Name : Leading EN 10253-2 Grade P355NH Alloy Steel Seamless Pipes Suppliers | Hollow Sections Manufacturers in China
EN 10253-2 Grade P355NH Specification
EN Specification alloy steel Pipes are used for high temperature service applications.Seamless Alloy Steel Pipes according to EN 10253-2 Grade P355NH are reheated and furnished in full annlealed , isothermal annealed or normalised quenched and tempered condition .EN 10253-2 Grade P355NH Alloy Steel Seamless Pipes have a typical chemistry with additions of max 0.30 Chromium and max 0.08 Molybdenum.Bearing minimum tensile strength of 490 Mpa and maximum tensile strength 650 Mpa , EN 10253-2 Grade P355NH Pipes have a minimum yield strength of 355 Mpa.
Chemical Properties | |||||||||
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Carbon | Silicon | Manganese | Phosphorous | Sulphur | Molybdenum | Nickel | Chromium | Copper | Others |
max 0.20 | max 0.50 | 0.90-1.70 | 0.03 | 0.025 | max 0.08 | min 0.50 | max 0.30 | max 0.30 | Nb min 0.0 |
Mechanical Properties | |||||||||
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Yield Strength | Tensile Strength | Elongation A5 min | |||||||
MPa min | ksi min | MPa min | MPa min | ksi min | Percentage | ||||
490 | 650 | – | 22 |
Equivalent Designation | |||||
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DIN | EN | BS | NFA | ASTM | ASME |
DIN 17178 Grade FGP 36 W | EN 10253-2 Grade P355NH | NFA A 36-2051) Grade A 52 AP | ASTM A 516 Grade 70 | ASME SA 516 Grade 70 | –
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The maximum deviation from the straight line is 1 mm on a gauge length of 1000 mm.
The maximum out-of-roundness is 65% of the total outer diameter tolerance.
EN 10253-2 Grade P355NH Pipe Pictures