Dimensions Weld Neck Flanges & Stud Bolts ASME B16.5

Table of Content 隐藏

NPS 1/2 – O.D. 21.3

Notes..

Dimensions are in millimeters unless otherwise indicated.
The length of the Stud Bolt does not include the height of the chamfers (points).
ID = Depending on the wall thickness of the pipe, must be specified by the purchaser.

UNS N06022 (Hastelloy C22) Chemical Composition, %

Grade

C22

0.010

12.5 – 14.5

0.50

0.08

2.00 – 6.00

0.02

2.5

20 – 22.5

2.5 – 3.5

0.35

Bal

Grade	Density	Melting Point	Yield Strength (0.2%Offset)	Tensile Strength	Elongation
C22	8.69 g/cm3	1399 °C (2550 °F)	Psi – 45000 , MPa – 310	Psi – 1,00,000 , MPa – 690	45 %

Type	Alloy C22 WNRTJ Flange
Size	4 Inch (DN100) THK: Sch80S
Standards	ANSI, ASTM,DIN, JIS, BS, ISO, GB, SH, AND HG etc
Material	Carbon steel: ASTM/ASME A234 WPB,WPC Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911 Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H Low-temperature steel: ASTM/ASME A402 WPL 3-WPL 6 High performance: ASTM/ASME A860 WPHY 42-46-52-60-65-70
Surface treatment	Transparent oil, rust-proof black oil or hot galvanized
Applications	Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc

Studs are measured parallel to the axis (L) from
the first to the thread without the chamfers (points)
S = free threads equals 1/3 time bolt dia

Measuring lengths of Stud Bolts

Hex bolts are measured from under the head to the top of de bolt

Measuring lengths of Hex bolts

Dimensional Tolerances of Weld Neck Flanges ASME B16.5

Outside Diameter *
Tolerances not listed in ASME B16.5 2013
≤24
1.6 mm (0.06 in)
>24
±3.2 mm (±0.12 in)

Diameter Hub at Base
≤24
1.6 mm (0.06 in)
>24
±3.2 mm (±0.12 in)

Inside Diameter
≤10
±0.8 mm (±0.03 in)
12 thru 18
1.6 mm (0.06 in)
≥20
+3.2 mm / -1.6 mm
(±0.12 in / -0.06 in)

Diameter Hub at Point of Welding
≤5
+2.4 mm / -0.8 mm
(±0.09 in / -0.03 in)
≥6
+4.0 mm / -0.8 mm
(+0.15 in / -0.03 in)

Drilling
Bolt Circle
1.6 mm (0.06 in)
Bolt Hole Spacing
±0.8 mm (±0.03 in)

Eccentricity Bolt Circle
≤2.1/2
0.8 mm max (0.03 in max)
≥3
1.6 mm max (0.06 in max)

Thickness
≤18
+3.2 mm / -0 (+0.12 in / -0)
≥20
+4.8 mm / -0 (+0.18 in / -0)

Length thru Hub
≤10
1.6 mm (0.06 in)
≥12
±3.2 mm (±0.12 in)

Diameter Contact Face
1.6 mm RF (0.06 in)
±0.8 mm (±0.03 in)
6.35 mm RF (0.25 in)
±0.4 mm (±0.01 in)

Tongue and Groove
±0.4 mm (±0.01 in)
Male-Female
±0.4 mm (±0.01 in)

Alloy Steel ASTM A182 F5 ANSI 150# XXS RF WN FLANGE