Carbon Steel Chemical Properties

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Speci -cation Grade Chemical Composition [%] Mechanical Properties
C Mn P S Si Cr Mo Cu Ni V Yield Strength Tensile Strength % Elongation (G.L. 50 mm WT 8 mm) e (min.)
Min. Min.
Min Max. Min Max. Max. Max. Min. Max Min. Max Min. Max Max Max Max PSI MPa PSI MPa
HYDROCARBON PROCESS INDUSTRY/STRUCTURAL/PRESSURE VESSEL TUBES
ASTM A 0.25 0.95 0.05 0.045 0.4 0.15 0.40 for S 0.4 0.08 30,000 205 48,000 330 e=625000 A02/U09
A-53 B 0.3 1.2 0.05 0.045 0.4 0.15 0.40 for S 0.4 0.08 35,000 240 60,000 415
ASTM A 0.25 0.27 0.93 0.035 0.035 0.1 0.4 0.15 0.4 0.4 0.08 30,000 205 48,000 330 35L / 25T
A-106 B 0.3 0.29 1.06 0.035 0.035 0.1 0.4 0.15 0.4 0.08 35,000 240 60,000 415 30L / 16.5T
c 0.35 0.29 1.06 0.035 0.035 0.1 0.4 0.15 0.4 0.08 40,000 275 70,000 485 30L / 16.5T
ASTM 1 0.3 0.4 1.06 0.025 0.025 30,000 205 55,000 380 35
A333 & A 334 6 0.3 0.29 1.06 0.025 0.025 0.1 35,000 240 60,000 415 30
SEAMLESS COLD DRAWN PRECISION STEEL TUBES FOR MECHANICAL APPLICATIONS/HYDRAULIC/PNEUMATIC POWER SYSTEMS
EN 10305-1/ E 235 0.17 1.2 0.025 0.025 0.35 0.02 235 340 25
EN10305-4 E 355 0.22 1.6 0.025 0.025 0.55 0.02 355 490 22
EN 10216-1 P195 TR1 0.13 0.7 0.025 0.02 0.35 0.3 0.08 0.3 0.3 195 320 27
P235 TR1 0.16 1.2 0.025 0.02 0.35 0.3 0.08 0.3 0.3 235 360 25
EN 10216-2 P235 GH 0.16 1.2 0.025 0.02 0.35 0.3 0.08 0.3 0.3 0.02
DIN 2391 St – 45 0.17 0.4 0.025 0.025 0.35 NBK : 215 / GBK : – NBK : 340 / GBK : 315 NBK : 470
St – 45 0.21 0.4 0.025 0.025 0.35 NBK : 255 / GBK : – NBK : 440 / GBK : 390 NBK : 570
St – 52 0.22 1.6 0.025 0.025 0.55 NBK : 355 / GBK : – NBK : 490 / GBK : 490 NBK : 630
ASTM SAE 1010 0.08 0.13 0.20 0.3 0.6 0.04 0.05 As per Customer requirements
A-519 SAE 1018 0.15 0.28 0.6 0.9 0.04 0.05
SAE 1026 0.22 0.38 0.6 0.9 0.04 0.05
SAE 1035 0.32 0.44 0.6 0.9 0.04 0.05
SAE 1040 0.37 0.21 0.6 0.9 0.04 0.05
SAE 1518 0.15 0.44 1.1 1.4 0.04 0.05
SAE 1541 0.36 0.33 1.35 1.65 0.04 0.05
SAE 4130 0.28 0.4 0.6 0.04 0.04 0.15 0.35 0.8 1.1 0.15 0.25
BOILER/HEAT EXCHANGER/SUPERHEATER & CONDENSER TUBES
ASTM A179 0.06 0.18 0.27 0.63 0.035 0.035 26,000 180 47,000 325 35
ASTM A192 0.06 0.18 0.27 0.63 0.035 0.035 0.25 26,000 180 47,000 325 35
ASTM A-1 0.27 0.93 0.035 0.035 0.1 37,000 255 60,000 415 30
A 210 C 0.35 0.29 1.06 0.035 0.035 0.1 40,000 275 70,000 485 30
ASTM T-11 0.05 0.15 0.3 0.6 0.025 0.025 0.5 1 1 1.5 0.44 0.65 30,000 205 60,000 415 30
A 213 T-12 0.05 0.15 0.3 0.61 0.025 0.025 0.5 0.8 1.25 0.44 0.65 32,000 220 60,000 415 30
T-22 0.05 0.15 0.3 0.6 0.025 0.025 0.5 1.9 2.6 0.87 1.13 30,000 205 60,000 415 30
ASTM P-11 0.05 0.15 0.3 0.6 0.025 0.025 0.5 1 1 1.5 0.44 0.65 30,000 205 60,000 415 30
A335 P-12 0.05 0.15 0.3 0.61 0.025 0.025 0.5 0.8 1.25 0.44 0.65 32,000 220 60,000 415 30
P-22 0.05 0.15 0.3 0.6 0.025 0.025 0.5 1.9 2.6 0.87 1.13 30,000 205 60,000 415 30
BS 3059 Pt I 320 0.16 0.3 0.7 0.04 0.04 0.1 0.35 28,000 195 46,000 320 69,500
BS 3059 Pt II 622-490 0.08 0.15 0.4 0.7 0.03 0.03 0.5 2 2.5 0.9 1.2 40,000 275 71,000 490 93,000
DIN 1629 St- 37.0 0.17 0.04 0.04 WT 16mm = 235 / WT>16mm = 225 350
St – 52 0.22 0.04 0.035 WT 16mm = 355 / WT>16mm = 345 Long 21 / Trans 19
DIN 17175 St – 35.8 0.17 0.4 0.8 0.04 0.04 0.1 0.35 WT 16mm = 235 / WT>16mm = 225 360 480
St – 45.8 0.21 0.4 1.2 0.04 0.04 0.1 0.35 WT 16mm = 255 / WT>16mm = 245 410 530
RAILWAYS
IS:1239 Pt I 0.05 0.05 46,500 320
IS:1161 YST-210 0.12 0.6 0.04 0.04 30,500 210 48,000 330
YST-240 0.16 1.2 0.04 0.04 35,000 240 59,500 410
YST-310 0.25 1.3 0.04 0.04 45,000 310 64,500 445