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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

  • China,Wuxi ,Jiangsu
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China SUS420 Stainless Steel Bar UNS N04200 2Cr13 Forging Shaft
China SUS420 Stainless Steel Bar UNS N04200 2Cr13 Forging Shaft

  1. China SUS420 Stainless Steel Bar UNS N04200 2Cr13 Forging Shaft
  2. China SUS420 Stainless Steel Bar UNS N04200 2Cr13 Forging Shaft
  3. China SUS420 Stainless Steel Bar UNS N04200 2Cr13 Forging Shaft

SUS420 Stainless Steel Bar UNS N04200 2Cr13 Forging Shaft

  1. MOQ: 1 ton
  2. Price: 1650-4000 USD/Ton
  3. Get Latest Price
Payment Terms Western Union, L/C, T/T
Supply Ability 500 ton/Month
Delivery Time 5-15 days according to the quantity
Packaging Details standard export seaworthy packing or as required
surface Bright Black
Outdiameter 4-100mm
length 3-10m
grade 201 301 304 316L
Type Round
Application Construction
Standard ASTM
Grade 400 Series 420
Shape Round
Dimensions 5.5mm-500mm
Packing Standard Seaworthy Package
Price term CIF CFR FOB Ex-Work
Brand Name MITTEL TISCO BAO STEEL
Model Number 420 2Cr13
Certification ISO,BV,SGS
Place of Origin China(mainland)

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms Western Union, L/C, T/T Supply Ability 500 ton/Month
Delivery Time 5-15 days according to the quantity Packaging Details standard export seaworthy packing or as required
surface Bright Black Outdiameter 4-100mm
length 3-10m grade 201 301 304 316L
Type Round Application Construction
Standard ASTM Grade 400 Series 420
Shape Round Dimensions 5.5mm-500mm
Packing Standard Seaworthy Package Price term CIF CFR FOB Ex-Work
Brand Name MITTEL TISCO BAO STEEL Model Number 420 2Cr13
Certification ISO,BV,SGS Place of Origin China(mainland)
High Light SUS420 Stainless Steel BarForging Shaft Stainless Steel Bar2Cr13 Stainless Steel Bar

AISI 420 Stainless Steel (SS420), UNS S42000

AISI 420 stainless steel (SS420) is a straight chromium martensitic stainless steel grade with certain wear resistance, corrosion resistance and high hardness.

SS420 Datasheet

The tables below give 420 stainless steel (SS420) datasheet and specification including chemical composition, properties, heat treatment, etc.

Chemical Composition

Datasheet 1, The table below shows ASTM AISI 420 stainless steel composition.

  Chemical Composition, %
ASTM AISI (UNS) C, ≥ Si, ≤ Mn, ≤ P, ≤ S, ≤ Cr Ni, ≤ Mo, ≤ Product form
ASTM A240/A240M SS 420 (UNS S42000) 0.15 1.00 1.00 0.040 0.030 12.0-14.0 0.75 0.50 Plate, Sheet, and Strip
ASTM A276A/A276M 0.15 1.00 1.00 0.040 0.030 12.0-14.0 Bars and Shapes

AISI 420 Stainless Steel Properties

The datasheets below list type 420 stainless steel (SS420) properties including physical properties and mechanical properties.

Physical Properties

SS 420 stainless steel physical properties are listed in the table below such as density, melting point, specific heat, electrical resistivity, elastic modulus, thermal conductivity, and coefficient of thermal expansion (CTE).

Datasheet 2, 420 stainless steel properties – 1.

SS 420 Physical Properties
Density, g/cm3 (lb/in.3) 7.8 (0.28)
Melting point, °C (°F) 1450-1510 (2650-2750)
Specific heat capacity, J/kg·K (Btu/lb·°F) 460 (0.11) at 0-100 °C (32 to 212 °F)
Electrical resistivity, μΩ·m 0.55 at 20 °C
Elastic modulus (Modulus of elasticity), GPa (106 psi) 200 (29)
Thermal conductivity, W/m·K (Btu/ft·h·°F) 24.9 (14.4), at 100 °C (212 °F)
Coefficient of thermal expansion, μm/m·°C (μin./in. ·°F) 10.3 (5.7), at 0-100 °C (32-212 °F)
10.8 (6.0), at 0-315 °C (32-600 °F)
11.7 (6.5), at 0-538 °C (32-1000 °F)

Mechanical Properties

AISI 420 stainless steel mechanical properties are given in the datasheet below including tensile strength, yield strength, elongation, reduction in area, Brinell and Rockwell hardness, Charpy impact test, etc.

Datasheet 3, Type 420 stainless steel properties – 2.

