The A516Gr70+304L Clad Steel Plate is manufactured using A516Gr70 base steel plate and 304L cladding steel plate as raw materials, through hot-rolling bonding method or explosive welding followed by hot-rolling. The surface of the 304L cladding layer must be delivered after polishing, pickling, or passivation. It features a smooth and flat surface, firm bonding of the composite layer, high shear strength, and good cold bending performance.
The 304L cladding layer is resistant to corrosion from the atmosphere, acids, alkalis, and other media, with no tendency for intergranular corrosion, which can meet the corrosion resistance requirements of the side of the structure in contact with corrosive media. The A516Gr70 base layer can satisfy the structural requirements for rigidity and weldability. This clad steel plate can save a large amount of stainless steel and reduce structural costs.
It is mainly used in chemical, petroleum, pharmaceutical, food, seawater desalination, nuclear industry and other sectors for manufacturing corrosion-resistant general containers, pressure vessels, and other equipment.
A516Gr70+304L Clad steel plate Chemical Composition and Mechanical Property
|
ASTM A516 Grade 70 Chemical Composition |
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|
Grade |
The Element Max (%) |
||||
|
C |
Si |
Mn |
P |
S |
|
|
ASTM A516 grade 70 |
|||||
|
Thick <12.5mm |
0.27 max |
0.15–0.40 |
0.85–1.20 |
0.035 |
0.035 |
|
Thick12.5-50mm |
0.27 max |
0.15–0.40 |
0.85–1.20 |
0.035 |
0.035 |
|
Thick50-100mm |
0.27 max |
0.15–0.40 |
0.85–1.20 |
0.035 |
0.035 |
|
Thick100-200mm |
0.27 max |
0.15–0.40 |
0.85–1.20 |
0.035 |
0.035 |
|
Thick>200mm |
0.27 max |
0.15–0.40 |
0.85–1.20 |
0.035 |
0.035 |
|
Element |
Percentage (%) |
|
Carbon (C) |
0.27 max |
|
Manganese (Mn) |
0.85–1.20 |
|
Phosphorus (P) |
0.035 max |
|
Sulfur (S) |
0.035 max |
|
Silicon (Si) |
0.15–0.40 |
|
Nickel (Ni) |
0.40 max (optional) |
|
Chromium (Cr) |
0.30 max (optional) |
|
Molybdenum (Mo) |
0.08 max (optional) |
|
Grade |
ASTM A516 Grade 70 Mechanical Property |
|||
|
Thickness |
Yield |
Tensile |
Elongation |
|
|
ASTM A516 grade 70 |
mm |
Min Mpa |
Mpa |
Min % |
|
6-40 |
260 |
485-620 |
21% |
|
|
40-100 |
260 |
485-620 |
17% |
|
| Grade |
C
|
Mn |
P
|
S
|
Si |
Cr |
Ni | Mo | Ni |
Cooper
|
| 304L(S30403) | 0.030 | 2.0 | 0.045 | 0.030 | 0.75 | 17.5-19.5 | 8.0-12.0 | - | 0.10 | - |
| Grade |
Yield strength (N/mm2), min |
Tensile strength (N/mm2), min |
Elongationin 2 in. (50mm), %, min |
|
Cold bend | ||||||
|
Austenitic (Chromium-Nickel) (Chromium-Manganese-Nickel) |
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| 304L(S30403) |
|
|
40 |
|
not required | ||||||
A516Gr70+304L Clad steel plate Application
A516Gr70+304L Clad steel plates are used in Construction of Bridges, Highway Construction and Other Engineering construction.
A516Gr70+304L Clad steel plate Other Name
A516Gr70+304L Clad steel plate, A516Gr70 steel plate, 304L steel plate
Additional Condition
UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.
Suitable for high-temperature industrial furnaces or boiler components, using A516Gr70+316 Clad steel or A537CL1+316L Clad steel with high-temperature oxidation resistance. If you need to know creep strength at temperatures ≥600℃, post-weld heat treatment requirements, or get quotes for large-area furnace plates, contact us for material performance curves and solution plans.
Email: alloy@gneesteelgroup.com
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