25CrMo4 / 1.7218 / 25CrMo Steel Pipe – Mechanical Tubing – Seamless Alloy Steel Tube

25CrMo4/1.7218/25CrMo Steel Pipe – Mechanical Tubing – Seamless Alloy Steel Tube

Application

25CrMo4 Gas Cylinder Steel Pipe, heat exchanger, mechanical equipment, industry equipment, corrosion-resistant parts, vessels, etc.

Quality Standard

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

-GB/T 8162 Seamless Steel Tubes for Structural Purposes

Chemical Composition(%)

Steel Grade           C                   Si                  Mn                P                   S                     Cr                 Mo

25CrMo4         0.22-0.29      0.40 max     0.60-0.90    0.035 max    0.035 max      0.90-1.20      0.15-0.30

25CrMo           0.22-0.29      0.17-0.37     0.60-0.90    0.035 max    0.035 max      0.90-1.20      0.15-0.30

Mechanical Properties

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

Q+T                            800 min                                       600 min                                 12 min

Capacity

3,000 ton per month.

Test

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

Package

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.