Libyan Steel
Hot rolled flat products
Steel Type Molten Steel Chemical Analysis (%) Mechanical Properties Equivalent International Standards
Carbon Max Silicon Max Manganese Max Phosphorus Max Sulfur Max Aluminum Max Alloy Max Yield Strength N/mm² Tensile Strength N/mm² Elongation Min
Water Pipes 0.17 0.3 0.9 0.4 0.03 0.02 – 235 360 20 EN 10224: L235 ASTM A53: Grade A
Gas and Oil 0.15 0.4 1.30 0.04 0.03 0.02 Nb 0.05 V 0.15 245 415 21 API-5L X46, X42, GB EN 10208-2: L245 MA, L290 MA
290 415 20
320 435 20
0.12 0.4 1.5 0.04 0.03 0.02 415 520 20 API-5L X52, X60 EN 10208-2: L360 MA, L415 MA
Steel Type Chemical Analysis of Molten Steel (%) Mechanical Properties International Specifications Equivalent
Max Carbon Max Silicon Max Manganese Max Phosphorus Max Sulfur Max Aluminum Max Alloys Yield Strength (N/mm²) Tensile Strength (N/mm²) Minimum Elongation
Water Pipes 0.17 0.3 0.9 0.4 0.03 0.02 – 235 360 20 EN 10224: L235, ASTM A53: Grade A
Gas and Oil 0.15 0.4 1.30 0.04 0.03 0.02 Nb 0.05, v 0.15 245 415 21 API-5L X46, X42, GB, EN 10208-2: L245 MA, L290 MA
290 415 20
320 435 20
0.12 0.4 1.5 0.04 0.03 0.02 415 520 20 API-5L X52, X60, EN 10208-2: L360 MA, L415 MA
Steel Type Molten Steel Chemical Analysis (%) Mechanical Properties Equivalent International Standards
Carbon Max Silicon Max Manganese Max Phosphorus Max Sulfur Max Aluminum Max Alloy Max Yield Strength N/mm² Tensile Strength N/mm² Elongation Min
Less than 3 3 and above
High Resistance Cold Working Steel 0.12 0.40 1.3 0.03 0.02 0.02 Nb 0.05 V 0.15 315 390-510 20 24 EN 10149-2: S315 MC, S355 MC, S420 MC EN 101120/ P01, P02, P03
1.5 355 430-500 19 23
1.5 420 480-620 16 19
Gas Cylinder Steel 0.16 0.20 0.3-0.8 0.025 0.015 0.02 Nb 0.05 245 360 26 34
0.19 0.20 0.7-1.0 310 450 21 28
Steel Type Chemical Analysis of Molten Steel (%) Mechanical Properties International Specifications Equivalent
Max Carbon Max Silicon Max Manganese Max Phosphorus Max Sulfur Max Aluminum Max Alloys Yield Strength (N/mm²) Tensile Strength (N/mm²) Minimum Elongation
Less than 3 3 and above
High Resistance Cold-Forming Steel 0.12 0.40 1.3 0.03 0.02 0.02 Nb 0.05, v 0.15 315 390-510 20 24 EN 10149-2: S315 MC, S355 MC, S420 MC, EN 101120/P01, P02, P03
1.5 355 430-500 19 23
1.5 420 480-620 16 19
Gas Cylinder Steel 0.16 0.20 0.3-0.8 0.025 0.015 0.02 Nb 0.05 245 360 26 34
0.19 0.20 0.7-1.0 310 450 21 28
Steel Type Molten Steel Chemical Analysis (%) Mechanical Properties Equivalent International Standards
Carbon Max Silicon Max Manganese Max Phosphorus Max Sulfur Max Aluminum Max Yield Strength N/mm² Tensile Strength N/mm² Elongation Min
M.S10 0.10 0.03 0.40 0.04 0.03 0.020 320 420 28 EN 10111: DD12, DD13
M.S.8 0.08 0.03 0.30 0.04 0.03 300 400 30
Steel Type Chemical Analysis of Molten Steel (%) Mechanical Properties International Specifications Equivalent
Max Carbon Max Silicon Max Manganese Max Phosphorus Max Sulfur Max Aluminum Yield Strength (N/mm²) Tensile Strength (N/mm²) Min Elongation
M.S.10 0.10 0.03 0.40 0.04 0.03 0.020 320 420 28 EN 10111: DD12, DD13
M.S.8 0.08 0.03 0.30 0.04 0.03 300 400 30
Steel Type Mechanical Properties (Sample Perpendicular to Rolling Direction) Equivalent International Standards DN 10025-2
Min Yield Strength / N/mm² Tensile Strength N/mm² Elongation for Thickness (mm) Impact Test
Less Than or = 3mm Greater Than 3mm +20 (JR) 0 (J0) -20 (J2)
G.M. 235 235 360 – 510 19 21 27 27 27 S 235
G.M. 275 275 430 – 580 17 21 27 27 27 S 275
G.M. 355 355 510 – 680 16 20 27 27 27 S 355
Sample parallel to the rolling direction, thicknesses less than 6 mm do not require impact testing.
