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ANSI B16.5 Forged Carbon Steel Galvanized Raised Face Lap Precision Flanges

AEA Lap Joint Flanges fit over the pipe and are most commonly used with Stub End Fittings. A pipe is typically welded to the Stub End and the Lap Joint is free to rotate around the stub end. The benefit of this is that there will not be any issues with bolt hole alignment. These are often used for applications that require frequ
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AEA Lap Joint Flanges fit over the pipe and are most commonly used with Stub End Fittings. A pipe is typically welded to the Stub End and the Lap Joint is free to rotate around the stub end. The benefit of this is that there will not be any issues with bolt hole alignment. These are often used for applications that require frequent dismantling.
ANSI B16.5 Forged Carbon Steel Galvanized Raise Face Lap Joint Precision Flange

 
RAW MATERIAL LIST
NO.Material GradeCategoryNO.Material GradeCategory
A.Cr-Mo AlloyC.Duplex
1ASTM A182 F1Cr-Mo Alloy27ASTM A182 F44Duplex SS
2ASTM A182 F5Cr-Mo Alloy28EN10222 1.4462Duplex SS
3ASTM A182 F9Cr-Mo AlloyD.Stainless Steel
4ASTM A182 F11Cr-Mo Alloy29ASTM A182 F304/F304LAustenitic SS
5ASTM A182 F22Cr-Mo Alloy30ASTM A182 F304HAustenitic SS
6ASTM A182 F91Cr-Mo Alloy31ASTM A182 F316/316LAustenitic SS
7EN10222-2 16Mo3Cr-Mo Alloy32ASTM A182 F317/317LAustenitic SS
8EN10222-2 13CrMo4-5Cr-Mo Alloy33ASTM A182 F316TiAustenitic SS
B.Carbon Steel34ASTM A182 F321Austenitic SS
9ASTM A105Carbon Steel35ASTM A182 F347/F347HAustenitic SS
10ASTM A694 F52Carbon Steel36ASTM A182 F904LSuper Austenitic SS
11ASTM A694 F60Carbon Steel37ASTM A182 F347/F347HAustenitic SS
12ASTM A694 F65Carbon Steel38EN10222-2 1.4306Austenitic SS
13ASTM A694 F70Carbon Steel39EN10222-2 1.4401Austenitic SS
14ASTM A516 GR 65Carbon Steel40EN10222 1.4404Austenitic SS
15ASTM A516 GR 70Carbon Steel41EN10222 1.4541Austenitic SS
16EN10222-2 S235JRG2Carbon Steel42EN10222 1.4571Austenitic SS
17EN10222-2 P250GHCarbon Steel43EN10222 1.4539Super Austenitic SS
18EN10222-2 P280GHCarbon SteelAlloy
19EN10222-2 P355QHCarbon Steel44B564 UNS N08020Ni-Alloy
20ASTM A516 GR 60Low Temp CS45B564 UNS N04400Ni-Alloy
21ASTM A350 LF2Low Temp CS46B564 UNS N6600Ni-Alloy
22ASTM A350 LF3Low Temp CS47B564 UNS N06625Ni-Alloy
23ASTM A350 LF6Low Temp CS48B564 UNS N08367Ni-Alloy
C.Duplex49B564 UNS N08800Ni-Alloy
24ASTM A182 F51Duplex SS50B564 UNS N08825Ni-Alloy
25ASTM A182 F60Duplex SS51B564 UNS N10276Ni-Alloy
26ASTM A182 F53Duplex SS52ASTMB171 UNS C71520Cu-Alloy



ANSI B16.5 Forged Carbon Steel Galvanized Raise Face Lap Joint Precision Flange

Flange Type:                                   
Weld Neck, Slip On, Blind, Plate, Thread, Socket Weld, Lap Joint, Ring Joint, Orifice Flange, Spectacle Blind, Paddle Spacer and Blank Flange, Figure 8 Flange, etc;
                                    
Face: Raised Face (RF),Flat Face(FF), Ring Joint (RTJ)  
                                    
Material:                                  
Carbon Steel:   Q235,20#,A105, ST37.2,C22.8, S235JR,P250GH,A350 LF1,LF2 CL1/CL2 LF3 CL1/CL2, ASTM A694 F42,F46,F48,F50,F52,F56,F60,F65,F70
Stainless Steel: A182 F304/304L, F316/316L, F316H,F316Ti,F321,F44(UNS S31254)
Ally Steel:          A182 F1,F5/a,F9,F11,F12,F22,F91  
Duplex Steel:    A182 F51/UNS S31803,F53/UNS S32750 F55/UNS S3260
Special Alloy:   ,C95400,C95500,C95800,Monel400,Inconel 600, Inconel 625, Inconel 800, Inconel 825
                                    
