Technical conditions for plates of P460NH

Gloria Steel Limited

  • Technical conditions for plates of P460NH0
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4-Dec-13
Steel Plate/Flat products
US $3,000.00 / MT
10.00 MT
L/C, T/T
Standard seaworthy export packing or as your requirement.
30 day(s).

Product Details

Technical conditions for plates of P460NH

1. Scope
The technical conditions apply to plates of P460NH 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 V
Max 0.20 Max 0.60 1.10- 1.70 Max 0.020 Max 0.010 Min 0.02 Max 0.30 Max 0.70 Max 0.10 Max 0.05 Max 0.80 Max 0.20

3.2 Carbon equivalent (CEq)
Carbon equivalent shall be not more than 0.53 for plates of P460NH.
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 P460NH shall meet the requirement as table 2.
Table 2 Tensile properties
Thickness mm Yield strength MPa Tensile strength MPa -20C Akv (J) Elongation %
8-40 Min 460 570-720 Min 30J Min 17
41-100 Min 460 540-710 Min 30J Min 21
101-150 Min 430 540-710 Min 30J Min 21
151-250 Min 400 540-710 Min 30J 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 S1E2.
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 -20C 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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