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CALCULATION OF PIPE SUPPORT JN-1106 - 44" TRUNKLINE SSIV - WEIGHT 550 T 20 SUPPORT LOCS. General Data Total Weight, W Safety Factor, SF Number of pipe, N Calculated Weight, W c = W*SF/N

= = = =

505000,00 1,5 20 37875,00

Total Length, Lt

=

1200

kg

=

1113335

lbs

kg

=

83500

lbs

mm

=

47,24

in

Sketch : W

Pipe Support Lt

Z Y

X Support Plate

Pipe Data ( 12” Sch STD ) Outside Diameter, OD Inside Diameter, ID Nominal Thickness, tnom

= = =

304,80 284,18 10,31

mm mm mm

= = =

12,000 11,188 0,406

in in in

Minimum Thickness, tmin Calculated Inside Diameter, CID Section Area, A Moment of Inertia x-x, Ix

= = = =

9,02 286,75 8384,6 9177

mm mm mm2 cm4

= = = =

0,355 11,290 13,00 220,49

in in in2 in4

Section Modulus x-x, Sx

=

602

=

36,75

Radius of Gyration x-x, rx

=

105

cm3 mm

=

4,12

in3 in

MPa MPa MPa MPa MPa MPa MPa

= = = = = = =

29000000 36000 21600 20480 23760 14400 32400

psi psi psi psi psi psi psi

Material Data (SA-106 B) Elastic Modulus, E Allowable Yield Stress, Sa Allow. Tensile Stress, Sta = 0.6*S Allow. Comp. Stress, Sca Allow. Bending Stress, Sba = 0.66*Sa Allow. Shear Stress, Ssa = 0.4*Sa Allow. Shear Stress, Sbra = 0.9*Sa

= = = = = = =

199947,95 248,21 148,93 141,20 163,82 99,28 223,39

Allow. Comp. Stress Effective Length Factor, K Ratio of Effective Profile Area, Q

=

1,00

Axial Stress Reduction Factor, Qs

2π E Q sQ a S

=

1,00

=

126,10

=

11,47

=

0,091

=

141,20

2

Slenderness Ratio,

C

=

' c

K.Lt rx K.Lt / r x C 'c Allow. Comp. Stress, Sca *

MPa

=

20480

psi

Stress Calculation Compressive Stress, Sc = W c / A

=

44,30

MPa

=

6425

psi

Bending Stress, Sb = W c OD / (2 Sx)

=

94,00

MPa

=

13633

psi

Ratio Ratio

= =

31,4% 57,4%

Calc'n Check Compressive Stress Bending Stress Unity Check: Coefficient Applied to Bending, Cmx Euler Stress,

Formula 1.6-1a,

Formula 1.6-1b,

F ' ex =

= =

SAFE SAFE

=

1

=

1135090

=

OK

Ratio

=

31,4%

=

OK

Ratio

=

87,1%

12π 2 E KLt 23 rx Cmx

2

Sc + Sca Sc 1 − Sb F ' ex

Sc Sb + St a Sba

CALCULATION OF PIPE SUPPORT JN-1106 - 44" INLINE TEE - WEIGHT 113 T 12 SUPPORT LOCS. General Data Total Weight, W Safety Factor, SF Number of pipe, N Calculated Weight, W c = W*SF/N

= = = =

113000,00 1,5 12 14125,00

Total Length, Lt

=

1200

kg

=

249122

lbs

kg

=

31140

lbs

mm

=

47,24

in

Sketch : W

Pipe Support Lt

Z Y

X Support Plate

Pipe Data ( 12” Sch STD ) Outside Diameter, OD Inside Diameter, ID Nominal Thickness, tnom

= = =

304,80 284,18 10,31

mm mm mm

= = =

12,000 11,188 0,406

in in in

Minimum Thickness, tmin Calculated Inside Diameter, CID Section Area, A Moment of Inertia x-x, Ix

= = = =

9,02 286,75 8384,6 9177

mm mm mm2 cm4

= = = =

0,355 11,290 13,00 220,49

in in in2 in4

Section Modulus x-x, Sx

=

602

=

36,75

Radius of Gyration x-x, rx

=

105

cm3 mm

=

4,12

in3 in

MPa MPa MPa MPa MPa MPa MPa

= = = = = = =

29000000 36000 21600 20480 23760 14400 32400

psi psi psi psi psi psi psi

Material Data (SA-106 B) Elastic Modulus, E Allowable Yield Stress, Sa Allow. Tensile Stress, Sta = 0.6*S Allow. Comp. Stress, Sca Allow. Bending Stress, Sba = 0.66*Sa Allow. Shear Stress, Ssa = 0.4*Sa Allow. Shear Stress, Sbra = 0.9*Sa