Standard:                                
ASME: ANSI/ASME B 16.5,ASME B16.36,ASME B16.47 Series A(MSS SP-44);ASME B16.47 Series B(API 605),AWWA C207
DIN:          Plate(DIN2573,2576,2502),Blind(DIN2527),Loose(DIN2641-2676),Welding-Neck (DIN2627-2638), Threaded (DIN2565 2566 2567) ,Slip-On (DIN86029 86030)
EN:  EN1092-1                           
JIS:  JIS B2220                          
UNI:          UNI2253-2278,UNI6083,UNI6084,UNI2280,UNI2281-2286, UNI6091-6097
GOST: GOST12820-80, GOST12821-80 
BS: BS 4504,BS10-1962,BS3293-1960 
                                    
Pressure:                                 
ANSI:Class 75, Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500
DIN:PN 6,PN 10,PN 16,PN 25,PN 40                 
EN:PN 6,PN 10,PN 16,PN 25,PN 40               
JIS:1K,2K,5K,10K,16K,20K,30K,40K,63K ;                  
GOST:PN 6,PN 10,PN 16,PN 25,PN 40,PN63,PN100,PN160                   
BS:TABLE D E                                    

 Machining Tolerance:  From 0.005mm-0.01mm-0.1mm As Standard.

Machined Surface Quality: Ra 0.8-Ra3.2 according to customer requirements

Production Process:
Forging-Heat Treatment-Machining (rough machining and finish machining)-Drilling-Inspect-Stamp-Packing

Heat Treatment: Solution, N+T (Normalizing + Tempering), Q+T (Quenching + Tempering)


Surface Treatment                
Anti-rust Oil, Transparent/Yellow/Black Anti-rust Paint,Zinc,Hot dipped Galvanized.                                   
Usage: 
Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.

 
 
Flange Dimensions & Approximate Masses / Flange Weight
Table ANSI, ASME, ASA, B16.5 150lb/sq.in. Lap Joint Flange
Nominal Size
 
