1035/C35E/1.1181/S35C/35# Steel Pipe – Mechanical Tubing – Seamless Carbon Steel Tube

1035-C35E-1.1181-S35C-35# Steel Pipe – Mechanical Tubing – Seamless Carbon Steel Tube

Shape: Round, Square, Rectangular, Profiled…
Round Pipe: O.D 6mm-1200mm, W.T.: 1-400 mm ( Cold rolled / Cold drawn / Hot rolled / Forged).
Square Pipe: S 15-600mm x W 1-100mm.
Rectangular Pipe: S 15-600mm x W 1-100mm.
Profiled: According to drawing.
Surface: Smooth, Peeled, Turned, Grinded, Polished, Black…
Inspection: Chemical Composition, Mechanical Property, Hardness testing, Ultrasonic testing, Magnetic testing, Metallographic, Dimension and Surface.
Package: Customers Specific Requirement.
MOQ: 2-5ton
Place of Origin: Jiangsu/Hubei, China.

1035/C35E/1.1181/S35C/35# Steel Pipe – Mechanical Tubing – Seamless Carbon Steel Tube


Carbon steel pipe applies to petroleum, chemical industry, electric power, boiler, high temperature resistant, low temperature resistant, corrosion resistant seamless steel pipe used. Alloy steel pipe also can made according to the customer.

Quality Standard

-ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

-EN 10297-1 Seamless Circular Steel Tubes for Mechanical and General Engineering Purpose

-DIN1629 Seamless Circular Tubes of Non-alloy Steels with Special Quality Requirements

-JIS G3444 Carbon Steel Tubes for General Structural Purposes

-JIS G3445 Carbon Steel Tubes for Machine Structural Purposes

Chemical Composition(%)

Steel Grade              C                  Si                   Mn                P                   S

1035                   0.43-0.50            /               0.60-0.90    0.040 max    0.040 max

C35E                  0.32-0.39    0.40 max        0.50-0.80    0.035 max    0.035 max

Mechanical Properties

Condition      Tensile Strength Rm (Mpa)      Yield Strength R2 (Mpa)     Elongation in 2 in or 50 mm  A(%)

+HR                            448 min                                       276 min                                 20 min

+CW                           586 min                                       517 min                                 5 min

+SR                             517 min                                      448 min                                 8 min

+A                               414 min                                      228 min                                25 min

+N                               448 min                                      276 min                               20 min

+HR: Hot Rolled, +CW: Cold Worked, +SR: Stress Relieved,  +A: Annealed, +N: Normalized.


8,000 ton per month.


Chemical analysis, Metallographic, Mechnical analysis, Ultrasonic testing, Magnetic testing, Impact testing, Hardness testing, Surface quality and dimension report.


Four or five pcs in one bunch, the minimum weight of each bundle is 2000kg; the maximum bundle weight being 5000kg.

Mill’s Test Certificate

EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.