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JIS S10C / S12C Carbon Steel Pipe – Low Carbon Seamless Tubing for General Engineering Use

Low-carbon seamless steel pipes made from JIS S10C or S12C. Offer excellent machinability, weldability, and dimensional stability. Ideal for mechanical structures, furniture frames, and automotive components
Availability:
Quantity:
  • 10# - JIS:S10C/S12C

  • ZHONG RUN

PRODUCT DESCRIPTION

Product Name
10# - JIS:S10C/S12C seamless  Carbon Steel Pipe
Standard
API 5L, API 5CT, BS1387, BS1139, ASTM A-53,EN10219
Outside Diameter
4mm ~914.4mm , 8mm~630mm
Wall Thickness
1~50mm
OD
+-1%


Materials
10#,20#,45#,Q235,Q345,Q195,Q215,Q345C,Q345A
ASTM A53A/A53B/ A178C/A106B API5L
ST37,ST37-2,DIN 1629 ST35, ST45,DIN 17175 ST35.8,DIN 17175 19Mn5
16Mn,Q345B,T1,T2,T5,T9,T11,T12,T22,T91,T92,P1,P2,P5,P9,P11,P12,P22,P91,P92,15CrMO,Cr5Mo,10CrMo910
Gr.B,X42,X46,X52,X60,X65,X70,X80,X100
Packing
 Standard Package.
MOQ
1 TON
Application
Within 7-10 workdays after receiving deposit or L/C


PRODUCT INTRODUCTION ​

JIS S10C and S12C carbon steel pipes are manufactured in accordance with JIS G3445 or JIS G4051, representing low-carbon steel grades with carbon content around 0.10%–0.12%. These materials are commonly used for machined parts, structural tubing, and general mechanical engineering.

Due to their good ductility, moderate strength, and excellent workability, S10C/S12C pipes are suitable for bending, forming, drilling, and welding operations, especially in low-pressure and non-critical load applications.

Chemical Composition


GradeC (%)Si (%)Mn (%)P (%)S (%)
S10C0.07–0.13≤ 0.35≤ 0.60≤ 0.030≤ 0.035
S12C0.10–0.15≤ 0.35≤ 0.60≤ 0.030≤ 0.035


Mechanical Properties (As Rolled):

  • Tensile Strength: 340–450 MPa

  • Yield Strength: ≥ 235 MPa

  • Elongation: ≥ 25% (based on thickness)

  • Hardness: ≤ 137 HB (annealed condition)


Key Features

  • Economical choice for general-purpose fabrication

  • Excellent weldability and cold workability

  • Low carbon content reduces risk of cracking during welding

  • Easy to machine and form

  • Smooth internal and external surfaces

  • Conforms to RoHS environmental standards

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APPLICATION

S10C / S12C carbon steel pipes are widely used in low-stress mechanical structures and fabrication works. Common applications include:

  • Machined mechanical parts – shafts, spacers, sleeves

  • Furniture and frame tubing – chairs, tables, frames

  • Automotive use – brackets, bushings, thin-walled parts

  • General engineering structure – scaffolding, low-pressure tubes

  • Welded components and construction parts

  • Agricultural and light machinery

These pipes are especially suitable where moderate strength, good forming, and cost-efficiency are prioritized.


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