= = = = = = =

199947,95 248,21 148,93 141,20 163,82 99,28 223,39

Allow. Comp. Stress Effective Length Factor, K Ratio of Effective Profile Area, Q

=

1,00

Axial Stress Reduction Factor, Qs

=

1,00

2π E Q sQ a S =

126,10

=

11,47

=

0,091

=

141,20

2

Slenderness Ratio,

C

=

' c

K.Lt rx K.Lt / r x C 'c Allow. Comp. Stress, Sca *

MPa

=

20480

psi

Stress Calculation Compressive Stress, Sc = W c / A

=

16,52

MPa

=

2396

psi

Bending Stress, Sb = W c OD / (2 Sx)

=

35,06

MPa

=

5084

psi

Ratio Ratio

= =

11,7% 21,4%

Calc'n Check Compressive Stress Bending Stress Unity Check: Coefficient Applied to Bending, Cmx Euler Stress,

Formula 1.6-1a,

Formula 1.6-1b,

F ' ex =

= =

SAFE SAFE

=

1

=

1135090

=

OK

Ratio

=

11,7%

=

OK

Ratio

=

32,5%

12π 2 E KLt 23 rx Cmx

2

Sc + Sca Sc 1 − Sb F ' ex

Sc Sb + St a Sba

CALCULATION OF PIPE SUPPORT JN-1106 - APACHE KUFPEC FLOWLINE SSIV - WEIGHT 337 T 16 SUPPORT LOCS. General Data Total Weight, W Safety Factor, SF Number of pipe, N Calculated Weight, W c = W*SF/N

= = = =

337000,00 1,5 16 31593,75

Total Length, Lt

=

1200

kg

=

742958

lbs

kg

=

69652

lbs

mm

=

47,24

in

Sketch : W

Pipe Support Lt

Z Y

X Support Plate

Pipe Data ( 12” Sch STD ) Outside Diameter, OD Inside Diameter, ID Nominal Thickness, tnom

= = =

304,80 284,18 10,31

mm mm mm

= = =

12,000 11,188 0,406

in in in

Minimum Thickness, tmin Calculated Inside Diameter, CID Section Area, A Moment of Inertia x-x, Ix

= = = =

9,02 286,75 8384,6 9177

mm mm mm2 cm4

= = = =

0,355 11,290 13,00 220,49

in in in2 in4

Section Modulus x-x, Sx

=

602

=

36,75

Radius of Gyration x-x, rx

=

105

cm3 mm

=

4,12

in3 in

MPa MPa MPa MPa MPa MPa MPa

= = = = = = =

29000000 36000 21600 20480 23760 14400 32400

psi psi psi psi psi psi psi

Material Data (SA-106 B) Elastic Modulus, E Allowable Yield Stress, Sa Allow. Tensile Stress, Sta = 0.6*S Allow. Comp. Stress, Sca Allow. Bending Stress, Sba = 0.66*Sa Allow. Shear Stress, Ssa = 0.4*Sa Allow. Shear Stress, Sbra = 0.9*Sa

= = = = = = =

199947,95 248,21 148,93 141,20 163,82 99,28 223,39

Allow. Comp. Stress Effective Length Factor, K Ratio of Effective Profile Area, Q

=

1,00

Axial Stress Reduction Factor, Qs

=

1,00

2π E Q sQ a S =

126,10

=

11,47

=

0,091

=

141,20

2

Slenderness Ratio,

C

=

' c

K.Lt rx K.Lt / r x C 'c Allow. Comp. Stress, Sca *

MPa

=

20480

psi

Stress Calculation Compressive Stress, Sc = W c / A

=

36,95

MPa

=

5359

psi

Bending Stress, Sb = W c OD / (2 Sx)

=

78,41

MPa

=

11372

psi

Ratio Ratio

= =

26,2% 47,9%

Calc'n Check Compressive Stress Bending Stress Unity Check: Coefficient Applied to Bending, Cmx Euler Stress,

