Seamless Pipe

Hot rolling mill produces three kinds of heavy, medium, and light seamless with a capacity of 120,000 tons yearly and manufacturing standards according to DIN 2440 and DIN 2441 and also according to the ASTM, A.P.I. 5L grade B standards with diameter from 0.5 to 5 inches and length of 6 to 12 meters.

Seamless pipe based on ASTM A 53/A 106/A 192 (Sch/40) Standard
Weight (Kg/m) Wall Thickness (mm) External Diameter (mm) Nominal Size (inch)
1.27 2.77 21.3 1.2
1.69 2.87 26.7 3.4
2.50 3.38 33.4 1
3.39 3.56 42.2 1-1/4
4.05 3.68 48.3 1-1/2
5.44 3.91 60.3 2
8.36 5.16 74.0 2-1/2
13.57 5.74 101.6 3-1/2

 

Seamless pipe based on DIN2441 Heavy Weight

DIN 2441
Chemical Composition

Nominal Weight (Kg/m)

Wall Thickness

External Diameter

Normal Size
0.08-0.16 Carbon Percent 1.45 3.25 21.3 1.2
0.15-0.35 Silicium Percent 1.90 3.25 26.9 3.4
0.50-0.80 Manganese Percent 2.97 4.05 33.7 1
0.030 Max Phosphor Percent 3.84 4.05 42.4 1-1/4
0.30 Max Sulphur Percent 3.43 4.05 48.3 1-1/2
Mechanical Properties 6.17 4.50 60.3 2-3/8
7.90 4.50 76.1 2-7/8
Yield Strength Kg/mm2 24min 10.10 4.85 88.9 3-1/2
Yield Strength Kg/mm2 36-48min 14.40 5.40 114.3 4
Elongation Percent PCT 23min 17.80 5.40 139.7 5-1/2

 

Seamless pipe based on DIN2240 Medium Weight

DIN 2240
Chemical Composition

Nominal Weight (Kg/m)

Wall Thickness

External Diameter

Nominal Size
0.08-0.16 Carbon Percent 1.22 2.65 21.3 1.2
0.15-0.35 Silicium Percent 1.58 2.65 26.9 3.4
0.50-0.80 Manganese Percent 2.44 3.25 33.7 1
0.030 Max Phosphor Percent 3.14 3.25 42.4 1-1/4
0.30 Max Sulphur Percent 3.61 3.25 48.3 1-1/2
Mechanical Properties 5.10 3.65 60.3 2-3/8
6.51 3.25 76.1 2-7/8
Yield Strength Kg/mm2 24min 8.47 4.05 88.9 3-1/2
Yield Strength Kg/mm2 36-48min 12.10 4.50 114.3 4
Elongation Percent PCT 23min 16.20 4.85 139.7 5-1/2

 

Seamless pipe based on API 5L Gr.B Standard

API 5L Gr.B
Chemical Composition

Nominal Weight (Kg/m)

 Wall Thickness External Diameter Nominal Size
0.10-0.17 Carbon Percent 1.27 2.8 21.3 1.2
0.10-0.30 Silicium Percent 1.70 2.9 26.7 3.4
0.60-1.10 Manganese Percent 2.52 3.4 33.4 1
0.04 Max Phosphor Percent 3.40 3.6 42.2 1-1/4
0.03 Max Sulphur Percent 4.05 3.7 48.3 1-1/2
Mechanical Properties 5.44 3.9 60.3 2-3/8
8.63 5.2 73.0 2-7/8
Yield Strength
Kg/mm2 24min		 11.29 5.5 88.9 3-1/2
13.57 5.7 101.6 4
Final Strength
Kg/mm2 36-48min		 16.07 6.0 114.3 4-1/2
 

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