Stainless Steel Threaded Flange

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Product : Stainless Steel Threaded Flange

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Stainless steel threaded flanges, also known as screwed flanges, are used to connect pipes with threaded ends. They are ideal for high-pressure applications and can be assembled without welding, making them suitable for systems where welding is not possible or desirable.

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

2.Standard: ANSI, JIS, DIN, EN;

3.Material: 304/304L, 316/316L, 316H, 310, F321 F44 (UNS S31254)

Alloy Steel flanges ASTM A182 F1, F5a, F9, F11, F12, F22, F91;

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

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

6.Size: 1/2″ – 24″;

7.Surface treatment: antirust oil, black / yellow / transparent / electric galvanized / hot galvanized.

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• Specifications

  

  forged steel flange dimensions class150

  	Nominal size	Outside diam. of flange	Thick. of flange	Diam. of raised face	Diam of hub at base	Length thru hub	Min. thread lenght	Min. counter	No. of holes	Diam. of holes	Diam. of bolts	Diam. of bolt circle	Approx. weight pounds Kg
  								-bore
  		O	C	R	X	Y	T	Q
  in.	1/2″	3.5	0.44	1.38	1.19	0.62	0.62		4	0.62	1/2	2.38	1
  mm.		88.9	11.2	35.1	30.2	15.7	15.7			15.7	12.7	60.5	0.5
  in.	3/4″	3.88	0.5	1.69	1.5	0.62	0.62		4	0.62	1/2	2.75	2
  mm.		98.6	12.7	42.9	38.1	15.7	15.7			15.7	12.7	69.9	1
  in.	1″	4.25	0.56	2	1.94	0.69	0.69		4	0.62	1/2	3.12	2
  mm.		108	14.2	50.8	49.3	17.5	17.5			15.7	12.7	79.2	1
  in.	1 1/4″	4.62	0.62	2.5	2.31	0.81	0.81		4	0.62	1/2	3.5	3
  mm.		117.3	15.7	63.5	58.7	20.6	20.6			15.7	12.7	88.9	1
  in.	1 1/2″	5	0.69	2.88	2.56	0.88	0.88		4	0.62	1/2	3.88	3
