ASME B16.5 ASTM A105 SORF Flange DN500 Class150

The sum of Cu, Ni, Cr, Mo and V shall not exceed 1.00%.
The sum of Cr and Mo shall not exceed 0.32%.
The carbon equivalent CE=[C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15] shall be no greater than 0.47.

Mechanical Properties of ASTM A105

Tensile Strength min.		Yield Strength min.		Elongation min.	Reduction of Area, min.	Hardness
MPa	ksi	MPa	ksi	%	%	HBW
485	70	250	36	22	30	137-187

Product Forms and Standards

Product Form	Standards
Forged Flanges	ASME B16.5, ASME B16.47, MSS SP 44, EN 1092-1, NORSOK L-005, BS 4504, ASME B16.48, ASME B16.36
Forged Fittings	ASME B16.11, BS 3799, MSS SP 83, MSS SP 95, MSS SP 97, GB/T14383, GB/T14626
Valve & Valve Parts	ASME B16.34, API 600, API 602
Boiler & Pressure Vessel	ASME Section IX

ASME B16.5 Slip On Flanges Dimensions

Class 150 Slip On Flange Dimensions

FLANGE Normal Pipe Size	Inside Diam.	Outside Diam.	Bolt Circle (BC)	Raised Face (R)	Raised Face (RF)	H	RF Thickness (T)	T1	FF Thickness (T2)	Bolt Hole (B)	No. of Bolt Holes
1/2	0.88	3.50	2.38	1.38	.063	1.19	.62	.38	.56	.62	4
3/4	1.09	3.88	2.75	1.69	.063	1.50	.62	.44	.56	.62	4
1	1.36	4.25	3.12	2.00	.063	1.94	.69	.50	.63	.62	4
1-1/4	1.70	4.62	3.50	2.50	.063	2.31	.81	.56	.75	.62	4
1-1/2	1.97	5.00	3.88	2.88	.063	2.56	.88	.62	.82	.62	4
2	2.44	6.00	4.75	3.62	.063	3.06	1.00	.69	.94	.75	4
2-1/2	2.94	7.00	5.50	4.12	.063	3.56	1.12	.82	1.06	.75	4
3	3.57	7.50	6.00	5.00	.063	4.25	1.19	.88	1.13	.75	4
3-1/2	4.07	8.50	7.00	5.50	.063	4.81	1.25	.88	1.19	.75	8
4	4.57	9.00	7.50	6.19	.063	5.31	1.31	.88	1.25	.75	8
5	5.66	10.00	8.50	7.31	.063	6.44	1.44	.88	1.38	.88	8
6	6.72	11.00	9.50	8.50	.063	7.56	1.56	.94	1.50	.88	8
8	8.72	13.50	11.75	10.62	.063	9.69	1.75	1.06	1.69	.88	8
10	10.88	16.00	14.25	12.75	.063	12.00	1.94	1.13	1.88	1.00	12
12	12.88	19.00	17.00	15.00	.063	14.38	2.19	1.19	2.13	1.00	12
14	14.14	21.00	18.75	16.25	.063	15.75	2.25	1.32	2.19	1.12	12
16	16.16	23.50	21.25	18.50	.063	18.00	2.50	1.38	2.44	1.12	16
18	18.18	25.00	22.75	21.00	.063	19.88	2.69	1.50	2.63	1.25	16
20	20.20	27.50	25.00	23.00	.063	22.00	2.88	1.63	2.83	1.25	20
22	22.22	29.50	27.25	25.25	.063	24.25	3.13	1.75	3.07	1.38	20
24	24.25	32.00	29.50	27.25	.063	26.12	3.25	1.82	3.19	1.38	20

