Technical conditions for plates of P355NL2

Gloria Steel Limited

  • Technical conditions for plates of P355NL20
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4-Dec-13
Steel Plate/Flat products
US $3,000.00 / MT
10.00 MT
L/C, T/T
China
Standard seaworthy export packing or as your requirement.
30 day(s).

Product Details

Technical conditions for plates of P355NL2

1. Scope
The technical conditions apply to plates of P355NL2 with thickness not more than 250mm. (8mm-250mm)
2. Dimension, Shape, Weight and Permissible Deviation
The dimension, shape, weight and permissible deviation shall meet the requirements of EN10029.
3. Technical conditions
3.1 Chemical composition (Ladle analysis)
The chemical composition of plates shall be accordance with the following table 1.
Table 1 Chemical composition (Ladle analysis)
C Si Mn P S Alt Cr Cu Mo Nb Ni
Max 0.18 Max 0.50 1.10- 1.70 Max 0.025 Max 0.015 Min 0.02 Max 0.30 Max 0.30 Max 0.08 Max 0.05 Max 0.50

3.2 Carbon equivalent (CEq)
Carbon equivalent shall be not more than 0.45 for plates of P355NL2.
Carbon equivalent shall be calculated as follows:
CEq=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 (%)
3.3 Mechanical properties
The mechanical properties of P355NL2 shall meet the requirement as table 2.
Table 2 Tensile properties
Thickness mm Yield strength MPa Tensile strength MPa -50C Akv (J) Elongation %
8-60 Min 355 490-630 Min 27J Min 22
60-100 Min 355 490-630 Min 27J Min 21
100-150 Min 315 470-610 Min 27J Min 21
150-250 Min 295 450-590 Min 27J Min 21

3.4 Surface quality
The surface quality of plates shall be accordance with EN10163-2.
3.5 Ultrasonic inspection
Plates shall be ultrasonic inspected per EN10160-1999 S2E2.
3.6 Test method and inspection rules
Test items, sampling quantity, sampling method and test method shall conform to table 4.
Table 4 Test items for plates
No. Test item Quantity, Piece Sampling method Test method
1 Chemical composition (Ladle analysis) 1 (per batch furnace number) EN10028-3 EN10028-3
2 Tensile test 1 (Rolled pc) EN10028-1 EN10028-1
3 Impact test at -50C 1 (Rolled pc) EN10028-1 EN10028-1
4 Thickness tension 3 (Rolled pc) EN10164 EN10164

4. Package, marking and certificate
Package, marking and certificate shall conform to EN10028-1.

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Gloria Steel Limited
23-Oct-2013
China
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