Application:The steel is mainly used for steel structural parts such as containers, vehicles, bridges, buildings, towers, etc. 1.Typical Grade, Specification and Execution Standard | Grade | Specification /mm | Execution standard |
| A871 Gr60 | (5~60)×(1600~4700)×L | ASTM A871/A871M |
| A871 Gr65 |
| Q460NH | GB/T 4171 |
| S460W | ISO 4952 |
| SMA570W | JIS G3114 |
Delivery Condition AR ,TMCP, TMCP+T or QT
2.Chemical Composition(wt.%) | C | Si | Mn | P | S | Cu | Cr | Ni | Nb+V+Ti | I | Ceq | Pcm |
| ≤0.12 | 0.20~0.5 | 0.50~1.4 | ≤0.025 | ≤0.030 | 0.30~0.5 | 0.45~0.7 | ≤0.30 | ≤0.06 | ≥6.0 | ≤0.44 | ≤0.22 |
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.Atmospheric corrosion resistance index I=26.01(%Cu)+3.88(%Ni)+1.20(%Cr)+1.49(%Si)+17.28(%P)-7.29(%Cu) (%Ni)-9.10(%Ni)(%P)-33.39(%Cu)2
3.Property requirement | Grade | Transverse tension | Longitudinal impact test | I |
| Rp0.2/MPa | | A5/% |
| ≤16 | >16~40 | > 40~60 | Rm /MPa | ≤16 | > 16~40 | > 40~60 | temperature/ºC | Akv/J |
| A871 Gr60 | ≥415 | ≥520 | ≥15 | -29 | ≥20 | ≥6.0 |
| A871 Gr65 | ≥450 | ≥550 | ≥14 |
| Q460NH | ≥460 | ≥450 | ≥440 | 570~730 | ≥20 | ≥20 | ≥19 | -40 | ≥27 |
| S460W | ≥460 | ≥450 | ≥440 | 570~730 | ≥17 | ≥17 | ≥16 | -40 | ≥27 |
| SMA570W | ≥460 | ≥450 | ≥430 | 570~720 | ≥19 | ≥20 | ≥20 | -40 | ≥27 |
Manufacturing process
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
