Customer Inquiry

"Seah Special Steel" (hereinafter referred to as the "Company") respects the privacy of its clients and abides by the "Act on Promotion of Information and Communications Network Utilization and Information Protection." The Company notifies the client of the purpose and means for which the personal information provided by the client in accordance with the personal information administration policy is used, as well as the security measures implemented to protect personal information. If the Company modifies its policy on the administration of personal information, it will post notices on its website and/or send out individual notifications. This policy will be implemented as of: February 1st, 2023.

Personal information to be collected: name, e-mail address
The purpose of collecting and using personal information: the client’s requests
Period of retention and use of personal information: The Company will destroy the personal information of the client without delay when the purpose of its collection and use has been achieved.

CDB

CDB

Cold-drawn bar is produced by drawing a special steel wire rod and straightening it before cutting it to a specific length. Our product is mainly used for manufacturing automobile and mechanical parts, office equipment, electronic products, and more.

01

Excellent-quality product with high customer satisfaction

CDB is a high-end product with perfect quality, the flagship product that SeAH Special Steel has been holding the No. 1 market share for a long time with high customer satisfaction.

02

Differentiated manufacturing competitiveness by establishing the supply chain

We have established a system to supply products on time through intensive supply chain management and are actively responding to deliver products at the time and place the customers requested.

03

Product development collaboration leading to shared growth

We strive to grow with our customers by localizing advanced and competitive quality products through product development, R&D expertise, technical skills, and quality know-how.

Competitive products

Non-Quenched and Tempered BAR product

Non QT Bar is our pivotal product for the rack bar material that determines a car's steering. As it is a material for rack bars, it has excellent quality, such as uniform quality of the material, durability, wear resistance, manufacturing machinability, heat treatment hardenability, and straightening. Exclusively developed by SeAH Special Steel, the product is applied to more vehicle types by replacing existing materials based on its high recognition for its quality and cost competitiveness.

Q/T Bar (Quenching & Tempering) product

QT (Quenching & Tempering) product is mainly used for high-temperature pressure screw rods or materials for high-strength long shafts. It is a product that SeAH Special Steel participated in from the development and has high processing efficiency due to its excellent straightness, which benefits customers with cost reduction, shortened delivery time, and productivity improvement.

Differentiated process

Eddy Current Testing (ECT)

QT(Quenching & Tempering)

View the entire process

Featured products

  • Types

    AISI(SAE)

    JIS

    Usage

  • Carbon steel

    1010~1060, 10B38

    CH6A~CH45K, S25C, S35C,
    S45C, S50C, POSMA45R

    Motor Shaft, Various shafts, Piston Rod, RACK Bar(steering parts)

  • Manganese steel

    1541

    SMn443

    Axle Shaft

  • Chromium steel

    5115, 5120

    SCr415, SCr420

    Various shafts and parts

  • Chromium-Molybdenum steel

    4115, 4135, 4140

    SCM415, SCM435, SCM440

    Various shafts and parts

  • Bearing steel

    52100

    SUJ2

    Bearing, Liner Motion Shaft, Wrench Set

  • Free cutting steel

    1213, 12L14

    SUM22, SUM24L

    O.A shaft, sleeve shaft, home appliances, and braking device

  • Types

    KS

    JIS

    ASTM

    DIN

    Usage

  • Austenite family

    303

    SUS303
    SUS303C

    SUS303
    SUS303C

    TP303

    1.4305

    Materials for O.A. shafts (printers, copiers), nuts, bolts and brushing automotive Austenite family

  • Austenite family

    304

    SUS304
    SUS304L
    SUS304HC
    SUS304M

    SUS304
    SUS304L
    SUS304HC
    SUS304M

    TP304
    TP304L
    304/304L

    1.4031
    1.4306

    Materials for nuts and bolts for construction materials and ladders, tableware, and automotive parts Austenite family

  • Austenite family

    316

    SUS316
    SUS316L

    SUS316
    SUS316L

    TP316
    TP316L
    316/316L

    1.4401
    1.4404

    Medical supplies, coastal building exterior decoration, chemical industry systems, paper-making industry

  • Martensite family

    410

    STS410

    SUS410

    TP410

    1.4006

    Motor Shaft, Bolt, Nut, For motor shafts, bolts, nuts and annealing

  • Martensite family

    416

    STS416

    SUS416

    TP416

    Materials for automotive parts and electronics Martensite family

  • Martensite family

    420

    STS420J1

    SUS420J1
    SUS420J2
    SUS420F

    1.4119
    1.4021

    Various kinds of shafts, medical devices, springs, tableware, knives, pins

  • Ferrite family

    430

    STS430
    STS430F

    SUS430
    SUS430F

    1.4104

    Automotive parts, electronic parts for various kinds of tanks, rivets

Packaging specifications

Steel banding

Secure the product with steel straps (no wrapping paper)

Packaging(Packaging)

Wrap the products in burlap and secure them with steel straps

Wooden box Packaging

Pack the product in a wooden box