Short Description

Model No.: ASME-B16.9-ASTM-A403-317L-Stub-End-RTJ-4"-Sch40S

China Lap Joint Stub End Manufacturer www.ugsteelmill.com offers ASME B16.9 ASTM A403 317L Stub End 4″ Sch40S.

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Key Specifications / Features

Type: 317L Stub End
Material: 317L (EN 1.4438/UNS S31703)
Size: 4″ (DN100)
WT: SCH40S
Standard: ASME B16.9

20191062212227945117 - ASME B16.9 ASTM A403 317L Stub End 4" Sch40S

China Lap Joint Stub End Manufacturer www.ugsteelmill.com offers ASME B16.9 ASTM A403 317L Stub End 4″ Sch40S.

Chemical Properties of 317L (EN 1.4438/UNS S31703):

% Cr Ni C Si Mn P S Mo Fe
317L min: 18.0
max:20.0
min: 11.0
max: 15.0
0.035
max
0.75
max
2.0
max
0.04
max
0.03
max
min: 3
max: 4
balance

Mechanical Properties of 317L (EN 1.4438/UNS S31703):

Grade Tensile Strength
ksi (min.)
Yield Strength 0.2%
Offset ksi (min.)
Elongation –
% in
50 mm (min.)
Hardness
(Brinell) MAX
Hardness
(Rockwell B) MAX
317L 75 30 40 217 95

Physical Properties of 317L (EN 1.4438/UNS S31703):

Denstiy
lbm/in3
Coefficient of
Thermal Expansion (min/in)-°F
Electrical Resistivity mW-in Thermal Conductivity BTU/hr-ft-°F Specific Heat BTU/lbm -°F
at 68 °F at 77 – 212°F at 77 – 932°F at 77 – 1832°F at 68 – 1832°F at 32 – 212°F
0.29 9.2 10.1 10.8 31.1 14.6 0.11

2019106215024890246 - ASME B16.9 ASTM A403 317L Stub End 4" Sch40S

Dimensions of Lap Joint Stub End Inch as per ASME B16.9

NPS ODMax ODMin LPF SPF R G
1/2 22.8 20.5 76 51 3 35
3/4 28.1 25.9 76 51 3 43
1 35.0 32.6 102 51 3 51
1-1/4 43.6 41.4 102 51 5 64
11/2 49.9 47.5 102 51 6 73
2 62.4 59.5 152 64 8 92
2-1/2 75.3 72.2 152 64 8 105
3 91.3 88.1 152 64 10 127
3-1/2 104.0 100.8 152 76 10 140
4 116.7 113.5 152 76 11 157
5 144.3 140.5 203 76 11 186
6 171.3 167.5 203 89 13 216
8 222.1 218.3 203 102 13 270
10 277.2 272.3 254 127 13 324
12 328.0 323.1 254 152 13 381
NPS ODMax ODMin LPF SPF R G
14 359.9 354.8 305 152 13 413
16 411.0 405.6 305 152 13 470
18 462.0 456.0 305 152 13 533
20 514.0 507.0 305 152 13 584
22 565.0 558.0 305 152 13 641
24 616.0 609.0 305 152 13 692

GENERAL NOTES:

  • (a) All dimensions are in millimeters.
  • (b) See Table 13 for tolerances.
  • (c) Service conditions and joint construction often dictate stub end length requirements. Therefore, the purchaser must specify long or
  • short pattern fitting when ordering.

NOTES:

  • (1) Gasket face finish shall be in accordance with ASME B16.5 for raised face flanges.
  • (2) The lap thickness T shall not be less than nominal pipe wall thickness. See Table 13 for maximum tolerance.
  • (3) When short pattern stub ends are used with larger flanges in Classes 300 and 600, with most sizes in Classes 900 and higher, and
  • when long pattern stub ends are used with larger flanges in Classes 1500 and 2500, it may be necessary to increase the length of the
  • stub ends in order to avoid covering the weld with the flange. Such increases in length shall be a matter of agreement between the
  • manufacturer and purchaser.
  • (4) When special facings such as tongue and groove, male and female, etc., are employed, additional lap thickness must be provided and
  • such additional thickness shall be in addition to (not included in) the basic length F.
  • (5) These dimensions conform to the radius established for lap joint flanges in ASME B16.5.
  • (6) This dimension conforms to standard machined facings shown in ASME B16.5. The back face of the lap shall be machined to conform
  • to the surface on which it seats. Where ring joint facings are to be applied, use dimension K as given in ASME B16.5.

2019106225372763278 - ASME B16.9 ASTM A403 317L Stub End 4" Sch40S

DIMENSIONAL TOLERANCES OF STUB ENDS ASME B16.9

Nominal Pipe Size 1/2 up to 2.1/2 3 to 3.1/2 4 5 to 8 10 to 18 20 to 24
Outside Diameter at Welding End (OD) + 1.6
– 0.8
1.6 1.6 + 2.29
– 1.6
+ 4.06
– 3.05
+ 6.35
– 4.83
Overall Length (F) 1.6 1.6 1.6 1.6 2 2
Outside Diameter of Lap (G) + 0
– 0.76
+ 0
– 0.76
+ 0
– 0.76
+ 0
– 0.76
+ 0
– 1.6
+ 0
– 1.6
Thickness of Lap (T) + 1.52
– 0
+ 1.52
– 0
+ 1.52
– 0
+ 1.52
– 0
+ 1.52
– 0
+ 1.52
– 0
Fillet Radius of Lap (R) + 0
– 0.76
+ 0
– 0.76
+ 0
– 1.6
+ 0
– 1.6
+ 0
– 1.6
+ 0
– 1.6
Wall Thickness (t) Not less than 87.5% of Nominal Wall Thickness

Dimensional tolerances are in millimeters unless otherwise indicated.

Summary
asme b16 9 astm a403 317l stub end 4 sch40s - ASME B16.9 ASTM A403 317L Stub End 4" Sch40S
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Name
ASME B16.9 ASTM A403 317L Stub End 4" Sch40S
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