Formula 1.6-1a,

Formula 1.6-1b,

F ' ex =

= =

SAFE SAFE

=

1

=

1135090

=

OK

Ratio

=

26,2%

=

OK

Ratio

=

72,7%

12π 2 E KLt 23 rx Cmx

2

Sc + Sca Sc 1 − Sb F ' ex

Sc Sb + St a Sba

CALCULATION OF PIPE SUPPORT JN-1106 - 24" AND 14" FLOWLINE SSIV - WEIGHT 377 T 16 SUPPORT LOCS. General Data Total Weight, W Safety Factor, SF Number of pipe, N Calculated Weight, W c = W*SF/N

= = = =

377000,00 1,5 16 35343,75

Total Length, Lt

=

1200

kg

=

831143

lbs

kg

=

77920

lbs

mm

=

47,24

in

Sketch : W

Pipe Support Lt

Z Y

X Support Plate

Pipe Data ( 12” Sch STD ) Outside Diameter, OD Inside Diameter, ID Nominal Thickness, tnom

= = =

304,80 284,18 10,31

mm mm mm

= = =

12,000 11,188 0,406

in in in

Minimum Thickness, tmin Calculated Inside Diameter, CID Section Area, A Moment of Inertia x-x, Ix

= = = =

9,02 286,75 8384,6 9177

mm mm mm2 cm4

= = = =

0,355 11,290 13,00 220,49

in in in2 in4

Section Modulus x-x, Sx

=

602

=

36,75

Radius of Gyration x-x, rx

=

105

cm3 mm

=

4,12

in3 in

MPa MPa MPa MPa MPa MPa MPa

= = = = = = =

29000000 36000 21600 20480 23760 14400 32400

psi psi psi psi psi psi psi

Material Data (SA-106 B) Elastic Modulus, E Allowable Yield Stress, Sa Allow. Tensile Stress, Sta = 0.6*S Allow. Comp. Stress, Sca Allow. Bending Stress, Sba = 0.66*Sa Allow. Shear Stress, Ssa = 0.4*Sa Allow. Shear Stress, Sbra = 0.9*Sa

= = = = = = =

199947,95 248,21 148,93 141,20 163,82 99,28 223,39

Allow. Comp. Stress Effective Length Factor, K Ratio of Effective Profile Area, Q

=

1,00

Axial Stress Reduction Factor, Qs

=

1,00

2π E Q sQ a S =

126,10

=

11,47

=

0,091

=

141,20

2

Slenderness Ratio,

C

=

' c

K.Lt rx K.Lt / r x C 'c Allow. Comp. Stress, Sca *

MPa

=

20480

psi

Stress Calculation Compressive Stress, Sc = W c / A

=

41,34

MPa

=

5996

psi

Bending Stress, Sb = W c OD / (2 Sx)

=

87,72

MPa

=

12722

psi

Ratio Ratio

= =

29,3% 53,5%

Calc'n Check Compressive Stress Bending Stress Unity Check: Coefficient Applied to Bending, Cmx Euler Stress,

Formula 1.6-1a,

Formula 1.6-1b,

F ' ex =

= =

SAFE SAFE

=

1

=

1135090

=

OK

Ratio

=

29,3%

=

OK

Ratio

=

81,3%

12π 2 E KLt 23 rx Cmx

2

Sc + Sca Sc 1 − Sb F ' ex

Sc Sb + St a Sba

Appendices

APPENDIX L

ALLOWABLE COMPRESSIVE STRESS FOR COLUMNS, FA

Above = 130, use Table L-3 which is for steel of 36,000 psi

20

40

60

80 100 120 Slenderness Ratio (L/r)

140

160

Reprinted by permission of the James F. Lincoln Arc Welding Foundation

(a)

(b)

(c)

(d)

Buckled shape of column is shown by dashed line

i' (e)

t

2.0

Theoretical K value Recommended design value when ideal conditions are approximated

0.5

0.7

1.0

1.0

0.65

0.80

1.2

1.O

"t" End condition code

2.10

2.0

--

7 p

Rotation fixed and translation fixed Rotation free and translation fixed Rotation fixed and translation free Rotation free and translation free

180

200

475

476

Pressure Vessel Design Manual Table L-2 33,000-psi-Yield Steel

Above Ur of 130, the higher-strength steels offer no advantage as to allowable compressive stress (fa). Above this point, use Table L-3 for the more economical steel of 36,000-psi-yield strength.