300# Slip On Flange Dimensions

FLANGSE NORMAL PIPE SIZE	Inside Diam.	Outside Diam.	Bolt Circle (BC)	RF (R)	RF (RF)	H	RF Thickness (T)	T1	FF Thickness (T2)	Bolt Hole (B)	No. of Bolt Holes
1/2	0.88	3.75	2.62	1.38	.063	1.50	0.88	0.50	0.82	0.62	4
3/4	1.09	4.62	3.25	1.69	.063	1.88	1.00	.056	0.94	0.75	4
1	1.36	4.88	3.50	2.00	.063	2.12	1.06	0.63	1.00	0.75	4
1-1/4	1.70	5.25	3.88	2.50	.063	2.50	1.06	0.69	1.00	0.75	4
1-1/2	1.95	6.12	4.50	2.88	.063	2.75	1.19	0.75	1.13	0.88	4
2	2.44	6.50	5.00	3.62	.063	3.31	1.31	0.82	1.25	0.75	8
2-1/2	2.94	7.50	5.88	4.12	.063	3.94	1.50	0.94	1.44	0.88	8
3	3.57	8.25	6.62	5.00	.063	4.62	1.69	1.06	1.63	0.88	8
3-1/2	4.07	9.00	7.25	5.50	.063	5.25	1.75	1.13	1.69	0.88	8
4	4.57	10.00	7.88	6.19	.063	5.75	1.88	1.19	1.82	0.88	8
5	5.66	11.00	9.25	7.31	.063	7.00	2.00	1.32	1.94	0.88	8
6	6.72	12.50	10.62	8.50	.063	8.12	2.06	1.38	2.00	0.88	12
8	8.72	15.00	13.00	10.62	.063	10.25	2.44	1.56	2.38	1.00	12
10	10.88	17.50	15.25	12.75	.063	12.62	2.62	1.82	2.56	1.12	16
12	12.88	20.50	17.75	15.00	.063	14.75	2.88	1.94	2.82	1.25	16
14	14.14	23.00	20.25	16.25	.063	16.75	3.00	2.06	2.94	1.25	20
16	16.16	25.50	22.50	18.50	.063	19.00	3.25	2.19	3.19	1.38	20
18	18.18	28.00	24.75	21.00	.063	21.00	3.50	2.32	3.44	1.38	24
20	20.20	30.50	27.00	23.00	.063	23.12	3.75	2.44	3.69	1.38	24
22	22.22	33.00	29.25	25.25	.063	25.25	4.00	2.57	3.94	1.63	24
24	24.25	36.00	32.00	27.25	.063	27.62	4.19	2.69	4.13	1.62	24

600 Lb Slip On Flange Dimensions

FLANGE NORMAL PIPE SIZE	Inside Diam.	Outside Diam.	Bolt Circle (BC)	RF (R)	RF (RF)	H	RF Thickness (T)	T1	FF Thickness (T2)	Bolt Hole (B)	No. of Bolt Holes
1/2	0.88	3.75	2.62	1.38	.250	1.50	1.13	0.56	0.88	0.62	4
3/4	1.09	4.62	3.25	1.69	.250	1.88	1.25	0.62	1.00	0.75	4
1	1.36	4.88	3.50	2.00	.250	2.12	1.31	0.69	1.06	0.75	4
1-1/4	1.7	5.25	3.88	2.50	.250	2.50	1.37	0.81	1.12	0.75	4
1-1/2	1.95	6.12	4.50	2.88	.250	2.75	1.50	0.88	1.25	0.88	4
2	2.44	6.50	5.00	3.62	.250	3.31	1.69	1.00	1.44	0.75	8
2-1/2	2.94	7.50	5.88	4.12	.250	3.94	1.87	1.12	1.62	0.88	8
3	3.57	8.25	6.62	5.00	.250	4.62	2.06	1.25	1.81	0.88	8
3-1/2	4.07	9.00	7.25	5.50	.250	5.25	2.19	1.38	1.94	1.00	8
4	4.57	10.75	8.50	6.19	.250	6.00	2.37	1.5	2.12	1.00	8
5	5.66	13.00	10.50	7.31	.250	7.44	2.63	1.75	2.38	1.12	8
6	6.72	14.00	11.50	8.50	.250	8.75	2.87	1.88	2.62	1.12	12
8	8.72	16.50	13.75	10.62	.250	10.75	3.25	2.19	3.00	1.25	12
10	10.88	20.00	17.00	12.75	.250	13.5	3.63	2.50	3.38	1.38	16
12	12.88	22.00	19.25	15.00	.250	15.75	3.87	2.62	3.62	1.38	20
14	14.14	23.75	20.75	16.25	.250	17.00	3.94	2.75	3.69	1.50	20
16	16.16	27.00	23.75	18.50	.250	19.50	4.44	3.00	4.19	1.62	20
18	18.18	29.25	25.75	21.00	.250	21.50	4.87	3.25	4.62	1.75	20
20	20.20	32.00	28.50	23.00	.250	24.00	5.25	3.50	5.00	1.75	24
22	22.22	34.25	30.63	25.25	.250	26.25	5.50	3.75	5.25	1.75	24
24	24.25	37.00	33.00	27.25	.250	28.25	5.75	4.00	5.50	2.00	24