  SS420 mechanical properties in various heat-treated or cold-worked conditions.
Type (UNS) Condition Tensile strength, MPa (ksi), ≤ Yield strength, MPa (ksi), ≤ Elongation in 50.8 mm (2 in.), %, ≥ Reduction in area, %, ≥ Hardness Charpy V-notch impact
strength, J (ft·lbf)
AISI 420 (UNS S42000) Oil quenched from 1038 °C (1900 °F) and tempered at 316 °C (600 °F) 1724 (250) 1482 (215) 8 25 52 HRC, Rockwell, ≥ 20 (15), ≥
Annealed bar 655 (95) 345 (50) 25 55 195 HBW, Brinell, ≤
Annealed and cold drawn 760 (110) 690 (100) 14 40 228 HBW, Brinell, ≤

Type 420 Stainless Steel Heat Treatment

Type 420 stainless steel heat treatment includes annealing, hardening, tempering and stress relief. Preparation for heat treatment includes precleaning, preheating, atmosphere protection, salt bath, and hydrogen embrittlement.

  • Precleaning: All workpieces of SS420 and fixtures must be thoroughly cleaned, such as oil, sweat and other stains on the surface of the workpiece.
  • Preheating: The thermal conductivity of type 420 stainless steel is usually lower than that of carbon steel. When heating rapidly, the workpiece is easily deformed and cracked. Therefore, preheating is recommended. The preheating temperature is generally 760-790 °C (1400-1450 °F). Heavy-duty parts can be preheated in two stages: Preheat at 540 °C (1000 °F) firstly, and then heat to 790 °C (1450 °F).
  • Atmosphere protection: Austenitizing temperature 1010 °C (1850 °F), dew-point temperature: 10-12 °C (50-54 °F) for AISI 420 wrought martensitic stainless steel.
  • Salt bath: Bath salts give 420 grade stainless steel (SS 420) parts a better result.
  • Hydrogen embrittlement: Hydrogen embrittlement is a serious problem with 420 steel.

Annealing

Annealing for ASTM AISI 420 wrought stainless steel.

  • Subcritical annealing (Recommended) temperature for AISI 420 stainless steel: from 675-760 °C (1245-1400 °F); Air cool from the temperature range, use the upper heating temperature range to minimize hardness. The corresponding Rockwell hardness is 94-97 HRB.
  • Full annealing temperature for type 420 steel: 830-885 °C (1525-1625 °F), and then soak thoroughly, furnace cool to 790 °C (1455 °F), continue cooling at 15-25 °C/h (27-45 °F/h) to 595 °C (1100 °F); Air cool to room temperature. The corresponding Rockwell hardness is 86-95 HRB.
  • Isothermal annealing temperature for AISI 420 grade stainless steel: Heat to 830-885 °C (1525-1625 °F); keep 2h at 705 °C (1300 °F), the corresponding Rockwell hardness is 95 HRB. (Preheat at subcritical annealing temperature range is very important.)

 

RESISTANCE

Corrosion Resistance:

  • Less resistant than the austenitic grades and the 17% chromium ferritic alloys
  • Good resistance in the hardened condition to the atmosphere, foods, fresh water, and mild acids
  • Resistance lowered in the annealed condition
  • Best with a smooth surface finish

Heat Resistance:

  • Not recommended for use above the relevant tempering temperature because of reduction in mechanical properties
  • Scaling temperature is approximately 1202oF (650oC)

 

PROCESSING

 

Machinability

  • Tough, stringy chip build-up.
  • Similar to machining some of the high carbon tool steel

Welding

  • Not commonly welded due to air hardening characteristics.
  • Welding may be performed after preheating to 300-400 F
  • Post weld tempering at temperature for 2 hours

Hot Working

  • Recommended to bring temperatures slowly up to 1400, then on to 2000-2200 F
  • Furnace cool slowly to avoid cracking, after furnace working
  • Reheating is necessary to keep working temperature above 1600 F.

Cold Working

  • Can withstand only minor cold work.
  • Radical forming operations will result in cracking.

Annealing

  • Anneal at temperatures between 1550-1650 F (843-900 C)
  • Allow for slow furnace cooling.

Tempering

  • Temper at temperatures of 300-400 F
  • Air cool for maximum hardness and corrosion resistance.

Hardening

  • Soak at 1850-1950 F to quench in heated oil.

 

Company Details

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,

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 and 

Graphite Plugged Bushings

 from Quality China Factory
  • 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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Get in touch with us

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  • JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
  • NO.288,YOUYI ROAD ,XI SHAN DISTRICT,WUXI CITY,CHINA
  • https://www.stainlesssteel-sheetmetal.com/

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