  mm.		127	17.5	73.2	65	22.4	22.4			15.7	12.7	98.6	1
  in.	2″	6	0.75	3.62	3.06	1	1		4	0.75	5/8	4.75	5
  mm.		152.4	19.1	91.9	77.7	25.4	25.4			19.1	15.9	120.7	2
  in.	2 1/2″	7	0.88	4.12	3.56	1.12	1.12		4	0.75	5/8	5.5	7
  mm.		177.8	22.4	104.6	90.4	28.4	28.4			19.1	15.9	139.7	3
  in.	3″	7.5	0.94	5	4.25	1.19	1.19		4	0.75	5/8	6	8
  mm.		190.5	23.9	127	108	30.2	30.2			19.1	15.9	152.4	4
  in.	3 1/2″	8.5	0.94	5.5	4.81	1.25	1.25		8	0.75	5/8	7	11
  mm.		215.9	23.9	139.7	122.2	31.8	31.8			19.1	15.9	177.8	5
  in.	4″	9	0.94	6.19	5.31	1.31	1.31		8	0.75	5/8	7.5	13
  mm.		228.6	23.9	157.2	134.9	33.3	33.3			19.1	15.9	190.5	6
  in.	5″	10	0.94	7.31	6.44	1.44	1.44		8	0.88	3/4	8.5	15
  mm.		254	23.9	185.7	163.6	36.6	36.6			22.4	19.1	215.9	7
  in.	6″	11	1	8.5	7.56	1.56	1.56		8	0.88	3/4	9.5	19
  mm.		279.4	25.4	215.9	192	39.6	39.6			22.4	19.1	241.3	9
  in.	8″	13.5	1.12	10.62	9.69	1.75	1.75		8	0.88	3/4	11.75	30
  mm.		342.9	28.4	269.7	246.1	44.5	44.5			22.4	19.1	298.5	14
  in.	10″	16	1.19	12.75	12	1.94	1.94		12	1	7/8	14.25	43
  mm.		406.4	30.2	323.9	304.8	49.3	49.3			25.4	22.2	362	20
  in.	12″	19	1.25	15	14.38	2.19	2.19		12	1	7/8	17	64
  mm.		482.6	31.8	381	365.3	55.6	55.6			25.4	22.2	431.8	29
  in.	14″	21	1.38	16.25	15.75	2.25	2.25		12	1.12	1	18.75	90
  mm.		533.4	35.1	412.8	400.1	57.2	57.2			28.4	25.4	476.3	41
  in.	16″	23.5	1.44	18.5	18	2.5	2.5		16	1.12	1	21.25	98
  mm.		596.9	36.6	469.9	457.2	63.5	63.5			28.4	25.4	539.8	44
  in.	18″	25	1.56	21	19.88	2.69	2.69		16	1.25	1.13	22.75	130
  mm.		635	39.6	533.4	505	68.3	68.3			31.8	28.6	577.9	59
  in.	20″	27.5	1.69	23	22	2.88	2.88		20	1.25	1 1/8	25	165
  mm.		698.5	42.9	584.2	558.8	73.2	73.2			31.8	28.6	635	75
  in.	24″	32	1.88	27.25	26.12	3.25	3.25		20	1.38	1 1/4	29.5	220
  mm.		812.8	47.8	692.2	663.4	82.6	82.6			35.1	31.8	749.3	100