Slip On Flange 900# Dimensions

FLANGE NORMAL PIPE SIZE	Inside Diam.	Outside Diam.	Bolt Circle (BC)	RF (R)	RF (RF)	H	RF Thickness (T)	T1	FF Thickness (T2)	Bolt Hole (B)	No. of Bolt Holes
3	3.57	9.50	7.50	5.00	.250	5.00	2.38	1.50	2.13	1.00	8
4	4.57	11.50	9.25	6.19	.250	6.25	3.00	1.75	2.75	1.25	8
5	5.66	13.75	11.00	7.31	.250	7.50	3.38	3.00	3.13	1.38	8
6	6.72	15.00	12.50	8.50	.250	9.25	3.63	2.19	3.38	1.25	12
8	8.72	18.50	15.50	10.63	.250	11.75	4.25	2.50	4.00	1.50	12
10	10.88	21.50	18.50	12.75	.250	14.50	4.50	2.75	4.25	1.50	16
12	12.88	24.00	21.00	15.00	.250	16.50	4.88	3.13	4.63	1.50	20
14	14.14	25.25	22.00	16.25	.250	17.75	5.38	3.38	5.13	1.63	20
16	16.16	27.75	24.25	18.50	.250	20.00	5.50	3.50	5.25	1.75	20
18	18.18	31.00	27.00	21.00	.250	22.25	6.25	4.00	6.00	2.00	20
20	20.20	33.75	29.50	23.00	.250	24.50	6.50	4.25	6.25	2.13	20
24	24.25	41.00	35.50	27.25	.250	29.50	8.25	5.50	8.00	2.63	20

Class 1500 Slip On Flange Dimensions

FLANGES NORMAL PIPE SIZE	Inside Diam.	OD	Bolt Circle (BC)	RF (R)	RF (RF)	H	RF Thickness (T)	T1	FF Thickness (T2)	Bolt Hole (B)	No. of Bolt Holes
1/2	0.88	4.75	3.25	1.38	.250	1.50	1.50	0.88	1.25	0.88	4
3/4	1.09	5.13	3.50	1.69	.250	1.75	1.63	1.00	1.38	0.88	4
1	1.36	5.88	4.00	2.00	.250	2.06	1.88	1.13	1.63	1.00	4
1-1/4	1.70	6.25	4.38	2.50	.250	2.50	1.88	1.13	1.63	1.00	4
1-1/2	1.95	7.00	4.88	2.88	.250	2.75	2.00	1.25	1.75	1.13	4
2	2.44	8.50	6.50	3.63	.250	4.13	2.50	1.50	2.25	1.00	8
2-1/2	2.94	9.63	7.50	4.13	.250	4.88	2.75	1.63	2.50	1.13	8
3 **	3.57	10.50	8.00	5.00	.250	5.25	3.13	1.88	2.88	1.25	8
4 **	4.57	12.25	9.50	6.19	.250	6.38	3.81	2.13	3.56	1.38	8
5 **	5.66	14.75	11.50	7.31	.250	7.75	4.38	2.88	4.13	1.63	8
6 **	6.72	15.50	12.50	8.50	.250	9.00	4.94	3.25	4.69	1.50	12
8 **	8.72	19.00	15.50	10.63	.250	11.50	5.88	3.63	5.63	1.75	12
10 **	10.88	23.00	19.00	12.75	.250	14.50	6.50	4.25	6.25	2.00	12
12 **	12.88	26.50	22.50	15.00	.250	17.75	7.38	4.88	7.13	2.13	16

