Inner Bottom Steel Plate for Cargo Oil Tanks

Inner Bottom Steel Plate for Cargo Oil Tanks

Special Use:
Wear Resistant Steel
Stock:
Not Stock
Origin:
Nanjing, China

Product Description

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
Grade	Thickness/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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