Table L-3 36,000-psi-Yield Steel

Above U r of 130, the higher-strength steels offer no advantage as to allowable compressive stress (fa). Above this point, use this table.

= = = =

505000,00 1,5 20 37875,00

Total Length, Lt

=

1200

kg

=

1113335

lbs

kg

=

83500

lbs

mm

=

47,24

in

Sketch : W

Pipe Support Lt

Z Y

X Support Plate

Pipe Data ( 12” Sch STD ) Outside Diameter, OD Inside Diameter, ID Nominal Thickness, tnom

= = =

304,80 284,18 10,31

mm mm mm

= = =

12,000 11,188 0,406

in in in

Minimum Thickness, tmin Calculated Inside Diameter, CID Section Area, A Moment of Inertia x-x, Ix

= = = =

9,02 286,75 8384,6 9177

mm mm mm2 cm4

= = = =

0,355 11,290 13,00 220,49

in in in2 in4

Section Modulus x-x, Sx

=

602

=

36,75

Radius of Gyration x-x, rx

=

105

cm3 mm

=

4,12

in3 in

MPa MPa MPa MPa MPa MPa MPa

= = = = = = =

29000000 36000 21600 20480 23760 14400 32400

psi psi psi psi psi psi psi

Material Data (SA-106 B) Elastic Modulus, E Allowable Yield Stress, Sa Allow. Tensile Stress, Sta = 0.6*S Allow. Comp. Stress, Sca Allow. Bending Stress, Sba = 0.66*Sa Allow. Shear Stress, Ssa = 0.4*Sa Allow. Shear Stress, Sbra = 0.9*Sa

= = = = = = =

199947,95 248,21 148,93 141,20 163,82 99,28 223,39

Allow. Comp. Stress Effective Length Factor, K Ratio of Effective Profile Area, Q

=

1,00

Axial Stress Reduction Factor, Qs

2π E Q sQ a S

=

1,00

=

126,10

=

11,47

=

0,091

=

141,20

2

Slenderness Ratio,

C

=

' c

K.Lt rx K.Lt / r x C 'c Allow. Comp. Stress, Sca *

MPa

=

20480

psi

Stress Calculation Compressive Stress, Sc = W c / A

=

44,30

MPa

=

6425

psi

Bending Stress, Sb = W c OD / (2 Sx)

=

94,00

MPa

=

13633

psi

Ratio Ratio

= =

31,4% 57,4%

Calc'n Check Compressive Stress Bending Stress Unity Check: Coefficient Applied to Bending, Cmx Euler Stress,

Formula 1.6-1a,

Formula 1.6-1b,

F ' ex =

= =

SAFE SAFE

=

1

=

1135090

=

OK

Ratio

=

31,4%

=

OK

Ratio

=

87,1%

12π 2 E KLt 23 rx Cmx

2

Sc + Sca Sc 1 − Sb F ' ex

Sc Sb + St a Sba

CALCULATION OF PIPE SUPPORT JN-1106 - 44" INLINE TEE - WEIGHT 113 T 12 SUPPORT LOCS. General Data Total Weight, W Safety Factor, SF Number of pipe, N Calculated Weight, W c = W*SF/N

= = = =

113000,00 1,5 12 14125,00

Total Length, Lt

=

1200

kg

=

249122

lbs

kg

=

31140

lbs

mm

=

47,24

in

Sketch : W

Pipe Support Lt

Z Y

X Support Plate

Pipe Data ( 12” Sch STD ) Outside Diameter, OD Inside Diameter, ID Nominal Thickness, tnom

= = =

304,80 284,18 10,31

mm mm mm

= = =

12,000 11,188 0,406

in in in

Minimum Thickness, tmin Calculated Inside Diameter, CID Section Area, A Moment of Inertia x-x, Ix

= = = =

9,02 286,75 8384,6 9177

mm mm mm2 cm4

= = = =

0,355 11,290 13,00 220,49

in in in2 in4

Section Modulus x-x, Sx

=

602

=

36,75

Radius of Gyration x-x, rx

=

105

cm3 mm

=

4,12

in3 in

MPa MPa MPa MPa MPa MPa MPa

= = = = = = =

29000000 36000 21600 20480 23760 14400 32400

psi psi psi psi psi psi psi

Material Data (SA-106 B) Elastic Modulus, E Allowable Yield Stress, Sa Allow. Tensile Stress, Sta = 0.6*S Allow. Comp. Stress, Sca Allow. Bending Stress, Sba = 0.66*Sa Allow. Shear Stress, Ssa = 0.4*Sa Allow. Shear Stress, Sbra = 0.9*Sa

