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Inner Bottom Steel Plate for Cargo Oil Tanks

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  • Wear Resistant Steel
  • Not Stock
  • Nanjing, China
Application:The steel is used for upper deck or inner bottom plate as an alternative means of corrosion protection for cargo oil tanks


1.Typical Grades, Specification and Execution standard
Grade Specification/ mm Execution standard
A-RCW,B-RCW,D-RCW,E-RCW (5~50)×(1600~4700)×L Following IMO MSC.289(87) or CCS,NK,ABS or
"Guide for inspection of corrosion resistant steels in
crude oil tank cargo tanks"
AH32-RCW,DH32-RCW,EH32-RCW
AH36-RCW,DH36-RCW,EH36-RCW
Delivery Condition AR or CR or TMCP

2.Chemical Composition(wt.%)
Grade C Si Mn P S Cr+Ni+Cu+Sb Nb+V+Ti Alt Ceq
A~E ≤0.18 ≤0.35 0.60~1.60 ≤0.035 ≤0.035 ≤1.0 ≤0.12 0.020~0.060 ≤0.36
AH32~EH36 ≤0.18 ≤0.50 0.90~1.60 ≤0.035 ≤0.035 ≤1.0 ≤0.12 0.020~0.060 ≤0.36
Note: Nb, V and Ti composite micro-alloying were adopted;
Cr, Ni, Cu and Sb are intentionally added to improve corrosion resistance;
Ceq(%)=C+Mn/6+(Cr+Mo+V)/5+(Cu+Ni)/15.

3.1Property requirement
Grade Thickness/mm Transverse tension Longitudinal impact test Average corrosion rate of base plate is mm/ years 25 years later, the roof corrosion loss mm
ReH/MPa Rm/MPa A5/% Temperature average ≤1.0 ≤2
A-RCW 5~50 ≥235 400~520 ≥22 20 ≥27
B-RCW 5~50 0
D-RCW 5~50 -20
E-RCW 5~50 -40
AH32-RCW 5~50 ≥315 440~570 ≥22 0 ≥31
DH32-RCW 5~50 -20
EH32-RCW 5~50 -40
AH36-RCW 5~50 ≥355 ≥21 0 ≥34
DH36-RCW 5~50 490~630 -20
EH36-RCW 5~50 -40

FAQ
Q: What kind of work does your company do?
A: Our company is a professional manufacturer. We mainly produces are steel plate and steel tube.
Q: How can you assure your quality?
A: 1.We can provide you certificate of quality accordingly.
2.We are willing to accept the third party inspection, such as SGS,BV,CE and so on.
Q: Can you accept customization?
A: Yes. If you have special requirements on products or packages, we can do customization for you.
Q: Can you accept trail orders?
A: Generally our MOQ is 1 ton. But if you want to place a trail order as the beginning of our cooperation, we can accept smaller quantity at first. Surely we will have further and longer partnership after the beginning.
Q: Can you provide samples for checking before order?
A: Free samples can be provided as you required. You need only to bear the freight cost. If you want to know more details, please contact our sales online.
Q:How long time is the shortest delivery?
A:For stock material, the delivery time is just 3-5 working days.
And for customized product, it will takes 25-35 working days based on different size and quantity.
Q:What's the terms of payment?
A:We can accept T/T,100% irrevocable LC at sight, Western Union, etc,
If our quality is unapproved, we need and will refund full payment to customers
Q .How can we get your price ?
A:We need below information to quote for you:
1. Product Name
2. Standard
3. Material Grade (Chemical Composition)
4. Dimension
5. Quantity
6. The Drawing for Special Parts

Inner Bottom Steel Plate for Cargo Oil Tanks


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Landline: 025-57079768
Fax: 025-57079766
mailbox:nanjingdagang@dasco.cc
Mobile: 18262606988
Address: 7th Floor, Building A5, Xingzhihui Business Park, No. 19 Xinghuo Road, Jiangbei New District, Nanjing, Jiangsu, China
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