  

  forged steel flange dimensions class300

  	Nominal size	Outside diam. of flange	Thick. of flange	Diam. of raised face	Diam of hub at base	Length thru hub	Min. thread length	Min. counter-	No. of holes	Diam. of holes	Diam. of bolts	Diam. of bolt circle	Approx. weight pounds Kg
  								bore
  		O	C	R	X	Y	T	Q
  in.	1/2″	3.75	0.56	1.38	1.5	0.88	0.62	0.93	4	0.62	1/2	2.62	2
  mm.		95.3	14.2	35.1	38.1	22.4	15.7	23.6		15.7	12.7	66.5	1
  in.	3/4″	4.62	0.62	1.69	1.88	1	0.62	1.14	4	0.75	5/8	3.25	3
  mm.		117.3	15.7	42.9	47.8	25.4	15.7	29		19.1	15.9	82.6	1
  in.	1″	4.88	0.69	2	2.12	1.06	0.69	1.41	4	0.75	5/8	3.5	3
  mm.		124	17.5	50.8	53.8	26.9	17.5	35.8		19.1	15.9	88.9	1
  in.	1 1/4″	5.25	0.75	2.5	2.5	1.06	0.81	1.75	4	0.75	5/8	3.88	4
  mm.		133.4	19.1	63.5	63.5	26.9	20.6	44.5		19.1	15.9	98.6	2
  in.	1 1/2″	6.12	0.81	2.88	2.75	1.19	0.88	1.99	4	0.88	3/4	4.5	6
  mm.		155.4	20.6	73.2	69.9	30.2	22.4	50.5		22.4	19.1	114.3	3
  in.	2″	6.5	0.88	3.62	3.31	1.31	1.12	2.5	8	0.75	5/8	5	7
  mm.		165.1	22.4	91.9	84.1	33.3	28.4	63.5		19.1	15.9	127	3
  in.	2 1/2″	7.5	1	4.12	3.94	1.5	1.25	3	8	0.88	3/4	5.88	10
  mm.		190.5	25.4	104.6	100.1	38.1	31.8	76.2		22.4	19.1	149.4	5
  in.	3″	8.25	1.12	5	4.62	1.69	1.25	3.63	8	0.88	3/4	6.62	13
  mm.		209.6	28.4	127	117.3	42.9	31.8	92.2		22.4	19.1	168.1	6
  in.	3 1/2″	9	1.19	5.5	5.25	1.75	1.44	4.13	8	0.88	3/4	7.25	17
  mm.		228.6	30.2	139.7	133.4	44.5	36.6	104.9		22.4	19.1	184.2	8
  in.	4″	10	1.25	6.19	5.75	1.88	1.44	4.63	8	0.88	3/4	7.88	22
  mm.		254	31.8	157.2	146.1	47.8	36.6	117.6		22.4	19.1	200.2	10
  in.	5″	11	1.38	7.31	7	2	1.69	5.69	8	0.88	3/4	9.25	28
  mm.		279.4	35.1	185.7	177.8	50.8	42.9	144.5		22.4	19.1	235	13
  in.	6″	12.5	1.44	8.5	8.12	2.06	1.81	6.75	12	0.88	3/4	10.62	39
  mm.		317.5	36.6	215.9	206.2	52.3	46	171.5		22.4	19.1	269.7	18
  in.	8″	15	1.62	10.62	10.25	2.44	2	8.75	12	1	7/8	13	58
  mm.		381	41.1	269.7	260.4	62	50.8	222.3		25.4	22.2	330.2	26
  in.	10″	17.5	1.88	12.75	12.62	2.62	2.19	10.88	16	1.12	1	15.25	81
  mm.		444.5	47.8	323.9	320.5	66.5	55.6	276.4		28.4	25.4	387.4	37
  in.	12″	20.5	2	15	14.75	2.88	2.38	12.94	16	1.25	1 1/8	17.75	115
  mm.		520.7	50.8	381	374.7	73.2	60.5	328.7		31.8	28.6	450.9	52
  in.	14″	23	2.12	16.25	16.75	3	2.5	14.19	20	1.25	1 1/8	20.25	165
  mm.		584.2	53.8	412.8	425.5	76.2	63.5	360.4		31.8	28.6	514.4	75
  in.	16″	25.5	2.25	18.5	19	3.25	2.69	16.19	20	1.38	1 1/4	22.5	190
  mm.		647.7	57.2	469.9	482.6	82.6	68.3	411.2		35.1	31.8	571.5	86
  in.	18″	28	2.38	21	21	3.5	2.75	18.19	24	1.38	1 1/4	24.75	250
  mm.		711.2	60.5	533.4	533.4	88.9	69.9	462		35.1	31.8	628.7	113
  in.	20″	30.5	2.5	23	23.12	3.75	2.88	20.19	24	1.38	1 1/4	27	315
  mm.		774.7	63.5	584.2	587.2	95.3	73.2	512.8		35.1	31.8	685.8	143
  in.	24″	36	2.75	27.25	27.62	4.19	3.25	24.19	24	1.62	1 /2	32	475
  mm.		914.4	69.9	692.2	701.5	106.4	82.6	614.4		41.1	38.1	812.8	215

  

