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Refer below Yield Strength for API 5L, A106, A53 & ASTM A333

Mechanical properties according to API Line Pipe-5L standard.

Standard referred to:
American Petroleum Institute (API) 5L, PSL1
Comparable
European
standard
Steel
grade
Minimum yield
strength ReH
Minimum tensile
strength Rm
Minimum
elongation1)
EN 10219-1:
1997
N/mm2N/mm2%
Gr. B 245 415 see API S 235
X-42 290 415 see API S 275
X-46 320 435 see API
X-52 360 460 see API S 355
X-56 390 490 see API
X-60 415 520 see API S 415
X-65 450 535 see API S 460
X-70 485 570 see API

A106 Carbon Steel Mechanical Properties                                

                                                                        Grade A          Grade B          Grade C

Tensile strength, min, psi (MPa)                  48,000 (330)    60000 (415)     70,000 (485)

Yield strength, min, psi (MPa)                     30,000 (205)    35,000 (240)    40,000 (275)

A53 Pipe Mechanical Properties

                                                                       Grade A                     Grade B

Tensile Strength, min., psi, (MPa)                   48,000 (330)                60,000 (415)

Yield Strength, min., psi, (MPa)                     30,000 (205)                35,000 (240)

ASTM A333 Low Temperature Pipe

Mechanical Properties:                                             Grade 1                     Grade 6

Tensile Strength, min, psi (MPa)                             55,000 (380)                60,000 (415)

Yield Strength, min, psi (MPa)                                30,000 (205)                35,000 (240)