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.
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Types
AISI(SAE)
JIS
Usage
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Carbon steel
1010~1060, 10B38
CH6A~CH45K, S25C, S35C,
S45C, S50C, POSMA45RMotor Shaft, Various shafts, Piston Rod, RACK Bar(steering parts)
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Manganese steel
1541
SMn443
Axle Shaft
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Chromium steel
5115, 5120
SCr415, SCr420
Various shafts and parts
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Chromium-Molybdenum steel
4115, 4135, 4140
SCM415, SCM435, SCM440
Various shafts and parts
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Bearing steel
52100
SUJ2
Bearing, Liner Motion Shaft, Wrench Set
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Free cutting steel
1213, 12L14
SUM22, SUM24L
O.A shaft, sleeve shaft, home appliances, and braking device
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Types
KS
JIS
ASTM
DIN
Usage
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Austenite family
303
SUS303
SUS303CSUS303
SUS303CTP303
1.4305
Materials for O.A. shafts (printers, copiers), nuts, bolts and brushing automotive Austenite family
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Austenite family
304
SUS304
SUS304L
SUS304HC
SUS304MSUS304
SUS304L
SUS304HC
SUS304MTP304
TP304L
304/304L1.4031
1.4306Materials for nuts and bolts for construction materials and ladders, tableware, and automotive parts Austenite family
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Austenite family
316
SUS316
SUS316LSUS316
SUS316LTP316
TP316L
316/316L1.4401
1.4404Medical supplies, coastal building exterior decoration, chemical industry systems, paper-making industry
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Martensite family
410
STS410
SUS410
TP410
1.4006
Motor Shaft, Bolt, Nut, For motor shafts, bolts, nuts and annealing
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Martensite family
416
STS416
SUS416
TP416
Materials for automotive parts and electronics Martensite family
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Martensite family
420
STS420J1
SUS420J1
SUS420J2
SUS420F1.4119
1.4021Various kinds of shafts, medical devices, springs, tableware, knives, pins
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Ferrite family
430
STS430
STS430FSUS430
SUS430F1.4104
Automotive parts, electronic parts for various kinds of tanks, rivets
Demand industry
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