  forged steel flange dimensions class600

  	Nominal size	Outside diam. of flange	Thick. of flange	Diam. of raised face	Diam of hub at base	Length thru hub	Min. thread length	Min. counter-	No. of holes	Diam. of holes	Diam. of bolts	Diam. of bolt circle	Approx. weight pounds Kg
  								bore
  		O	C	R	X	Y	T	Q
  in.	1/2″	3.75	0.56	1.38	1.5	0.88	0.62	0.93	4	0.62	1/2	2.62	2
  mm.		95.3	14.2	35.1	38.1	22.4	15.7	23.6		15.7	12.7	66.5	1
  in.	3/4″	4.62	0.62	1.69	1.88	1	0.62	1.14	4	0.75	5/8	3.25	3
  mm.		117.3	15.7	42.9	47.8	25.4	15.7	29		19.1	15.9	82.6	1
  in.	1″	4.88	0.69	2	2.12	1.06	0.69	1.41	4	0.75	5/8	3.5	4
  mm.		124	17.5	50.8	53.8	26.9	17.5	35.8		19.1	15.9	88.9	2
  in.	1 1/4″	5.25	0.81	2.5	2.5	1.12	0.81	1.75	4	0.75	5/8	3.88	5
  mm.		133.4	20.6	63.5	63.5	28.4	20.6	44.5		19.1	15.9	98.6	2
  in.	1 1/2″	6.12	0.88	2.88	2.75	1.25	0.88	1.99	4	0.88	3/4	4.5	7
  mm.		155.4	22.4	73.2	69.9	31.8	22.4	50.5		22.4	19.1	114.3	3
  in.	2″	6.5	1	3.62	3.31	1.44	1.12	2.5	8	0.75	5/8	5	9
  mm.		165.1	25.4	91.9	84.1	36.6	28.4	63.5		19.1	15.9	127	4
  in.	2 1/2″	7.5	1.12	4.12	3.94	1.62	1.25	3	8	0.88	3/4	5.88	13
  mm.		190.5	28.4	104.6	100.1	41.1	31.8	76.2		22.4	19.1	149.4	6
  in.	3″	8.25	1.25	5	4.62	1.81	1.38	3.63	8	0.88	3/4	6.62	16
  mm.		209.6	31.8	127	117.3	46	35.1	92.2		22.4	19.1	168.1	7
  in.	3 1/2″	9	1.38	5.5	5.25	1.94	1.56	4.13	8	1	7/8	7.25	21
  mm.		228.6	35.1	139.7	133.4	49.3	39.6	104.9		25.4	22.2	184.2	10
  in.	4″	10.75	1.5	6.19	6	2.12	1.62	4.63	8	1	7/8	8.5	37
  mm.		273.1	38.1	157.2	152.4	53.8	41.1	117.6		25.4	22.2	215.9	17
  in.	5″	13	1.75	7.31	7.44	2.38	1.88	5.69	8	1.12	1	10.5	63
  mm.		330.2	44.5	185.7	189	60.5	47.8	144.5		28.4	25.4	266.7	29
  in.	6″	14	1.88	8.5	8.75	2.62	2	6.75	12	1.12	1	11.5	80
  mm.		355.6	47.8	215.9	222.3	66.5	50.8	171.5		28.4	25.4	292.1	36
  in.	8″	16.5	2.19	10.62	10.75	3	2.25	8.75	12	1.25	11/8	13.75	115
  mm.		419.1	55.6	269.7	273.1	76.2	57.2	222.3		31.8	28.6	349.3	52
  in.	10″	20	2.5	12.75	13.5	3.38	2.56	10.88	16	1.38	1 1/4	17	170
  mm.		508	63.5	323.9	342.9	85.9	65	276.4		35.1	31.8	431.8	77
  in.	12″	22	2.62	15	15.75	3.62	2.75	12.94	20	1.38	1 1/4	19.25	200
  mm.		558.8	66.5	381	400.1	91.9	69.9	328.7		35.1	31.8	489	91
  in.	14″	23.75	2.75	16.25	17	3.69	2.88	14.19	20	1.5	1 3/8	20.75	230
  mm.		603.3	69.9	412.8	431.8	93.7	2.9	360.4		38.1	34.9	527.1	104
  in.	16″	27	3	18.5	19.5	4.19	3.06	16.19	20	1.62	1 1/2	23.75	330
  mm.		685.8	76.2	469.9	495.3	106.4	77.7	411.2		41.1	38.1	603.3	150
  in.	18″	29.25	3.25	21	21.5	4.62	3.12	18.19	20	1.75	1.63	25.75	400
  mm.		743	82.6	533.4	546.1	117.3	79.2	462		44.5	41.3	654.1	181
  in.	20″	32	3.5	23	24	5	3.25	20.19	24	1.75	1 5/8	28.5	510
  mm.		812.8	88.9	584.2	609.6	127	82.6	512.8		44.5	41.3	723.9	231
  in.	24″	37	4	27.25	28.25	5.5	3.62	24.19	24	2	1 7/8	33	730
  mm.		939.8	101.6	692.2	717.6	139.7	91.9	614.4		50.8	47.6	838.2	331

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