoiling
  • Welding
  • Cutting
  • Bundle form
  • Bundle packaging
  • As per client requirements
  • Container packaging

We are here to help you with ST52 honed cylinder tube and DIN 2391 ST52 nbk pipe need to be suitable for high stress and high pressure environments

Exporter of ST 52 tube

  • Jindal
  • Essilor
  • TPCO
  • Interpipe
  • Bauer steel
  • Imported
  • MSL
  • Lontrin
  • ISMT
  • Linzhou
  • Wuxi
Stockholder of DIN 2391 ST52 bk+s pipe in Asia, we offer EN 1.0570 precision steel tube with NDT & UT test at an affordable price

Types of DIN 2391 ST52 bk+s pipe

We are the oldest distributor of DIN 2391 ST52 welded pipe in Maharashtra, view DIN 2391 ST52 mechanical properties

DIN 2391 ST52 mechanical properties

Grade Cold drawn Cold drawn Anneal Cold Drawn & Stress Release Normalizing
BKW1 BK1 (GBK)1 (BKS) (NBK)1)
Tensile Elongation Tensile Elongation Tensile Elongation Tensile Yield point Elongation Tensile Yield point Elongation
N/milimeter2 % N/milimeter2 % N/milimeter2 % N/milimeter2 N/milimeter2 % N/milimeter2 N/milimeter2 %
DIN 2391 580 7 640 4 490 580 420 10

ST52 seamless pipe pressure rating

Working
Pressure
kilogram/centimeter2
Outer diameter
m/m
Inner diameter
m/m
Working
Pressure
kilogram/centimeter2
Outer diameter
m/m
Inner diameter
m/m
Working
Pressure
kilogram/centimeter2
Outer diameter
m/m
Inner diameter
m/m
Outer diameter
m/m
Inner diameter
m/m
Working
Pressure
kilogram/centimeter2
751 31 18 215 76 63 156 115 100 168 150 125
520 30 20 280 80 63 166 116 100 170 150 140
416 70 50 200 98.4 82.55 224 152 125 232 200 166
416 35 25 210 76.2 63.5 208 120 100 175 150 173
346 40 30 160 75 65 260 125 100 180 150 210
325 42 32 240 80 65 312 130 100 172 160 78
330 50 38 148 80 70 150 120 105 180 160 135
346 80 60 94 109 100 225 170 140 350 300 173
335 50.8 38.1 178 82 70 200 125 105 185 160 162
390 55 40 208 90 75 140 130 115 195 170 150
312 65 50 160 95 82.55 166 145 125 216 200 83
346 60 45 170 88.9 76.2 130 135 120 215.9 177.8 220
297 45 35 320 85 65 160 118 101.6 178 160 117
208 48 40 297 90 70 142 125 110 190.5 165.1 160
231 55 45 270 95 75 104 132 120 203.2 177.8 150
208 72 60 165 110 95 148 160 140 298 250 200
260 75 60 220 115 95 185 165 140 318 300 62
260 50 40 138 85 75 189 130 110 190 170 125
260 63.5 50.8 122 95 85 155 146 127 242 200 210
283 70 55 115 100 90 160 150 130 254 225 135
240 70 57 173 105 90 190 153 130 267 250 71
208 60 50 260 100 80 125 140 125 216 180 208
145 57 50 130 90 80 173 140 120 196 180 92
166 58 50 195 95 80 100 137 125 202 180 127
156 46 40 238 85 70 95 120 110 190 160 195
189 65 55 203 101 85 96 142 130 228.5 203.2 130
173 70 60 231 110 90 96 153 140 290 250 170
132 71 63 104 110 100 70 160 150 420 350 208
165 73 63 146 114 100 90 163 150

ST52 seamless tube chemical composition

Grade Si C P Mn S
DIN 2391 ≤0.55 ≤0.22 0.025 max ≤1.6 0.025 max

ST52 nbk steel pipe equivalent material

DIN standard ST52, ST52.3
GB standard 16Mn, Q345
Din 2393 & 2394 1.0570 St52-3
DIN 2391-2 1.0580 St52
EN10025 1.0570 S355

