30CrMo4 / 1.7216 / 30CrMo / 4130 Gas Cylinder Pipe – Mechanical Tubing – Seamless Alloy Steel Tube

30CrMo4/1.7216/30CrMo/4130 Gas Cylinder Pipe – Mechanical Tubing – Seamless Alloy Steel Tube

Application

30CrMo4/4130 Gas Cylinder Pipe, mainly used in automobile gas cylinder installation, fire protection, medical fields, industry equipment, etc.

Quality Standard

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

-ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

-GB/T 8162 Seamless Steel Tubes for Structural Purposes

Chemical Composition(%)

Steel Grade           C                   Si                  Mn                P                   S                     Cr                 Mo

30CrMo4         0.27-0.34      0.35 max     0.35-0.60    0.035 max    0.035 max      0.80-1.15      0.15-0.30

4130                 0.28-0.33      0.15-0.35     0.40-0.60    0.040 max    0.040 max      0.80-1.10      0.15-0.25

30CrMo           0.26-0.33      0.17-0.37     0.40-0.70    0.035 max    0.035 max      0.80-1.10      0.15-0.25

Mechanical Properties

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

Q+T                            850 min                                       630 min                                 13 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.