Outside Diam.
Thick. of Flange
Diam of Hub at Base
Length Thru Hub
Diam. of Bore
Fillet Radius
No. of Holes
Diam. of Holes
Diam. of Bolts
Diam. of Bolt Circle
Approx. Weight Pounds 
Kg
O
C
X
Y
B
r
1/2"
in.
3.5
0.44
1.19
0.62
0.9
0.12
4
0.62
1/2
2.38
1
mm.
88.9
11.2
30.2
15.7
22.9
3
15.7
12.7
60.5
0.5
3/4"
in.
3.88
0.5
1.5
0.62
1.11
0.12
4
0.62
1/2
2.75
2
mm.
98.6
12.7
38.1
15.7
28.2
3
15.7
12.7
69.9
1
1"
in.
4.25
0.56
1.94
0.69
1.38
0.12
4
0.62
1/2
3.12
2
mm.
108
14.2
49.3
17.5
35.1
3
15.7
12.7
79.2
1
1 1/4"
in.
4.62
0.62
2.31
0.81
1.72
0.19
4
0.62
1/2
3.5
3
mm.
117.3
15.7
58.7
20.6
43.7
4.8
15.7
12.7
88.9
1
1 1/2"
in.
5
0.69
2.56
0.88
1.97
0.25
4
0.62
1/2
3.88
3
mm.
127
17.5
65
22.4
50
6.4
15.7
12.7
98.6
1
2"
in.
6
0.75
3.06
1
2.46
0.31
4
0.75
5/8
4.75
5
mm.
152.4
19.1
77.7
25.4
62.5
7.9
19.1
15.9
120.7
2
2 1/2"
in.
7
0.88
3.56
1.12
2.97
0.31
4
0.75
5/8
5.5
7
mm.
177.8
22.4
90.4
28.4
75.4
7.9
19.1
15.9
139.7
3
3"
in.
7.5
0.94
4.25
1.19
3.6
0.38
4
0.75
5/8
6
8
mm.
190.5
23.9
108
30.2
91.4
9.7
19.1
15.9
152.4
4
3 1/2"
in.
8.5
0.94
4.81
1.25
4.1
0.38
8
0.75
5/8
7
11
mm.
215.9
23.9
122.2
31.8
104.1
9.7
19.1
15.9
177.8
5
4"
in.
9
0.94
5.31
1.31
4.6
0.44
8
0.75
5/8
7.5
13
mm.
228.6
23.9
134.9
33.3
116.8
11.2
19.1
15.9
190.5
6
5"
in.
10
0.94
6.44
1.44
5.69
0.44
8
0.88
3/4
8.5
15
mm.
254
23.9
163.6
36.6
144.5
11.2
22.4
19.1
215.9
7
6"
in.
11
1
7.56
1.56
6.75
0.5
8
0.88
3/4
9.5
19
mm.
279.4
25.4
192
39.6
171.5
12.7
22.4
19.1
241.3
9
8"
in.
13.5
1.12
9.69
1.75
8.75
0.5
8
0.88
3/4
11.75
30
mm.
342.9
28.4
246.1
44.5
222.3
12.7
22.4
19.1
298.5
14
10"
in.
16
1.19
12
1.94
10.92
0.5
12
1
7/8
14.25
43
mm.
406.4
30.2
304.8
49.3
277.4
12.7
25.4
22.2
362
20
12"
in.
19
1.25
14.38
2.19
12.92
0.5
12
1
7/8
17
64
mm.
482.6
31.8
365.3
55.6
328.2
12.7
25.4
22.2
431.8
29
14"
in.
21
1.38
15.75
3.12
14.18
0.5
12
1.12
1
18.75
105
mm.
533.4
35.1
400.1
79.2
360.2
12.7
28.4
25.4
476.3
48
16"
in.
23.5
1.44
18
3.44
16.19
0.5
16
1.12
1
21.25
140
mm.
596.9
36.6
457.2
87.4
411.2
12.7
28.4
25.4
539.8
64
18"
in.
25
1.56
19.88
3.81
18.2
0.5
16
1.25
1 1/8
22.75
160
mm.
635
39.6
505
96.8
462.3
12.7
31.8
28.6
577.9
73
20"
in.
27.5
1.69
22
4.06
20.25
0.5
20
1.25
1 1/8
25
195
mm.
698.5
42.9
558.8
103.1
514.4
12.7
31.8
28.6
635
88
24"
in.
32
1.88
26.12
4.38
24.25
0.5
20
1.38
1 1/4
29.5
275
mm.
812.8
47.8
663.4
111.3
616
12.7
35.1
31.8
749.3
125
 
