S20C Mild Steel
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S20C Mild Steel

Phase transition point temperature (Approximate value) Ac1=720-845℃, Ar1=815-730℃ Processing specification Temperature 700-720℃, holding time 8-15h, with a cooling speed of 50-100℃/h, reduce the temperature ≤550-600℃, air cooling. Hardness ≤143HBS before treatment, hardness ≤131HBS after treatment. Normalizing specification Temperature 870-920℃, oven air cooling. Annealing specification The temperature is about 860℃, and the oven is air-cooled. Quenching specification Temperature 910℃±10℃, 10%NaCl brine cooling.
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Product Introduction

S20C Mild Steel ductile and malleable material compared to higher carbon steels. It is also more easily welded and formed, making it an ideal material for machining and fabrication. Its strength and hardness can be increased through heat treatment, making it suitable for applications where higher strength and toughness are required.

Here are some key specifications of S20C mild steel:

1. Chemical Composition: The chemical composition of S20C mild steel includes carbon, silicon, manganese, phosphorus, and sulfur. The carbon content ranges from 0.18% to 0.23%, while the silicon content ranges from 0.15% to 0.35%. The manganese content ranges from 0.3% to 0.6%, and the phosphorus and sulfur contents are limited to 0.035% each.

2. Mechanical Properties: S20C mild steel has a tensile strength ranging from 520 MPa to 690 MPa and a yield strength of 245 MPa. It has a toughness rating of 95-100, making it highly resistant to deformation and breakage.

3. Uses: S20C mild steel is widely used in the manufacturing of gears, axles, and shafts. It is also used in the automotive industry for the production of car parts such as crankshafts, connecting rods, and engine blocks. Additionally, it is used in the construction industry for the production of steel pipes, tubes, and fittings.

4. Heat Treatment: S20C mild steel can be hardened by heat treatment, including tempering, annealing, and normalization. These processes help to improve the mechanical properties of the steel and make it more suitable for specific applications.

Production Workshop & Equipments

SAE SAE1010 1020 S20C Cold Drawn Steel Bar

use

It is used to manufacture various mechanical parts that are not subjected to great stress and require high toughness. It is used in general machinery, automobiles and agricultural machinery to manufacture carburizing and carbonitriding parts with high surface hardness requirements and small core requirements.

S20C Cold Drawn Steel Bar

Packaging And Logistics

S20C Carbon Steel 

FAQ

Q1 : What product information must I provide before making a purchase ? Please provide the grade , width , thickness , and surfacetreatment requirements , as well asthe quantities you require .

Q2 : What shipping ports are there ? We normally ship from Shanghai , Tianjin , Qingdao , and Ningbo ports

Q3 : What are your payment terms ? 30%T /T in advance and 70% balance before shipment or based onbl copy or LC at sight

Q4 : What about product pricing information ? Prices vary due to changes in raw material prices on a regular basis

Q5 : ls it possible to send samples ? Of course , we offer free samples and express shipping to customers all over the world .

Q6 : Do you offer a service for customized products ? Yes , we can produce according to your specifications and drawings

Q7 : Can I pay you a visit at your factory ? Customers from all around the world are welcome to visit our factory .

Q8 : Can you assist me in impor

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