= = = = = = =

199947,95 248,21 148,93 141,20 163,82 99,28 223,39

Allow. Comp. Stress Effective Length Factor, K Ratio of Effective Profile Area, Q

=

1,00

Axial Stress Reduction Factor, Qs

=

1,00

2π E Q sQ a S =

126,10

=

11,47

=

0,091

=

141,20

2

Slenderness Ratio,

C

=

' c

K.Lt rx K.Lt / r x C 'c Allow. Comp. Stress, Sca *

MPa

=

20480

psi

Stress Calculation Compressive Stress, Sc = W c / A

=

16,52

MPa

=

2396

psi

Bending Stress, Sb = W c OD / (2 Sx)

=

35,06

MPa

=

5084

psi

Ratio Ratio

= =

11,7% 21,4%

Calc'n Check Compressive Stress Bending Stress Unity Check: Coefficient Applied to Bending, Cmx Euler Stress,

Formula 1.6-1a,

Formula 1.6-1b,

F ' ex =

= =

SAFE SAFE

=

1

=

1135090

=

OK

Ratio

=

11,7%

=

OK

Ratio

=

32,5%

12π 2 E KLt 23 rx Cmx

2

Sc + Sca Sc 1 − Sb F ' ex

Sc Sb + St a Sba

CALCULATION OF PIPE SUPPORT JN-1106 - APACHE KUFPEC FLOWLINE SSIV - WEIGHT 337 T 16 SUPPORT LOCS. General Data Total Weight, W Safety Factor, SF Number of pipe, N Calculated Weight, W c = W*SF/N

= = = =

337000,00 1,5 16 31593,75

Total Length, Lt

=

1200

kg

=

742958

lbs

kg

=

69652

lbs

mm

=

47,24

in

Sketch : W

Pipe Support Lt

Z Y

X Support Plate

Pipe Data ( 12” Sch STD ) Outside Diameter, OD Inside Diameter, ID Nominal Thickness, tnom

= = =

304,80 284,18 10,31

mm mm mm

= = =

12,000 11,188 0,406

in in in

Minimum Thickness, tmin Calculated Inside Diameter, CID Section Area, A Moment of Inertia x-x, Ix

= = = =

9,02 286,75 8384,6 9177

mm mm mm2 cm4

= = = =

0,355 11,290 13,00 220,49

in in in2 in4

Section Modulus x-x, Sx

=

602

=

36,75

Radius of Gyration x-x, rx

=

105

cm3 mm

=

4,12

in3 in

MPa MPa MPa MPa MPa MPa MPa

= = = = = = =

29000000 36000 21600 20480 23760 14400 32400

psi psi psi psi psi psi psi

Material Data (SA-106 B) Elastic Modulus, E Allowable Yield Stress, Sa Allow. Tensile Stress, Sta = 0.6*S Allow. Comp. Stress, Sca Allow. Bending Stress, Sba = 0.66*Sa Allow. Shear Stress, Ssa = 0.4*Sa Allow. Shear Stress, Sbra = 0.9*Sa

= = = = = = =

199947,95 248,21 148,93 141,20 163,82 99,28 223,39

Allow. Comp. Stress Effective Length Factor, K Ratio of Effective Profile Area, Q

=

1,00

Axial Stress Reduction Factor, Qs

=

1,00

2π E Q sQ a S =

126,10

=

11,47

=

0,091

=

141,20

2

Slenderness Ratio,

C

=

' c

K.Lt rx K.Lt / r x C 'c Allow. Comp. Stress, Sca *

MPa

=

20480

psi

Stress Calculation Compressive Stress, Sc = W c / A

=

36,95

MPa

=

5359

psi

Bending Stress, Sb = W c OD / (2 Sx)

=

78,41

MPa

=

11372

psi

Ratio Ratio

= =

26,2% 47,9%

Calc'n Check Compressive Stress Bending Stress Unity Check: Coefficient Applied to Bending, Cmx Euler Stress,

