Technical conditions for plates of 11MnNi5-3

Gloria Steel Limited

  • Technical conditions for plates of 11MnNi5-30
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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 11MnNi5-3

1. Scope
The technical conditions apply to plates of 11MnNi5-3 with thickness not more than 80mm. (8mm-80mm)
2. Adopt standard:
BS EN10028-4 Flat products made of steels for pressure purposes-Nickel alloy steels with specified low temperature properties.
3. Dimension, Shape, Weight and Permissible Deviation
The dimension, shape, weight and permissible deviation shall meet the requirements of EN10029.
4. Technical conditions
4.1 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 Nb V Ni
Max 0.14 Max 0.50 0.70- 1.50 Max 0.020 Max 0.010 Min 0.02 Max 0.05 Max 0.05 0.30- 0.85
Note: Ni+Cu+Mo =<0.50%

4.2 Mechanical properties
The mechanical properties of 11MnNi5-3 shall meet the requirement as table 2.
Table 2 Tensile properties
Thickness mm Yield strength MPa Tensile strength MPa -60 C Akv (J)
Transverse Elongation % Bend test
180C
8-30 Min 285 420-530 Min 27J Min 24 d=3a
31-50 Min 275 420-530 Min 27J Min 24 d=3a
51-80 Min 265 420-530 Min 27J Min 24 d=3a

4.3 Surface quality
The surface quality of plates shall be accordance with EN10163-2.
4.4 Ultrasonic inspection
Plates shall be ultrasonic inspected per EN10160-1999 S2E2.
4.5 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) EN10028-4 EN10028-4
2 Tensile test 1 (Rolled pc) EN10028-1 EN10028-1
3 Impact test at -60C 3 (Rolled pc) EN10028-1 EN10028-1
4 Product analysis 1 (Product pc) EN10028-1 EN10028-1
5 Ultrasonic test Each product pc EN10160 EN10160

5. 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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