Q345B+304 Clad steel plate Chemical Composition and Mechanical Property
| Grade | C % | Si % | Mn | P % | S % | |
| Q345B | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.040 | ≤0.040 | |
| Grade | Thickness | Yield Strength (Mpa) | Tensile Strength | Elongation | Impact Energy | |
| (mm) | (MPa) | (%) | Min | |||
| Q345B | ≤ 16 | 345 | 470-630 | 21 | 20 | 34J |
| >16-35 | 325 | 470-630 | 21 | 20 | 34J | |
| >35 | 295 | 470-630 | 21 | 20 | 34J | |
| The min impact energy is longitudinal energy | ||||||
| Grade |
C
|
Mn |
P
|
S
|
Si |
Cr |
Ni | Mo | Ni |
Cooper
|
| 304(S30400) | 0.07 | 2.0 | 0.045 | 0.030 | 0.75 | 17.5-19.5 | 8.0-10.5 | - | 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) |
|||||||||||
| 304(S30400) |
|
|
40 |
|
not required | ||||||
Q345B+304 Clad steel plate Application
Q345B+304 Clad steel plates are used in Construction of Bridges, Highway Construction and Other Engineering construction.
Q345B+304 Clad steel plate Other Name
Q345B+304 Clad steel plate, GB/T1591 Q345B steel plate, 304 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.
Adaptable to low-temperature pressure vessels (e.g., liquid nitrogen/oxygen storage tanks), supplying A537CL1+304L Clad steel or P265GH+304L Clad steel conforming to GB/T 3531. If you need to confirm impact energy at -196℃, low-temperature toughness indicators, or customize special thickness combinations, send an inquiry for technical support in low-temperature system integration.
Email: alloy@gneesteelgroup.com
Whatsapp (WeChat): +86 15824687445
|
Thickness |
1mm - 200mm |
|
Width |
600mm - 2500mm |
|
Length |
1000mm - 12000mm |
|
Tensile strength |
400 - 550 MPa |
|
Yield strength |
≥ 245 MPa |
|
Elongation rate |
≥ 20% |
|
Hardness |
HB180 - 210 |
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