Formula 1.6-1a,

Formula 1.6-1b,

F ' ex =

= =

SAFE SAFE

=

1

=

1135090

=

OK

Ratio

=

26,2%

=

OK

Ratio

=

72,7%

12π 2 E KLt 23 rx Cmx

2

Sc + Sca Sc 1 − Sb F ' ex

Sc Sb + St a Sba

CALCULATION OF PIPE SUPPORT JN-1106 - 24" AND 14" FLOWLINE SSIV - WEIGHT 377 T 16 SUPPORT LOCS. General Data Total Weight, W Safety Factor, SF Number of pipe, N Calculated Weight, W c = W*SF/N

= = = =

377000,00 1,5 16 35343,75

Total Length, Lt

=

1200

kg

=

831143

lbs

kg

=

77920

lbs

mm

=

47,24

in

Sketch : W

Pipe Support Lt

Z Y

X Support Plate

Pipe Data ( 12” Sch STD ) Outside Diameter, OD Inside Diameter, ID Nominal Thickness, tnom

= = =

304,80 284,18 10,31

mm mm mm

= = =

12,000 11,188 0,406

in in in

Minimum Thickness, tmin Calculated Inside Diameter, CID Section Area, A Moment of Inertia x-x, Ix

= = = =

9,02 286,75 8384,6 9177

mm mm mm2 cm4

= = = =

0,355 11,290 13,00 220,49

in in in2 in4

Section Modulus x-x, Sx

=

602

=

36,75

Radius of Gyration x-x, rx

=

105

cm3 mm

=

4,12

in3 in

MPa MPa MPa MPa MPa MPa MPa

= = = = = = =

29000000 36000 21600 20480 23760 14400 32400

psi psi psi psi psi psi psi

Material Data (SA-106 B) Elastic Modulus, E Allowable Yield Stress, Sa Allow. Tensile Stress, Sta = 0.6*S Allow. Comp. Stress, Sca Allow. Bending Stress, Sba = 0.66*Sa Allow. Shear Stress, Ssa = 0.4*Sa Allow. Shear Stress, Sbra = 0.9*Sa

= = = = = = =

199947,95 248,21 148,93 141,20 163,82 99,28 223,39

Allow. Comp. Stress Effective Length Factor, K Ratio of Effective Profile Area, Q

=

1,00

Axial Stress Reduction Factor, Qs

=

1,00

2π E Q sQ a S =

126,10

=

11,47

=

0,091

=

141,20

2

Slenderness Ratio,

C

=

' c

K.Lt rx K.Lt / r x C 'c Allow. Comp. Stress, Sca *

MPa

=

20480

psi

Stress Calculation Compressive Stress, Sc = W c / A

=

41,34

MPa

=

5996

psi

Bending Stress, Sb = W c OD / (2 Sx)

=

87,72

MPa

=

12722

psi

Ratio Ratio

= =

29,3% 53,5%

Calc'n Check Compressive Stress Bending Stress Unity Check: Coefficient Applied to Bending, Cmx Euler Stress,

Formula 1.6-1a,

Formula 1.6-1b,

F ' ex =

= =

SAFE SAFE

=

1

=

1135090

=

OK

Ratio

=

29,3%

=

OK

Ratio

=

81,3%

12π 2 E KLt 23 rx Cmx

2

Sc + Sca Sc 1 − Sb F ' ex

Sc Sb + St a Sba

Appendices

APPENDIX L

ALLOWABLE COMPRESSIVE STRESS FOR COLUMNS, FA

Above = 130, use Table L-3 which is for steel of 36,000 psi

20

40

60

80 100 120 Slenderness Ratio (L/r)

140

160

Reprinted by permission of the James F. Lincoln Arc Welding Foundation

(a)

(b)

(c)

(d)

Buckled shape of column is shown by dashed line

i' (e)

t

2.0

Theoretical K value Recommended design value when ideal conditions are approximated

0.5

0.7

1.0

1.0

0.65

0.80

1.2

1.O

"t" End condition code

2.10

2.0

--

7 p

Rotation fixed and translation fixed Rotation free and translation fixed Rotation fixed and translation free Rotation free and translation free

180

200

475

476

Pressure Vessel Design Manual Table L-2 33,000-psi-Yield Steel

Above Ur of 130, the higher-strength steels offer no advantage as to allowable compressive stress (fa). Above this point, use Table L-3 for the more economical steel of 36,000-psi-yield strength.

Table L-3 36,000-psi-Yield Steel

Above U r of 130, the higher-strength steels offer no advantage as to allowable compressive stress (fa). Above this point, use this table.