AISI 4130 Flange | SAE 4130 Chrome Moly Blind/ Weld Neck Flange

SAE 4130 Blind/ Weld Neck Flange and Chrome Moly Flanges manufacturer in India

Table Of Content:

AISI 4130 Flange Specification
Chrome Moly Flanges Price List
Type of SAE 4130 Flange
4130 Steel Flange Heat Treatment
SAE 4130 Flange Pressure Rating
4130 Alloy Steel Flange Physical Properties
AISI 4130 Steel Flange Applications
4130 WNRJ Flanges Dimensions
Chromoly Flanges Flange Bolts Chart
SAE 4130 Slip On Flange Dimensions
AISI 4130 Equivalent Material
AISI 4130 Alloy Steel Flanges Chemical Composition
AISI 4130 Chromoly Flanges Mechanical Properties

25crmo4 Steel Flanges Gaskets
AISI 4130 Steel Socket Weld Flanges Dimensions
AISI 4130 UNS G41300 Flange Face Types
AISI 4130 Blind Flange Dimensions
Wall Thickness Of AISI 4130 60k Flanges
Chromoly Flanges Dimensions
Production Process Of AISI 4130 Chromoly Flanges
Size Of 25crmo4 1.7218 Flanges
AISI 4130 Chromoly Flange Thermal Properties

AISI 4130 Flange Specification

Specification	AISI 4130 Flange
Schedule	SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS
Manufacturer Pressure Class	Class 150 (lb) up to 24" Class 300 (lb) up to 20" Class 600 (lb) up to 20" Class 900 (lb) up to 16" Class 1500 (lb) up to 10" Class 2500 (lb) up to 8"
Application	Bitumen upgraders Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids.
Coating	Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Forging Methods	Casting/ Forging/ Rolling/ Cutting
Production Technique	Forged/ Heat treated and machined
Dimensions And Standard	EN 1092-1/ EN 1092-2/ API/ ISO/ JIS/ GOST/ PN
Manufacturer Length	NPS 1⁄₂" To NPS 48”
Face Type	RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove.
Most common types of	Weld Neck Ring Flanges (WNRF) Blind Ring Flanges (BLRF) Threaded Ring Flanges Lap Joint Ring Flanges (LJRF) Slip-On Ring Flanges (SORF) Socket Weld Ring Flanges (SWRF) Ring Type Joint Flanges (RTJF)
Supporting Material	Gasket/ Ring Joint/ Flange Bolts
Test Certificates	EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc
Flange Test	Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Flange Equipment	Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Stainless Steel Flanges Manufacturer In India	Forged/ Threaded/ Screwed / Plate

Price stability can be seen in 4130 Flanges Manufacturers In India
AISI 4130 Blind Flange Material have high corrosion resistance, particularly to stress corrosion cracking
Very little or no maintenance material
4130 WNRJ Flanges are suitable for harsh conditions.
Buy from Chrome Moly Flanges Manufacturers in India for factory price
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Chrome Moly Flanges Price List

Type Of Flange	Size In Inch	SCH	Class	Grade	Price In INR (India) Per Piece
Weld Neck Flange	2	STD	150	Chrome Moly	420.00
-	4	STD	300	-	878.00
-	6	80	300	-	1280.00
-	8	80	300	-	1570.00
Weld Neck	10	80	300	Chrome Moly	1790.00
Slip On Flange	2	40	150	-	386.00
-	3	40	150	-	550.00
-	4	40	150	-	790.00
-	6	40	150	-	959.00
Slip On	8	80	300	Chrome Moly	1550.00
Blind Flange	3/4	40	150	-	190.00
-	1	40	150	-	284.00
-	2-1/2	40	150	-	498.00
-	4-1/2	40	150	-	790.00
Blind Flange	6	40	150	Chrome Moly	1190.00

Finding the right 4130 Alloy Steel Slip On Flange manufacturers to meet your project needs? Vishal Steel can produce Chromoly Socket Weld Flange and SAE 4130 Steel Orifice Flanges as per customer's choice and drawing

