Technical conditions for Conventional Island high pressure heater of SA387Gr12CL1

1. Scope
The technical conditions apply to plates of SA387Gr12CL1 with thickness range 10mm-120mm used for Sanmen nuclear power station (AP1000).
2. Adopt standard:
ASME SA387/SA387M Specification for pressure vessel plates, alloy steel, Chromium-Molybdenum
ASME SA20/SA20M Standard Specification for General Requirements for Steel Plates for Pressure Vessels
ASME SA370 Standard Test Methods and Definitions for Mechanical Testing of Steel Products
3. Dimension, Shape, Weight and Permissible Deviation
The dimension, shape, weight and permissible deviation shall meet the requirements of ASME SA20/SA20M.
The thickness toleration: -0.25mm/+3.5mm
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)
Thickness
mm C Si Mn P S Cu Cr Mo V NB
Ladle analysis 0.05- 0.17 0.15- 0.40 0.40- 0.65 Max 0.030 Max 0.020 Max 0.20 0.80- 1.15 0.45- 0.60 Max 0.03 Max 0.02
Product analysis 0.04- 0.17 0.13- 0.45 0.35- 0.73 Max 0.030 Max 0.020 Max 0.20 0.74- 1.21 0.40- 0.65 Max 0.04 Max 0.02

Note: Ladle analysis sampling per furnace and product analysis per each PC finished product.

4.2 Steel making process: EAF+LF/VD
4.3 Mechanical properties
The mechanical properties of SA387Gr12CL1 shall meet the requirement as table 2&3.
Table 2 Tensile properties
Yield strength MPa Tensile strength MPa Elongation % Bend test
D=3a
Min 230 380-550 Min 22 180C un-cracked

4.4 Impact properties
Impact test in the longitudinal and transverse for plates of SA387Gr12CL1 shall meet the requirements per table 3.
Table 3 Impact properties
Charpy-V Impact test
Test temp.
Celsius degree Transverse
 Average impact energy
 +20C Min 31J

4.5 SWHT: Simulated Post-Weld Heat Treatment of Mechanical Test Coupons shall be prepared in 600+/-10 C with min.5 minute per each mm of thickness.
4.6 Surface quality
The surface quality of plates shall be accordance with ASTM A20/A20M.
4.7 Ultrasonic inspection
Plates shall be ultrasonic inspected per ASTM A578/A578M level C.
4.8 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
Test item Quantity, Piece Sampling method Test method Sampling conditions
Ladle analysis 1 (per furnace) ASTM A20/A20M ASME SA751 /
Tensile test 1 (per rolled pc) ASTM A20/A20M ASME SA370 SWHT
Charpy-V impact test at +20C 3 (per rolled pc) ASTM A20/A20M ASME SA370 
Product analysis 1 (per rolled pc) ASTM A20/A20M ASME SA370 +N
Ultrasonic test Each product pc ASTM A578/A578M 
High TEMP tensile test Each product pc ASTM A20/A20M ASME SA370 SWHT

5. Package, marking and certificate
Package, marking and certificate shall conform to A20.
6. The third party inspection
The chemical composition, tensile test and Charpy V impact test and HIC test for plates of SA387Gr12CL1 shall be witnessed by surveyor of client.
7. Delivery conditions
The delivery conditions for plates of SA387Gr12CL1 shall be Normalized+ Tempered.
8. Other requirements
The other requirements for plates of SA387Gr12CL1 shall be accordance with SA387/SA387M-2010.
MTC accordance with EN10204: 2004 3.1

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

Sales Contact:

Sale engineer: Mr.Toby
Skype ID: Toby.Tan
MSN:Tobyvip@hotmail.com
mail:Toby@gloriasteel.com
Tel:+86-769-85325956
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Mob:+86-18688-631136
 

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".
We are main agent for sales and supplying service for below mills:
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

TISCO's Heavy stainless steel plate/bar/coils/pipes: ASTM A240 grade 304,304L,316,316L, S31803, S32760, 321H, 347,310S,309S, 904L, Super 13Cr, 28Cr
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.

If you have any inquires, please don't hesitate to contact us. (Even though one piece of Standard Size, such as 2000*6000mm, we also can supply for you very competitive prices and soonest delivery time.

Looking forward to cooperation with you in near future.