ASTM Alloy Steel Plate
Our goal is to become your true partner in the field of ASTM alloy steel plate in China. Gnee Steel Group is committed to becoming the world's most internationally competitive supply chain group, meeting the different needs of different customers. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
Our services:
In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.
Our certification:
Our company has obtained SGS certification. We have also passed ISO9001 and ISO14001 environmental management system certification.
Our capacity:
We have established long-term cooperative relationships with dozens of factories to ensure the production of our products, and our annual export volume exceeds 80,000 tons.
Quality control:
All our products are made of the highest quality materials and are subject to factory inspection, cargo inspection at any time.
Advantages of ASTM Alloy Steel Plate
Mechanical Properties:
ASTM alloy steel plates have excellent mechanical properties such as high tensile strength, yield strength, and elongation. These properties make them suitable for use in heavy-duty applications where they need to withstand high stress and pressure.
High Ductility:
ASTM alloy steel plates have high ductility which means they can be easily formed into different shapes without cracking or breaking. This property makes them ideal for use in manufacturing processes where complex shapes are required.
Corrosion Resistance:
ASTM alloy steel plates have good corrosion resistance due to the presence of chromium, nickel, or other elements that form a protective layer on the surface of the plate. This layer prevents the plate from corroding even when exposed to harsh environments.
Chemical Composition of ASTM Alloy Steel Plate
| Carbon C | 0.18 ~ 0.24 |
| Silicon Si | 0.17 ~ 0.37 |
| Manganese Mn | 0.50-0.80 |
| Cr | 0.70 ~ 1.00 |
| Sulfur | Allow residual content ≤ 0.035 |
| Phosphorus P | Allowable residual content ≤ 0.035 |
| Nickel Ni | Allowable residual content ≤ 0.030 |
| Copper Cu | Allow residual content ≤0.30 |
ASTM Alloy Steel Plate Grades
|
Grades |
C |
Mn |
P |
S |
SI |
Cr |
Mo |
|
ASTM A387 Grade 5 |
0.15 max |
0.3 – 0.6 |
0.035 |
0.03 |
0.5 max |
4.00 – 6.00 |
0.45 – 0.65 |
|
ASTM A387 Grade9 |
0.15 max |
0.30 – 0.6 |
0.03 |
0.03 |
1.0 max |
8.0 – 10.0 |
0.9 – 1.1 |
|
ASTM A387 Grade 11 |
0.05 – 0.17 |
0.4 – 0.65 |
0.035 |
0.035 |
0.5 – 0.80 |
1.0 – 1.5 |
0.45 – 0.65 |
|
ASTM A387 Grade 12 |
0.05 – 0.17 |
0.4 – 0.65 |
0.035 |
0.035 |
0.15 – 0.4 |
0.8 – 1.15 |
0.45 – 0.6 |
|
ASTM A387 Grade 22 |
0.05 – 0.15 |
0.3 – 0.6 |
0.035 |
0.035 |
0.5 max |
2.0 – 2.5 |
0.9 – 1.1 |
Heat treatment of ASTM Alloy Steel Plate
|
The first quenching heating temperature (℃) |
880; coolant: water, oil |
|
The second quenching heating temperature (℃) |
780 ~ 820; Coolant: water, oil |
|
Tempering heating temperature (℃) |
200; coolant: water, empty |
|
Tensile strength (σb / MPa) |
≧ 835 |
|
Yield point (σs / MPa) |
≧ 540 |
|
Elongation at break (δ5 /%) |
≧ 10 |
|
Section shrinkage (ψ /%) |
≧ 40 |
|
Impact energy (Aku2 / J) |
≧ 47 |
|
Brinell hardness (HBS100 / 3000) (annealing or tempering temperature) |
≦ 179 |
Applications of ASTM Alloy Steel Plate
Construction:
Structural components, bridges, and buildings
Mining:
Equipment and machinery parts subject to high wear
Manufacturing:
Heavy-duty machinery, industrial tools, and automotive parts
Energy:
Components for oil and gas, wind turbines, and power plants
Packing and Shipping of ASTM Alloy Steel Plate
|
Packing |
Standard export packing (inside:water proof paper,outside:steel covered with strips and pallets) |
|
Shipping |
Shipped by road, sea, rail |
Other Service of ASTM Alloy Steel Plate
|
Delivery time |
7 to 15 working days |
|
Payment terms |
30%TT for deposit, 70% balance before shipment or LC at sight |
|
Supply ablitity |
10000 Ton/ per Month |
FAQ