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Seamless steel pipe

Seamless steel pipe

Seamless steel pipe for liquid conveyance
API 5L Line Pipe Application : used to transport liquid, gas, oil etc.
API 5L Line Pipe Standard : ASTM A53,ASTM A106,DIN 1629, DIN2448, DIN17175, EN10204, EN10216, JIS G3462
Steel Grade : A53/A106 GRA/B,ST37,ST35-8,ST44,ST45-8,ST52,STD G 410 G
API 5L Line Pipe Out Diameter: 3”—48”(89mm—1220mm)API 5L Line Pipe Wall Thickness : SCH10—SCH100 (4mm—40mm)
API 5L Line Pipe Length: Random length, Fixed Length, SRL, DRL.

Standard Grade Chemical composition %
C max Mn max P max S max Si max Cu max Ni max Mo max V max
DIN ST35 0.18 0.35-0.65 0.035 0.035 0.15-0.35 0.25 0.25 - -
ST45 0.25 0.50-0.80 0.035 0.035 0.15-0.35 0.25 0.25 - -
ST55 0.33-0.41 0.50-0.80 0.035 0.035 0.15-0.35 0.25 0.25 - -
ST52 0.2 1.5 0.035 0.035 0.55 0.25 0.25 - -
ASTM A53 A 0.25 0.95 0.05 0.045 - 0.4 0.4 0.15 0.08
B 0.3 1.2 0.05 0.045 - 0.4 0.4 0.15 0.08
ASTM A106 A 0.25 0.27-0.93 0.035 0.035 0.1 0.4 0.4 0.15 0.08
B 0.3 0.29-1.06 0.035 0.035 0.1 0.4 0.4 0.15 0.08
API 5L Line Pipe Mechanical properties
Standard Steel grade Yiled strength (min) Mpa Tensile strength (min) Mpa Elongation% min
DIN ST35 225 345-460 25
ST45 245 440-550 21
ST55 290 540-645 14
ST52 355 490-630 17
ASTM A53 A 205 330 22
B 240 415 20
ASTM A106 A 205 330 35(longitudinal)
B 240 415 30(longitudinal)

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