Steel Type Chemical Composition of Molten Steel (%) Equivalent International Standards DN 10025-3 DN 10025-4
Max Carbon Max Silicon Manganese Max Phosphorus Max Sulfur Max Aluminum Max Nb/V
G.M. 275 0.18 0.4 1.5 – 0.6 0.030 0.020 0.020 0.05 – 0.1 S 275
0.13 S 275
G.M. 355 0.20 1.0-1.6 S 355
0.140 S 355
G.M. 420 0.20 0.15 – 0.05 S 420
0.160 S 420
G.M. 460 0.20 S 460
0.160 S 460
Steel Type Mechanical Properties (Sample Perpendicular to Rolling Direction) Equivalent International Standards DN 10025-3 DN 10025-4
Min Yield Strength / N/mm² Tensile Strength / N/mm² Elongation for Thickness (mm) Impact Test (Minimum Joules) at Temperature M
+ 20 (JR) 0 (J0) – 20 (J2)
G.M. 275 275 370-510 24 55 47 40 S 275 N, S 275 M
G.M. 355 355 470-680 22 55 47 40 S 355 N, S 355 M
G.M. 420 420 520-680 19 55 47 40 S 420 N, S 420 M
G.M. 460 460 540-720 17 55 47 40 S 460 N, S 460 M
Sample parallel to the rolling direction. Rolls with thicknesses less than 6 mm do not require impact testing.
Steel Type Mechanical Properties (Sample Perpendicular to Rolling Direction) International Specifications Equivalent DN 10025-2
Min Yield Strength (N/mm²) Tensile Strength (N/mm²) Elongation for Thickness (mm) Impact Test
≤ 3mm > 3mm +20 (JR) 0 (J0) -20 (J2)
G.M.235 235 360 – 510 19 21 27 27 27 S 235
G.M.275 275 430 – 580 17 21 27 27 27 S 275
G.M.355 355 510 – 680 16 20 27 27 27 S 355
Sample parallel to rolling direction, thicknesses less than 6mm do not require impact testing.
Steel Type Chemical Composition of Molten Steel (%) International Specifications Equivalent DN 10025-3 DN 10025-4
Max Carbon Max Silicon Manganese Max Phosphorus Max Sulfur Max Aluminum Max Nb/V
G.M. 275 0.18 0.4 1.5 – 0.6 0.030 0.020 0.020 0.05 – 0.1 S 275
0.13 S 275
G.M. 355 0.20 1.0 – 1.6 S 355
0.140 S 355
G.M. 420 0.20 0.15 – 0.05 S 420
0.160 S 420
G.M. 460 0.20 S 460
0.160 S 460
Steel Type Mechanical Properties (Sample Vertical to Rolling Direction) International Specifications Equivalent DN 10025-3 DN 10025-4
Min Yield Strength (N/mm²) Tensile Strength (N/mm²) Elongation for Thickness (mm) Impact Test (Minimum Joules) at Temperature °C
+20 (JR) 0 (J0) -20 (J2)
M.S. 275 275 370-510 24 55 47 40 S 275 N / S 275 M
M.S. 355 355 470-680 22 55 47 40 S 355 N / S 355 M
M.S. 420 420 520-680 19 55 47 40 S 420 N / S 420 M
M.S. 460 460 540-720 17 55 47 40 S 460 N / S 460 M
Sample parallel to the rolling direction, rolls with thickness less than 6 mm do not require impact testing
Product Thickness (mm) Width (mm) Length (mm) Inner Diameter (mm) Outer Diameter (mm) Max Weight (tons) Technical Specifications Dimensional Tolerances
AISI EN ASTM API-5L
Coils 12.7/2.0 1525/600 — 760 – 950 to 2000 14 1008 to 1023 EN 10025 S 235, S 275, S 355, EN 10111: DD11, DD12, DD13 A 750, A 283 CR, A, CR, B, X42, X46, X52, X60 EN 10051, EN 10029
Chemically Treated Coils 6.0/2.0 1272/600 – 800 to 2000 12(25 welded)
Plates 12.7/2.0 1525/600 6000/1500 — — 10
Steel Type Chemical Composition of Molten Steel (%) International Specifications DN 10025-2 Equivalent
Max Carbon Max Silicon Max Manganese Max Phosphorus Max Sulfur Max Aluminum
S 235 0.17 0.40 0.90 0.05 0.05 0.02 S 235
S 275 0.18 0.40 1.20 0.05 0.05 0.02 S 275
S 355 0.20 0.40 1.50 0.05 0.05 0.02 S 355
Product Thickness (mm) Width (mm) Length (mm) Inner Diameter (mm) Outer Diameter (mm) Max Weight (ton) Technical Specifications Dimensional Tolerance
AISI EN ASTM API-5L
Coils 12.7/2.0 1525/600 — 760 – 950 / 2000 14 1008 to 1023 EN 10025 S 235, S 275, S 355, EN 10111: DD11, DD12, DD13 A 750, A 283 CR, A CR, B X42 X46 X52 X60 EN10051, EN10029
Chemically Treated Coils 6.0/2.0 1272/600 – 800 / 2000 12(25 welded)
Plates 12.7/2.0 1525/600 6000/1500 — — 10
Steel Type Chemical Composition of Molten Steel (%) Global Specifications (DN 10025-2 Equivalent)
Max Carbon Max Silicon Max Manganese Max Phosphorus Max Sulfur Max Aluminum
S 235 0.17 0.40 0.90 0.05 0.05 0.02 S 235
S 275 0.18 0.40 1.20 0.05 0.05 0.02 S 275
S 355 0.20 0.40 1.50 0.05 0.05 0.02 S 355
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