38.000×0.938 dimensions and section properties | Kannamwar Engineering

38.000×0.938

NPS 38

Metric Imperial

Use in Beam Calculator Open in Section Properties

Dimensions
WWeight	371.6
tThickness	0.938
ODOutside diameter	38
IDInside diameter	36.12
AArea	109.2
Major axis
I_xSecond moment of area	18,760
S_xElastic modulus	987.6
Z_xPlastic modulus	1,289
r_xRadius of gyration	13.11
y_topCentroid to top	19
y_botCentroid to bottom	19
Minor axis
I_ySecond moment of area	18,760
S_yElastic modulus	987.6
Z_yPlastic modulus	1,289
r_yRadius of gyration	13.11
Torsion and warping
JTorsion constant	37,530

Material

Standard

Grade

API 5L Table 3A/3B

Material and nominal capacity of 38.000×0.938 in the grade picked
Capacity (nominal, no resistance or safety factors)
Steel type	Carbon-manganese, Nb/V/Ti allowed
F_yYield strength, minimum	52
F_uTensile strength, minimum	66
EModulus of elasticity	29,000
GShear modulus	11,200
νPoisson's ratio	0.3
ρDensity	490
Flexure class, AISC 360 Table B4.1	Non-compact, D/t 40.5 (λp 39, λr 172.7)
API RP 2A-WSD group and class	Group II Class C; Class B with SR5/SR6
P_yAxial yield, A·Fy	5,679
M_yYield moment, Sx·Fy	4,280
M_pPlastic moment, Zx·Fy	5,584

Minimum hydrostatic test pressure by grade
Test Pressure	Std.	Alt.
Grade A	890	1,110
Grade B	1,040	1,300
Grade X42	1,870	1,870
Grade X46	2,040	2,040
Grade X52 (grade picked)	2,310	2,310
Grade X56	2,490	2,490
Grade X60	2,670	2,670
Grade X65	2,890	2,890
Grade X70	3,000	3,110
Grade X80	3,000	3,550