Table ANSI, ASME, ASA, B16.5 300lb/sq.in. Lap Joint Flange
Nominal Size
 
Outside diam. of
Flange
Thick. of Flange
Diam of Hub at Base
Length Thru Hub
Diam. of Bore
Fillet Radius
No. of Holes
Diam. of Holes
Diam. of Bolts
Diam. of Bolt Circle
Approx. Weight Pounds 
Kg
O
C
X
Y
B
r
1/2"
in.
3.75
0.56
1.5
0.88
0.9
0.12
4
0.62
1/2
2.62
2
mm.
95.3
14.2
38.1
22.4
22.9
3
15.7
12.7
66.5
1
3/4"
in.
4.62
0.62
1.88
1
1.11
0.12
4
0.75
5/8
3.25
3
mm.
117.3
15.7
47.8
25.4
28.2
3
19.1
15.9
82.6
1
1"
in.
4.88
0.69
2.12
1.06
1.38
0.12
4
0.75
5/8
3.5
3
mm.
124
17.5
53.8
26.9
35.1
3
19.1
15.9
88.9
1
1 1/4"
in.
5.25
0.75
2.5
1.06
1.72
0.19
4
0.75
5/8
3.88
4
mm.
133.4
19.1
63.5
26.9
43.7
4.8
19.1
15.9
98.6
2
1 1/2"
in.
6.12
0.81
2.75
1.19
1.97
0.25
4
0.88
3/4
4.5
6
mm.
155.4
20.6
69.9
30.2
50
6.4
22.4
19.1
114.3
3
2"
in.
6.5
0.88
3.31
1.31
2.46
0.31
8
0.75
5/8
5
7
mm.
165.1
22.4
84.1
33.3
62.5
7.9
19.1
15.9
127
3
2 1/2"
in.
7.5
1
3.94
1.5
2.97
0.31
8
0.88
3/4
5.88
10
mm.
190.5
25.4
100.1
38.1
75.4
7.9
22.4
19.1
149.4
5
3"
in.
8.25
1.12
4.62
1.69
3.6
0.38
8
0.88
3/4
6.62
13
mm.
209.6
28.4
117.3
42.9
91.4
9.7
22.4
19.1
168.1
6
3 1/2"
in.
9
1.19
5.25
1.75
4.1
0.38
8
0.88
3/4
7.25
17
mm.
228.6
30.2
133.4
44.5
104.1
9.7
22.4
19.1
184.2
8
4"
in.
10
1.25
5.75
1.88
4.6
0.44
8
0.88
3/4
7.88
22
mm.
254
31.8
146.1
47.8
116.8
11.2
22.4
19.1
200.2
10
5"
in.
11
1.38
7
2
5.69
0.44
8
0.88
3/4
9.25
28
mm.
279.4
35.1
177.8
50.8
144.5
11.2
22.4
19.1
235
13
6"
in.
12.5
1.44
8.12
2.06
6.75
0.5
12
0.88
3/4
10.62
39
mm.
317.5
36.6
206.2
52.3
171.5
12.7
22.4
19.1
269.7
18
8"
in.
15
1.62
10.25
2.44
8.75
0.5
12
1
7/8
13
58
mm.
381
41.1
260.4
62
222.3
12.7
25.4
22.2
330.2
26
10"
in.
17.5
1.88
12.62
3.75
10.92
0.5
16
1.12
1
15.25
91
mm.
444.5
47.8
320.5
95.3
277.4
12.7
28.4
25.4
387.4
41
12"
in.
20.5
2
14.75
4
12.92
0.5
16
1.25
1 1/8
17.75
140
mm.
520.7
50.8
374.7
101.6
328.2
12.7
31.8
28.6
450.9
64
14"
in.
23
2.12
16.75
4.38
14.18
0.5
20
1.25
1 1/8
20.25
190
mm.
584.2
53.8
425.5
111.3
360.2
12.7
31.8
28.6
514.4
86
16"
in.
25.5
2.25
19
4.75
16.19
0.5
20
1.38
1 1/4
22.5
250
mm.
647.7
57.2
482.6
120.7
411.2
12.7
35.1
31.8
571.5
113
18"
in.
28
2.38
21
5.12
18.2
0.5
24
1.38
1  1/4
24.75
295
mm.
711.2
60.5
533.4
130
462.3
12.7
35.1
31.8
628.7
134
20"
in.
30.5
2.5
23.12
5.5
20.25
0.5
24
1.38
1 1/4
27
370
mm.
774.7
63.5
587.2
139.7
514.4
12.7
35.1
31.8
685.8
168
24"
in.
36
2.75
27.62
6
24.25
0.5
24
1.62
1 1/2
32
550
mm.
914.4
69.9
701.5
152.4
616
12.7
41.1
38.1
812.8
249
 
