Hot Rolled Steel Plate Used in Steel Structures in Coastal Areas

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  • High-strength Steel Plate, Wear Resistant Steel

  • Not Stock

  • (5~60)*(1600~4700)*L

  • Nanjing, China

Application:The steel is used for bridges, buildings, offshore trestle bridge, submarine tunnel, airport, special pier and other steel structures in coastal areas.

1.Typical Grades, Specification and Execution Standard
Grade Specifications/mm Execution Standard
Q355NH-BH (5~60)×(1600~4700)×L Mechanical performance complies with the requirements of GB/T4171, corrosion resistance complies with technical agreements

2.Chemical Composition(wt.%)
C Si Mn F S Nb+Ti
Ceq Pcm
≤0.12 ≤0.35 ≤1.50 ≤0.035 ≤0.005 ≤0.06 2.0~7.0 ≤0.43 ≤0.20
Note: 1. Ceq(%)=C+Mn/6+(Cr+Mo+V)/5+(Cu+Ni)/15
2. Pcm(%)=C+Si/30+(Mn+Cu+Cr)/20+Mo/15+Ni/60+V/10+5B

3.Property requirement
Grade Transverse tension KV2 (-40ºC)
/ J Longitudinal impact test
Corrosion rate g/(m2·h)
ReL/MPa Rm /MPa A5 /%
≤16 >16
≤16 >16
Q355NH-BH ≥355 ≥345 ≥335 490~630 ≥22 ≥22 ≥21 ≥34 ≤0.91
Q415NH-BH ≥415 ≥405 ≥395 520~680 ≥22 ≥22 ≥20
Q460NH-BH ≥460 ≥450 ≥440 570~730 ≥20 ≥20 ≥19
Note: corrosion test by periodic infiltration corrosion evaluation method, infiltration solution is 1%NaCl+0.1%NaHSO3, the test temperature is 45 + 2ºC, humidity is 70 + 5%RH, dry wet cycle is 60 + 3min, the soaking time is 12 + 1.5min.

Manufacturing process

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

Hot Rolled Steel Plate Used in Steel Structures in Coastal Areas

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Address: 7th Floor, Building A5, Xingzhihui Business Park, No. 19 Xinghuo Road, Jiangbei New District, Nanjing, Jiangsu, China
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