Stainless Steel 420
Stainless Steel 420
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- Commodity name: Stainless Steel 420
Stainless steel 420 Plate is a hardenable, martensitic stainless steel that is a modification of 410 stainless steel plate.
Product Introduction
ASTM A240 Type 420 contains increased carbon to improve mechanical properties. Typical applications include surgical instruments. SS 420 Plate is a hardenable, martensitic stainless steel that is a modification of SS 410 Plate.
Similar to SS 410 Plate, it contains a minimum of 12% chromium, just sufficient enough to give corrosion resistant properties. Available in different variations of carbon content 420 stainless steel plate is suitable for heat treatment. Stainless Steel 420 Plate has a 13% chromium content which gives the specification a level of corrosion resistance properties. British standard grades available are 420S29, 420S37, 420S45 Plate.
ASTM A240 Type 420 Applications:
Alloy 420 is used for a variety of applications where good corrosion and outstanding hardness is necessary. It is not suitable where temperatures exceeding 800°F (427°C) due to quick hardening and loss of corrosion resistance.
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Needle valves
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Cuttery
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Knife blades
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Surgical instruments
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Shear blades
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Scissors
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Hand tools
Technical Data
Chemical Composition (%)
C
Mn
Si
P
S
Cr
0.15
1.00
1.00
0.04
0.03
12.0-14.0
Mechanical Properties
Tempering Temperature (°C)
Tensile Strength (MPa)
Yield Strength
0.2% Proof (MPa)Elongation
(% in 50mm)Hardness Brinell
(HB)Annealed *
655
345
25
241 max
399°F (204°C)
1600
1360
12
444
600°F (316°C)
1580
1365
14
444
800°F (427°C)
1620
1420
10
461
1000°F (538°C)
1305
1095
15
375
1099°F (593°C)
1035
810
18
302
1202°F (650°C)
895
680
20
262
* Annealed tensile properties are typical for Condition A of ASTM A276; annealed hardness is the specified maximum.
Physical Properties
Density
kg /m3Thermal Conductivity
W/mKElectrical
Resistivity
(Microhm/cm)Modulus of
ElasticityCoefficient of
Thermal Expansion
μm/m/°CSpecific Heat
(J/kg.K)7750
24.9at 212°F
550 (nΩ.m) at 68°F
200 GPa
10.3 at 32 – 212°F
460 at 32°F to 212°F
Equivalent Grades
USA/ Canada ASME-AISI European UNS Designation Japan/JIS AISI 420
DIN 2.4660
UNS S42000
SUS 420
FAQQ1. Can I have a sample order for stainless steel sheet plate products?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2. What about the lead time?
A:Sample needs 3-5 days;
Q3. Do you have any MOQ limit for stainless steel sheet plate products order?
A: Low MOQ, 1pcs for sample checking is available
Q4. How do you ship the goods and how long does it take to arrive?
A: It usually takes 3-5 days to arrive. Airline and sea shipping also optional. For mass products, ship freight is prefered.
Q5. Is it OK to print my logo on products?
A: Yes. OEM and ODM are available for us.
Q6: How to ensure the quality?A:Mill Test Certificate is supplied with shipment. If needed, a Third Party Inspection is acceptable
Key words:- Stainless Steel 420
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To: Tianjin Bohai Metal Company
Tianjin Bohai Metal
Tel : +86 0635 6666186
Fax :+86 0635 6666186
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