Stainless Steel 420

Stainless steel 420 Plate is a hardenable, martensitic stainless steel that is a modification of 410 stainless steel plate.

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Stainless Steel Plate

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Product Details

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.

Needle valves
Cuttery
Knife blades
Surgical instruments
Shear blades
Scissors
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 /m3	Thermal Conductivity W/mK	Electrical Resistivity (Microhm/cm)	Modulus of Elasticity	Coefficient of Thermal Expansion μm/m/°C	Specific 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

Factory profile

Adhering to the tenet of "integrity first, quality for survival", the company has established a complete marketing channel of "based in North China, radiating the whole country, and facing the world", and has not only established a solid strategic partnership with many domestic and foreign enterprises.We have been committed to product development, production and sales, after more than ten years of efforts, our products have been widely used in various fields.

Packing method: Packing according to customer's requirement.

The company has more than 110,000 square meters of production and processing base, fully introduced the international advanced modern automatic production and processing equipment, and took the lead in passing the ISO9001, TS16949, BV, SGS and other international well-known institutions certification.The products are mainly exported to Italy, Mexico, South Korea, Israel, Turkey, India, Pakistan, Kyrgyzstan, Oman, Kazakhstan, Vietnam, Myanmar and other countries. The company's supply is sufficient, the variety is complete, order production is fast, welcome domestic and foreign manufacturers, traders to contact us.

Company Advantages
1. We are a large-scale production enterprise integrating production, research and development, and can customize the products required by customers.
2. We have a perfect after-sales service system, which can track the problems encountered by customers in production at any time and provide corresponding technical support, so as to share our high-quality resources with customers.
3. After more than ten years of development, the company has complete product varieties and large inventory, which can be delivered in the shortest time.
4. Free samples are available.
5. With obvious price advantage, the company has complete production process, from raw materials to finished products integrated production can maximize the cost savings.