Technical conditions for plates of P265GH

1. Scope
The technical conditions apply to pressure vessel steel plates of P265GH with thickness not more than 250mm. (8mm-250mm).
2. Adopt standard:
EN10028-2: 2003 Flat products made of steels for pressure purposes Part 2: Non-alloy and alloy steels with specified elevated temperature properties
EN10163-2:2004 Delivery requirements for surface condition of hot-rolled steel plates, wide flats and sections - Part 2: Plate and wide flats Class B.
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 Cr Cu Mo Nb Ti V N
Max 0.20 Max 0.40 0.80- 1.40 Max 0.025 Max 0.015 Min 0.020 Max 0.30 Max 0.30 Max 0.08 Max 0.020 Max 0.030 Max 0.020 Max 0.012

4.2 Carbon equivalent (CEq)
Carbon equivalent shall be not more than 0.43 for plates of P265GH.
Carbon equivalent shall be calculated as follows:
CEq=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 (%)
4.3 Mechanical properties
The mechanical properties of P265GH shall meet the requirement as table 2.
Table 2 Tensile properties
Thickness mm Yield strength MPa Tensile strength MPa 0C Akv (J) Elongation %
8-60 Min 265 410-530 Min 34J Min 22
60-100 Min 245 410-530 Min 34J Min 22
100-150 Min 215 400-530 Min 34J Min 22
150-250 Min 200 390-530 Min 34J Min 22

4.4 SWHT: The optimized SWHT technology is as follows: heating at 610℃+/-10℃ for 7h, then followed by cooling in furnace to 400℃, then for air cooling.
4.5 Minimum values for the proof strength Rp0.2 at elevated temperatures shall meet the requirements per table 4.

Table 4 High temp Tensile properties
Test TEMP Thickness mm 300℃ 350℃ 400℃
Rp0.2
Min (MPa) 8-60 173 160 150
 61-100 160 148 139
 101-150 140 130 122
 151-250 130 121 114

4.6 Ultrasonic inspection
Plates shall be ultrasonic inspected per EN10160-1999 S2E2.
4.7 Test method and inspection rules
Test items, sampling quantity, sampling method and test method shall conform to table 5.
Table 5 Test items for plates
No. Test item Quantity, Piece Sampling method Test method
1 Chemical composition (Ladle analysis) 1 (per batch furnace number) EN10028-2 EN10028-2
2 Tensile test 1 (Rolled pc) EN10028-1 EN10028-1
3 Impact test at 0C 1 (Rolled pc) EN10028-1 EN10028-1
4 High temperature tensile test 3 (Rolled pc) EN10164 EN10164
5 Bend test 1 (Rolled pc) EN10028-1 EN10028-1
6 UT 1 (Product pc)  EN10160

5. Package, marking and certificate
Package, marking and certificate shall conform to EN10028-1.
6. The third party inspection
The chemical composition, tensile test and Charpy -V impact test for plates of P265GH shall be witnessed by surveyor of TUV.
7. Delivery conditions
The delivery conditions for plates of P265GH shall be Normalized, Temperature range 890-950℃.
8. Other requirements
The other requirements for plates of P265GH shall be accordance with EN10028-2.
MTC accordance with EN10204 3.2

More technical details and the MTC require please visit our web site: www.gloriasteel.com or contact us.

Sales Contact:

Sale engineer: Mr.Toby
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We're Gloria Steel from China and focusing on Iranian Oil and Gas fields services. Rely on our experienced processed team and very refined apparatus to supply excellent product and our service. All materials come from " the approved vendor list of NIOC and NIGC".
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Wuyang steel's High pressure heavy steel plate: ASTM A516Gr70N+S3+S5, A335, A514, A517, P460NH, P355NL2, SA387Gr11CL2+HIC, EN10028-4, EN10025-6, and so on. Thickness 8-780mm*width 1500-4020*Length

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Thickness 0.20mm-120mm*1000-3000*Length

BFTI's Cold rolled or Hot Rolled Titanium sheet/plate:
ASTM B265-2010, B122, B171, B466 , ASTM F136, AMS 4928
Grade Gr1, Gr2, Gr3, Gr4, Gr5, Gr7, Gr9, Gr11,Gr12,Gr19,Gr23 Thickness 0.3mm-60mm*Width 400-3000mm*Length

SZSSP's Nickel-base alloy G3 tubing and casing: ISO 13680  28Cr, 27-31-4, 110KSI; Super-duplex SMLS stainless steel pipe UNS S32750,UNS S32760,UNS N08028, UNS N08535 all size range or with Premium Thread such as NEW VAM, VAM TOP HC, VAM MUST, Hunting Seal-Lock HT, equivalence for the needs of Oil and Gas Projects in Iran.

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