Type Of SAE 4130 Flange

Chrome Moly Flanges

Chromoly Flanges

SAE 4130 Flanges

AISI 4130 Blind Flanges

AISI 4130 Weld Neck Flanges

AISI 4130 Slip On Flanges

AISI 4130 Threaded Flanges

4130 Alloy Steel Puddle Flanges

Chrome Moly RTJ Flanges

Chromoly Orifice Flanges

SAE 4130 Spectacle Blind Flanges

AISI 4130 Steel Plate Flanges

SAE 4130 Steel Reducing Flanges

25crmo4 Steel Vanstone Flanges

UNS G41300 Raised Face Flanges

AISI 4130 75k Flanges

AISI 4130 Alloy Steel Flanges

Chromoly AISI 4130 Flanges

25crmo4 1.7218 Flanges

AISI 4130 60k Flanges

AISI 4130 Chromoly Flanges

4130 Low Alloy Steel Flanges

AISI 4130 Alloy Steel (UNS G41300) Flanges

API 6a Flange 4130

4130 Steel Flange Heat Treatment

SAE 4130 Flange Pressure Rating

(Maximum) Working Pressure	2,000 PSI	3,000 PSI	5,000 PSI	10,000 PSI	15,000 PSI	20,000 PSI
Test Pressure	3,000 PSI	4,500 PSI	7,500 PSI	15,000 PSI	22,500 PSI	30,000 PSI
Product Specification Levels	1, 2, 3 & 4	1, 2, 3 & 4	1, 2, 3 & 4	1, 2, 3 & 4	1, 2, 3 & 4	1, 2, 3 & 4
Temperature Rating Of API 6A Flange 4130	K (-60 Deg C)	K (-60 Deg C)	K (-60 Deg C)	K (-60 Deg C)	K (-60 Deg C)	K (-60 Deg C)
	To	To	To	To	To	To
	Y (+345 Deg C)	Y (+345 Deg C)	Y (+345 Deg C)	Y (+345 Deg C)	Y (+345 Deg C)	Y (+345 Deg C)

4130 Alloy Steel Flange Physical Properties

AISI 4130 Steel Flange Applications

Specialty Chemicals
Power Generation
Condensers
Chemical Equipment
Gas Processing
Pulp and Paper Industry

Sea Water Equipment
Pharmaceutical Equipment
Off-Shore Oil Drilling Companies
Petrochemicals
Heat Exchangers
Pharmaceuticals

4130 WNRJ Flanges Dimensions

Dimensions of Class 150, 300, 600, 900, 1500, 2500

CLass	CLass 150	CLass 300	CLass 600	CLass 900	CLass 1500	CLass 2500
Diameter A	30	38	38	38	38	43
Diameter D	90	95	95	120	120	135
Thickness B	9.6	12.7	14.3	22.3	22.3	30.2
Thickness B	11.2	14.3	20.7	28.7	28.7	36.6
Diameter G	35.1	35.1	35.1	35.1	35.1	35.1
Diameter K	60.3	66.7	66.7	82.6	82.6	88.9
Hight	46	51	52	60	60	73
Hight	47.6	52.6	58.4	66.4	66.4	79.4
Number L	4	4	4	4	4	4
Diameter L	15.9	15.9	15.9	22.2	22.2	22.2
Stud Bolts Diameter x Length
Diameter (in)	1/2	1/2	1/2	3/4	3/4	3/4
Length mm	55	65	75	110	110	120

Manufacturer of ANSI B16.5 25crmo4 Spectacle Blind Flange and AISI 4130 Steel Lap Joint Flange provides hydrostatic test pressure & MTR with every delivery

Chromoly Flanges Flange Bolts Chart

	Class 150				Class 300				Class 600
NPS	# Studs And Bolts	Diameter of Studs And Bolts	Length of Stud		# Studs And Bolts	Diameter of Studs And Bolts	Length of Stud		# Studs And Bolts	Diameter of Studs And Bolts	Length of Stud
			1/16 RF	RTJ			1/16 RF	RTJ			1/4 RF	RTJ
1/2	4	0.50	2-1/4	–	4	0.50	2-1/2	3	4	0.50	3	3
3/4	4	0.50	2-1/2	–	4	0.63	3	3-1/2	4	0.63	3-1/2	3-1/2
1	4	0.50	2-1/2	3	4	0.63	3	3-1/2	4	0.63	3-1/2	3-1/2
1-1/4	4	0.50	2-3/4	3-1/4	4	0.63	3-1/4	3-3/4	4	0.63	3-3/4	3-3/4
1-1/2	4	0.50	2-3/4	3-1/4	4	0.75	3-1/2	4	4	0.75	4-1/4	4-1/4
2	4	0.63	3-1/4	3-3/4	8	0.63	3-1/2	4	8	0.63	4-1/4	4-1/4
2-1/2	4	0.63	3-1/2	4	8	0.75	4	4-1/2	8	0.75	4-3/4	4-3/4
3	4	0.63	3-1/2	4	8	0.75	4-1/4	4-3/4	8	0.75	5	5
3-1/2	8	0.63	3-1/2	4	8	0.75	4-1/4	5	8	0.88	5-1/2	5-1/2
4	8	0.63	3-1/2	4	8	0.75	4-1/2	5	8	0.88	5-3/4	5-3/4
5	8	0.75	3-3/4	4-1/4	8	0.75	4-3/4	5-1/4	8	1.00	6-1/2	6-1/2
6	8	0.75	4	4-1/2	12	0.75	4-3/4	5-1/2	12	1.00	6-3/4	6-3/4
8	8	0.75	4-1/4	4-3/4	12	0.88	5-1/2	6	12	1.13	7-1/2	7-3/4
10	12	0.88	4-1/2	5	16	1.00	6-1/4	6-3/4	16	1.25	8-1/2	8-1/2
12	12	0.88	4-3/4	5-1/4	16	1.13	6-3/4	7-1/4	20	1.25	8-3/4	8-3/4
14	12	1.00	5-1/4	5-3/4	20	1.13	7	7-1/2	20	1.38	9-1/4	9-1/4
16	16	1.00	5-1/4	5-3/4	20	1.25	7-1/2	8	20	1.50	10	10
18	16	1.13	5-3/4	6-1/4	24	1.25	7-3/4	8-1/4	20	1.63	10-3/4	10-3/4
20	20	1.13	6-1/4	6-3/4	24	1.25	8	8-3/4	24	1.63	11-1/4	11-1/2
24	20	1.25	6-3/4	7-1/4	24	1.50	9	10	24	1.88	13	13-1/4