2500 Lb Slip On Flanges Dimensions

FLANGE NPS	Inside Diam.	Outside Diam.	Bolt Circle (BC)	RF (R)	RF (RF)	H	RF Thickness (T)	T1	FF Thickness (T2)	Bolt Hole (B)	No. of Bolt Holes
1/2	0.88	5.25	3.50	1.38	.250	1.69	1.81	1.19	1.56	0.88	4
3/4	1.09	5.50	3.75	1.69	.250	2.00	1.94	1.25	1.69	0.88	4
1	1.36	6.25	4.25	2.00	.250	2.25	2.13	1.38	1.88	1.00	4
1-1/4	1.70	7.25	5.13	2.50	.250	2.88	2.31	1.50	2.06	1.13	4
1-1/2	1.95	8.00	5.75	2.88	.250	3.13	2.63	1.75	2.38	1.25	4
2	2.44	9.25	6.75	3.63	.250	3.75	3.00	2.00	2.75	1.13	8
2-1/2	2.94	10.50	7.75	4.13	.250	4.50	3.38	2.25	3.13	1.25	8
3	3.57	12.00	9.00	5.00	.250	5.25	3.88	2.63	3.63	1.38	8
4	4.57	14.00	10.75	6.19	.250	6.50	4.50	3.00	4.25	1.63	8
5	5.66	16.50	12.75	7.31	.250	8.00	5.38	3.63	5.13	1.88	8
6	6.72	19.00	14.50	8.50	.250	9.25	6.25	4.25	6.00	2.13	8
8	8.72	21.75	17.25	10.63	.250	12.00	7.25	5.00	7.00	2.13	12
10	10.88	26.50	21.25	12.75	.250	14.75	9.25	6.50	9.00	2.63	12
12	12.88	30.00	24.38	15.00	.250	17.38	10.25	7.25	10.00	2.88	12

Weight Chart of Slip On Flanges

NPS		DIMENSIONS		WEIGHT (KG)
Normal Pipe Size (In.)	DN (Millimeter)	FLANGE Outer Diameter Millimeter	FLANGE THICK. D MM	SOW SW	WN	BLIND
1/2	15	88.9	11.2	0.4	0.5	0.4
3/4	20	98.6	12.7	0.6	0.7	0.6
1	25	108	14.2	0.8	1	0.9
1 1/4	32	117.3	15.7	1	1.3	1.2
1 1/2	40	127	17.5	1.3	1.7	1.5
2	50	152.4	19.1	2.1	2.6	2.4
2 1/2	65	177.8	22.4	3.3	4.1	3.9
3	80	190.5	23.9	3.9	4.9	4.9
3 1/2	90	215.9	23.9	4.8	6.1	6.2
4	100	228.6	23.9	5.3	6.8	7.0
5	125	254	23.9	6.1	8.6	8.6
6	150	279.4	25.4	7.5	10.6	11.3
8	200	342.9	28.4	12.1	17.6	19.6
10	250	406.4	30.2	16.5	24	28.6
12	300	482.6	31.8	26.2	36.5	43.2
14	350	533.4	35.1	34.6	48.4	58.1
16	400	596.9	36.6	44.8	60.6	76.1
18	450	635	39.6	48.9	68.3	93.7
20	500	698.5	42.9	61.9	84.5	122.0
24	600	812.8	47.8	86.9	115	185.0

Pressure Ratings of SORF Flanges

ASME B16,5 Slip On Flanges Pressure Ratings With Weight and Size
NPS	Class 150			Class 300			Class 600			Class 900			Class 1500			Class 2500
NPS	WN	SO	BLD	WN	SO	BLD	WN	SO	BLD	WN	SO	BLD	WN	SO	BLD	WN	SO	BLD
1/2″	2	1	1	2	1	1	2	2	2	1500# WEIGHTS			5	4	4	7	7	7
3/4″	2	2	2	3	3	3	4	3	3	1500# WEIGHTS			6	5	6	8	8	8
1″	3	2	2	4	3	3	4	4	4	1500# WEIGHTS			9	8	8	12	11	11
1 1/2″	4	3	3	7	6	6	8	7	8	1500# WEIGHTS			13	12	13	25	22	23
2″	6	5	5	9	7	8	12	9	10	1500# WEIGHTS			25	25	25	42	37	39
2 1/2″	8	7	7	12	10	12	18	13	15	1500# WEIGHTS			36	36	35	52	55	56
3″	10	8	9	15	13	16	23	16	20	31	26	29	48	48	48	94	83	86
4″	15	13	17	25	22	27	42	37	41	53	53	54	73	73	73	145	125	130
5″	19	15	20	32	28	35	68	63	68	86	83	87	130	130	140	245	210	225
6″	24	19	26	42	39	50	81	80	86	110	110	115	165	165	160	380	325	345
8″	39	30	45	67	58	81	120	115	140	175	170	200	275	260	300	580	485	530
10″	52	43	70	91	81	124	190	170	230	260	245	290	455	435	510	1075	930	1025
12″	80	64	110	140	115	185	225	200	295	325	325	415	690	580	690	1525	1100	1300
14″	110	90	140	180	165	250	280	230	355	400	400	520	940	NA	975	NA	NA	NA
16″	140	98	180	250	190	295	390	330	495	495	425	600	1250	NA	1300	NA	NA	NA
18″	150	130	220	320	250	395	475	400	630	680	600	850	1625	NA	1750	NA	NA	NA
20″	180	165	285	400	315	505	590	510	810	830	730	1075	2050	NA	2225	NA	NA	NA
22″	225	185	355	465	370	640	720	590	1000	NA	NA	NA	NA	NA	NA	NA	NA	NA
24″	260	220	430	580	475	790	830	730	1250	1500	1400	2025	3325	NA	3625	NA	NA	NA

