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Hunan Fushun Metal Co., Ltd.
China Manufacturer with main products: COLD WORK TOOL STEEL, HOT WORK TOOL STEEL, CARBON STEEL ROUND BAR, STEEL STRIP |
Fushun Hot Sales 420j2 Stainless Steel Plate
| FOB Price: | 1500.00 - 2100.00 USD/Ton |
|---|---|
| Payment Terms: | L/C, T/T |
Related products from verified members
| Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
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| Place of Origin: | Hunan in China |
Quick Details
- Type: Plate
- Brand Name: OEM
- Thickness: 3mm
- Standard: ASTM
- Grade: 400 Series
Specifications
Standard
JIS G4305 Cold Rolled Stainless Steel Strip and Sheet
420j2 stainless steel Chemical component
Grade |
C |
Si |
Mn |
P |
S |
Cr |
SUS420J2 |
0.26-0.40 |
Max 1.00 |
Max 1.00 |
Max 0.040 |
Max 0.030 |
12.00-14.00 |
Mechanical Property Annealed
Steel Grade |
0.2%Proof Stress N/mm2 |
Tensile Strength N/mm2 |
Elongation % |
Hardness | |
HRB |
HV | ||||
SUS420J2 |
≥225 |
≥540 |
≥18 |
≤99 |
≤247 |
QT Heat-treatment
Cold-rolled steel Sheet thickness:1.5mm
Quenching condition: Air cooling after holding for 15 minutes at 1040℃
as-quenched hardness (HRC)=57
Holding time for tempering:2 hours
Machinability
Stainless steel grade 420J2 is machinable both in hardened and tempered conditions such as turning, drilling, and bending; however it is recommended that machining in hardened condition should be avoided as far as possible.
Welding
Welding of stainless steel grade 420J2 is easy. It is recommended that welding in annealed or hardened and tempered conditions should be avoided as it causes formation of brittleness, resulting in cold cracking due to contraction stresses.
Pre-heating and inter-pass temperature control during welding, followed by very slow cooling and post-weld annealing are good measures to take to prevent cracking.
Annealing
Annealing of this material can be performed by heating uniformly to 840-900°C (1544-1652°F) and held until the temperature is uniform throughout the section. Soaking and cooling is required.
Heat Treatment
Stainless steel grade 420J2 has to be heated uniformly to 730-790°C (1346-1454°F) and held until temperature is uniform throughout the section.
Hardening
Stainless steel grade 420J2 can be hardened by heating 950-1020°C (1742-1868°F) and held until temperature is uniform throughout the section. this should be followed by quenching in
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