Table ANSI, ASME, ASA, B16.5 600lb/sq.in. Lap Joint Flange
Nominal size
 
Outside diam. of
flange
Thick. of flange
Diam of hub at base
Length thru hub
Diam. of bore
Fillet radius
No. of holes
Diam. of holes
Diam. of bolts
Diam. of bolt circle
Approx. weight pounds 
Kg
O
C
X
Y
B
r
1/2"
in.
3.75
0.56
1.5
0.88
0.9
0.12
4
0.62
1/2
2.62
2
mm.
95.3
14.2
38.1
22.4
22.9
3
15.7
12.7
66.5
1
3/4"
in.
4.62
0.62
1.88
1
1.11
0.12
4
0.75
5/8
3.25
3
mm.
117.3
15.7
47.8
25.4
28.2
3
19.1
15.9
82.6
1
1"
in.
4.88
0.69
2.12
1.06
1.38
0.12
4
0.75
5/8
3.5
4
mm.
124
17.5
53.8
26.9
35.1
3
19.1
15.9
88.9
2
1 1/4"
in.
5.25
0.81
2.5
1.12
1.72
0.19
4
0.75
5/8
3.88
5
mm.
133.4
20.6
63.5
28.4
43.7
4.8
19.1
15.9
98.6
2
1 1/2"
in.
6.12
0.88
2.75
1.25
1.97
0.25
4
0.88
3/4
4.5
7
mm.
155.4
22.4
69.9
31.8
50
6.4
22.4
19.1
114.3
3
2"
in.
6.5
1
3.31
1.44
2.46
0.31
8
0.75
5/8
5
9
mm.
165.1
25.4
84.1
36.6
62.5
7.9
19.1
15.9
127
4
2 1/2"
in.
7.5
1.12
3.94
1.62
2.97
0.31
8
0.88
3/4
5.88
12
mm.
190.5
28.4
100.1
41.1
75.4
7.9
22.4
19.1
149.4
5
3"
in.
8.25
1.25
4.62
1.81
3.6
0.38
8
0.88
3/4
6.62
15
mm.
209.6
31.8
117.3
46
91.4
9.7
22.4
19.1
168.1
7
3 1/2"
in.
9
1.38
5.25
1.94
4.1
0.38
8
1
7/8
7.25
20
mm.
228.6
35.1
133.4
49.3
104.1
9.7
25.4
22.2
184.2
9
4"
in.
10.75
1.5
6
2.12
4.6
0.44
8
1
7/8
8.5
36
mm.
273.1
38.1
152.4
53.8
116.8
11.2
25.4
22.2
215.9
16
5"
in.
13
1.75
7.44
2.38
5.69
0.44
8
1.12
1
10.5
61
mm.
330.2
44.5
189
60.5
144.5
11.2
28.4
25.4
266.7
28
6"
in.
14
1.88
8.75
2.62
6.75
0.5
12
1.12
1
11.5
78
mm.
355.6
47.8
222.3
66.5
171.5
12.7
28.4
25.4
292.1
35
8"
in.
16.5
2.19
10.75
3
8.75
0.5
12
1.25
1 1/8
13.75
110
mm.
419.1
55.6
273.1
76.2
222.3
12.7
31.8
28.6
349.3
50
10"
in.
20
2.5
13.5
4.38
10.92
0.5
16
1.38
1 1/4
17
170
mm.
508
63.5
342.9
111.3
277.4
12.7
35.1
31.8
431.8
77
12"
in.
22
2.62
15.75
4.62
12.92
0.5
20
1.38
1 1/4
19.25
200
mm.
558.8
66.5
400.1
117.3
328.2
12.7
35.1
31.8
489
91
14"
in.
23.75
2.75
17
5
14.18
0.5
20
1.5
1 3/8
20.75
250
mm.
603.3
69.9
431.8
127
360.2
12.7
38.1
34.9
527.1
113
16"
in.
27
3
19.5
5.5
16.19
0.5
20
1.62
1 1/2
23.75
365
mm.
685.8
76.2
495.3
139.7
411.2
12.7
41.1
38.1
603.3
166
18"
in.
29.25
3.25
21.5
6
18.2
0.5
20
1.75
1 5/8
25.75
435
mm.
743
82.6
546.1
152.4
462.3
12.7
44.5
41.3
654.1
197
20"
in.
32
3.5
24
6.5
20.25
0.5
24
1.75
1 5/8
28.5
570
mm.
812.8
88.9
609.6
165.1
514.4
12.7
44.5
41.3
723.9
259
24"
in.
37
4
28.25
7.25
24.25
0.5
24
2
1 7/8
33
810
mm.
939.8
101.6
717.6
184.2
616
12.7
50.8
47.6
838.2
367
 
Production Capacity & Purchase Details
  
1.Supply Flange Dimension DN15 - DN600 (1/2" - 24") for Lap Joint Flange, Forged Flange.
2.Flange Material Carbon Steel: ASTM A105, A181, A350 LF1, A350LF2, A350LF3, A36, A234 WPB, Q235B, 20#, 20Mn.
3.Flange Material Stainless Steel: ASTM A182 F304, F304L, F316, F316L, F321 etc.
4.Flange Anti Rust: Anti Rust Oil, Black Paint, Yellow Paint Coating, Hot Dipped Galvanized, Cold Galvanized etc.
5.Flange Monthly Output: 3000 tons per Month.
6.Flange Delivery Terms: CIF, CFR, FOB, EXW, transport by sea, by air, by express DHL, FedEx, TNT, EMS etc.
7.Flange Payment Terms: Wire Transfer (T/T), Irrevocable L/C at Sight etc.
8.Flange Minimum Order Quantity (MOQ): 1Ton or 100Pcs per size.
9.Quality Guarantee: EN10204 3.1 Certificate, Mill Certificate, Third Party Inspection, Free Replacement Service.
10.Find More Requirements In Flanges Market.

 
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