ASTM A105 is the standard specification covering forged carbon steel piping components for ambient- and higher-temperature service in pressure systems. It can be readily manufactured to flanges, fittings, valves, and other piping components in accordance with dimensional standards such as MSS, ASME, API, EN/BS, DIN, NOSOK specifications, etc. A105 forgings are limited to a maximum weight of 4540 kg [10000 lb]. As stated in our quality manual, welding repair of defects in ASTM A105 flanges or fittings is absolutely prohibited by yaang(although it is permissible by the standard).
Forging
ASTM A105 carbon steel can be forged at temperatures in the range of 2200 to 1700 Fahrenheit (°F) followed by quenching and tempering or normalizing. The actual hot forging temperatures in closed die forging process will be decided by a number of factors, such as complexity of the forged part.
The proper temperature of forging can only be checked at the beginning of forging, higher temperature will probably cause surface defects, such as mill scales, which will bring uneven surface. And lower temperature will be not conducive to the plastic deformation of C1045 carbon steel forged part.
A105 forgings are limited to a maximum weight of 4540 kg [10000 lb]. As stated in our quality manual, welding repair of defects in ASTM A105 flanges or fittings is absolutely prohibited by yaang(although it is permissible by the standard).
Heat Treatment
Heat treatment is not a mandatory requirement of ASTM A105 piping components. However, there are some exceptions: ASME B16.5 flanges Class 400, 900, 1500, 2500; Flanges of special design where the design pressure at the design temperature exceeds the pressure-temperature ratings of Class 300; Flanges of special design where the design pressure or temperature are not known; Forged fittings or valve parts which are over 4″ and Class 300.
The typical heat treatment conducted for A105 forgings includes annealing(A), normalizing(A), normalizing and tempering(NT), quenching and tempering(QT). Especially, normalizing at approximate 950°C for 2.5 hours is often required by many clients to eliminate possible internal stress in the forgings. These materials are usually marked as “ASTM A105N”.
Machinability
Machinability of A105 carbon steel forging is good as for any of the low alloy steels.
Applications

This ASTM specification covers carbon steel forgings for piping applications such as flanges and fittings (45°eblow, 90° eblow, tee, coulping, etc)

What is Export Package for Flanges

Apply antirust oil to flanges.
Wrapping them with plastic foam.
Packing them into wooden case or pallet.
Stick shipping mark on the outside of wooden case.

How to Guarantee the Quality of Flanges

Visual the surface of buttweld flanges body. Such as dents, die marks, porosity, undercuts.
Check the marking. Such as size, type, grade, thickness, heat No.
Measure the dimensions. Such as diameter, thickness.
Test the chemical properties of flanges.

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ASME B16.5 ASTM A105 SORF Flange DN500 Class150

Short Description

Key Specifications / Features

Chemical Composition Of A105 Carbon Steel

Mechanical Properties of ASTM A105

Product Forms and Standards

ASME B16.5 Slip On Flanges Dimensions

Class 150 Slip On Flange Dimensions

300# Slip On Flange Dimensions

600 Lb Slip On Flange Dimensions

Slip On Flange 900# Dimensions

Class 1500 Slip On Flange Dimensions

2500 Lb Slip On Flanges Dimensions

Weight Chart of Slip On Flanges

Pressure Ratings of SORF Flanges

What is Export Package for Flanges

How to Guarantee the Quality of Flanges

Request a quote

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