DIN 2391 ST52 seamless precision steel tube applications

  • Used in food processing equipment
  • Mining
  • Agricultural & farm machinery
  • Used for waste disposal transport
  • Used in automotive & transport lifting equipment
  • Hoists

ST52 carbon steel tube marking

  • Weight
  • Temperature
  • Heat treatment
  • Grade
  • End finish
  • Manufacturer & supplier name
  • License number

ST52 nbk steel pipe testing methods

  • Destructive test
  • Non-Destructive test
  • Hydrostatic test
  • Ultrasonic test
  • Charpy impact test
  • Pitting corrosion test
  • Radiographic test
  • PMI test

ST52 honed cylinder tube dimension

NPS [inches] OD [milimeter] OD[inches] Wall thickness [milimeter] Wall thickness [inches] Wt [kilogram/meter] Wt [lb/ft]
1/8 10.3 0.405 1.73 0.068 0.37 0.24
1/4 13.7 0.540 2.24 0.088 0.84 0.42
1/2 21.3 0.840 2.77 0.109 1.27 0.85
3/4 26.7 1.050 2.87 0.113 1.69 1.13
1 33.4 1.315 3.38 0.133 2.50 1.68
1 1/4 42.2 1.660 3.56 0.140 3.39 2.27
1 1/2 48.3 1.900 3.68 0.145 4.05 2.72
2 60.3 2.375 3.91 0.154 5.44 3.65
2 1/2 73.0 2.875 5.16 0.203 8.63 5.79
3 88.9 3.500 5.49 0.216 11.29 7.58
3 1/2 101.6 4.000 5.74 0.226 13.57 9.11
4 114.3 4.500 6.02 0.237 16.07 10.79
5 141.3 5.563 6.55 0.258 21.77 14.62
6 168.3 6.625 7.11 0.280 28.26 18.97
8 219.1 8.625 8.18 0.322 42.55 28.55
10 273.0 10.750 9.27 0.365 60.31 40.48
12 323.8 12.750 10.31 0.406 79.73 53.52
14 355.6 14 11.13 0.375 94.55 54.57
16 406.4 16 12.70 0.500 123.30 82.77
18 457.0 18 14.27 0.562 155.80 104.67
20 508.0 20 15.09 0.594 183.42 123.11
24 610.0 24 17.48 0.688 255.41 171.29
32 813.0 32 17.48 0.688 342.91 230.08

ST52 nbk steel welded pipe process

  • Hot rolled
  • Cold rolled
  • Grinding
  • Cutting
  • Machining/Forming Drilling

ST52 steel pipe manufacturing process

  • Hot Finished Seamless
  • Electric Resistance Welding
  • Hot Finished Welding
  • Electric Fusion Welding
  • Manual Arc Welding
  • Oxy Acetylene Welding
  • Sub merged Arc Welding
  • High Frequency Induction Welding
  • Cold Drawn Electric Resistance Welding

ST 52 ERW pipe tolerance

OD Tolerance 31-40 milimeter 4-30 milimeter 51-60 milimeter 41-50 milimeter 71-80 milimeter 61-70 milimeter 91-100 milimeter 81-90 milimeter
±0.15 milimeter ±0.08 milimeter ±0.25 milimeter ±0.20 milimeter ±0.30 milimeter ±0.30 milimeter ±0.45 milimeter ±0.40 milimeter
WT Tolerance ±10%

ST 52 schedule 80 pipe roughness

Type Roughness [inch] Roughness [milimeter]
ST52 Seamless 0.006 – 0.008 0.15 – 0.2
galvanized 0.006 0.15
welded 0.002 – 0.004 0.05 – 0.1
severely corroded 0.016 – 0.12 0.4 – 3
lightly corroded 0.004 – 0.016 0.1 – 0.4
heavy scaling 0.06 – 0.16 1.5 – 4
light scaling 0.04 – 0.06 1 – 1.5
bitumed coated 0.002 0.05