JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 15000Tons |
| Delivery Time | 5-10 days |
| Packaging Details | standard export seaworthy packing or as required |
| company type | storage company |
| processing technology | cold rolled |
| grade | 201 304 304L 316L 321 310S 317L 430 904L.etc |
| surface | 2B BA NO.4 mirror 8K |
| standard | GB JIS ASTM AISI EN DIN |
| tolerance | 0%-5% |
| Brand Name | TISCO BAOSTEEL JISCO |
| Model Number | 420j2 |
| Certification | SGS |
| Place of Origin | China(mainland) |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | 15000Tons |
| Delivery Time | 5-10 days | Packaging Details | standard export seaworthy packing or as required |
| company type | storage company | processing technology | cold rolled |
| grade | 201 304 304L 316L 321 310S 317L 430 904L.etc | surface | 2B BA NO.4 mirror 8K |
| standard | GB JIS ASTM AISI EN DIN | tolerance | 0%-5% |
| Brand Name | TISCO BAOSTEEL JISCO | Model Number | 420j2 |
| Certification | SGS | Place of Origin | China(mainland) |
| High Light | stainless steel panels ，stainless steel plate | ||
Introduction
Chemical Composition
Other Designations
Fabrication and Heat Treatment
Machinability
Welding
Annealing
Heat Treatment
Hardening
Applications
Stainless steel grade 420J2 is inexpensive and highly corrosion resistant steel. It has good corrosion resistance in mild atmosphere as well as domestic and industrial environments. It is also resistant to dilute nitric acid, carbonic acid, ammonia, crude oil, detergent solutions, vinegar, food acids, several petroleum products, and steam.
Stainless steel grade 420J2 is known to possess good strength and reasonable impact resistant properties in hardened and tempered conditions when compared with 440 grades.
The following sections will discuss in detail about stainless steel grade 420J2.
The chemical composition of stainless steel grade 420J2 is outlined in the following table.
| Element | Content (%) |
|---|---|
| Chromium, Cr | 14 |
| Nickel, Ni (optional) | 1 |
| Manganese, Mn | 1 |
| Silicon, Si | 1 |
| Phosphorus, P | 0.04 |
| Carbon, C | 0.15-0.36 |
| Sulfur, S | 0.03 |
| Iron, Fe | Balance |
Other designations that are equivalent to stainless steel grade 420J2 include the following.
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 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 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.
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.
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 oil or air cooling. Tempering should be done when it is slightly warm.
Stainless steel grade 420J2 is used in the following application areas:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Exporter,Seller
Year Established:
1998
Total Annual:
80Millen-100 Millen
Employee Number:
200~500
Ecer Certification：
Verified Supplier
Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta... Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta...
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