Carbon Steel Lap Joint Flange, Lapped Joint Flange Manufacturing Factory

Carbon Steel Lap Joint Flange

1.Types: Slip-On, Welding Neck, Blind, Socket Welding, Threaded, Lap Joint and Plate etc;

2.Standard:

(1) ANSI B16.5, A105 150LB / 300LB / 600LB / 900LB / 1500LB / 2500LB

(2) DIN 2573 PN6 / DIN 2576 PN10 / DIN2502 PN16 / DIN2503 P25-40 / DIN2566 PN16 / DIN2631-2635 RST37.2 OR C22.8

(3) JIS SS400 OR SF440 5K / 10K / 16K / 20K / 30K

(4) UNI 2276 / 2277 / 2278 / 6084 / 6089 / 6090 / 2544 / 2282 / 6091-6093

(5) EN1092 PN6 / PN10 / PN16 / PN25 / PN40 / TYPE1 TYPE2 TYPE 5 TYPE 12 TYPE 13

(6) BS4504 SANI1123 1000/3, 1600/3, 2500/3, T/D, T/E, T/F carbon steel flange

(7) AS2129 TABLE D / TABLE H / TABLE E carbon steel flange

(8) GOST 12820-80 / 12821-80 carbon steel flange

3.Wall Thickness: Sch10, Sch20 , Sch30, STD, Sch40, XS,Sch80, Sch100, Sch120, Sch140, XXS;

4.Pressure Rating: Class 150LBS, 300LBS, 600LBS, 900LBS, 1500LBS, 2000LBS, 3000LBS, 6000LBS, 9000 LBS;

5.Size: 1/2" - 24";

6.Surface treatment: Anti-rust oil, black / yellow / transparent / electric galvanized / hot galvanized.

Carbon Steel Lap Joint Flange structure

forged steel flange dimensions class150

	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
in.	1/2"	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
in.	3/4"	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
in.	1"	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
in.	1 1/4"	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
in.	1 1/2"	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
in.	2"	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
in.	2 1/2"	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
in.	3"	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
in.	3 1/2"	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
in.	4"	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
in.	5"	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
in.	6"	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
in.	8"	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
in.	10"	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
in.	12"	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
in.	14"	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
in.	16"	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
in.	18"	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
in.	20"	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
in.	24"	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

forged steel flange dimensions class300

	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
in.	1/2"	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
in.	3/4"	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
in.	1"	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
in.	1 1/4"	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
in.	1 1/2"	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
in.	2"	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
in.	2 1/2"	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
in.	3"	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
in.	3 1/2"	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
in.	4"	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
in.	5"	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
in.	6"	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
in.	8"	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
in.	10"	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
in.	12"	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
in.	14"	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
in.	16"	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
in.	18"	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
in.	20"	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
in.	24"	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

forged steel flange dimensions class600

	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
in.	1/2"	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
in.	3/4"	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
in.	1"	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
in.	1 1/4"	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
in.	1 1/2"	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
in.	2"	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
in.	2 1/2"	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
in.	3"	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
in.	3 1/2"	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
in.	4"	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
in.	5"	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
in.	6"	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
in.	8"	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
in.	10"	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
in.	12"	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
in.	14"	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
in.	16"	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
in.	18"	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
in.	20"	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
in.	24"	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

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