	Class 900				Class 1500				Class 2500
NPS	# Studs And Bolts	Diameter of Studs And Bolts	Length of Stud		# Studs And Bolts	Diameter of Studs And Bolts	Length of Stud		# Studs And Bolts	Diameter of Studs And Bolts	Length of Stud
			1/4 RF	RTJ			1/4 RF	RTJ			1/4 RF	RTJ
1/2	4	0.75	4-1/4	4-1/4	4	0.75	4-1/4	4-1/4	4	0.75	4-3/4	4-3/4
3/4	4	0.75	4-1/2	4-1/2	4	0.75	4-1/2	4-1/2	4	0.75	5	5
1	4	0.88	5	5	4	0.88	5	5	4	0.88	5-1/2	5-1/2
1-1/4	4	0.88	5	5	4	0.88	5	5	4	1.00	6	6
1-1/2	4	1.00	5-1/2	5-1/2	4	1.00	5-1/2	5-1/2	4	1.13	6-3/4	6-3/4
2	8	0.88	5-3/4	5-3/4	8	0.88	5-3/4	5-3/4	8	1.00	7	7
2-1/2	8	1.00	6-1/4	6-1/4	8	1.00	6-1/4	6-1/4	8	1.13	7-3/4	8
3	8	0.88	5-3/4	5-3/4	8	1.13	7	7	8	1.25	8-3/4	9
4	8	1.13	6-3/4	6-3/4	8	1.25	7-3/4	7-3/4	8	1.50	10	10-1/4
5	8	1.25	7-1/2	7-1/2	8	1.50	9-3/4	9-3/4	8	1.75	11-3/4	12-1/4
6	12	1.13	7-1/2	7-3/4	12	1.38	10-1/4	10-1/2	8	2.00	13-1/2	14
8	12	1.38	8-3/4	8-3/4	12	1.63	11-1/2	11-3/4	12	2.00	15	15-1/2
10	16	1.38	9-1/4	9-1/4	12	1.88	13-1/4	13-1/2	12	2.50	19-1/4	20
12	20	1.38	10	10	16	2.00	14-3/4	15-1/4	12	2.75	21-1/4	22
14	20	1.50	10-3/4	11	16	2.25	16	16-3/4	–	–	–	–
16	20	1.63	11-1/4	11-1/2	16	2.50	17-1/2	18-1/2	–	–	–	–
18	20	1.88	12-3/4	13-1/4	16	2.75	19-1/2	20-3/4	–	–	–	–
20	20	2.00	13-3/4	14-1/4	16	3.00	21-1/4	22-1/4	–	–	–	–
24	20	2.50	17-1/4	18	16	3.50	24-1/4	25-1/2	–	–	–	–

SAE 4130 Slip On Flange Dimensions

CLass	150	300	600	900	1500	2500
Diameter A	30	38	38	38	38	...
Diameter D	90	95	95	120	120	...
THK B	9.6	12.7	14.3	22.3	22.3	...
THK B	11.2	14.3	20.7	28.7	28.7	...
Diameter G	35.1	35.1	35.1	35.1	35.1	...
Diameter K	60.3	66.7	66.7	82.6	82.6	...
Height	14	21	22	32	32	...
Height	15.6	22.6	28.4	38.4	38.4	...
Number L	4	4	4	4	4	...
Diameter L	15.9	15.9	15.9	22.2	22.2	...
Stud Bolts Diameter x Length
Diameter (in)	1/2	1/2	1/2	3/4	3/4	...
Length mm	55	65	75	110	110	...

AISI 4130 Equivalent Material

STANDARD	WERKSTOFF NR.	BS	EN	UNS	JIS
AISI 4130 Flange	1.7218	BS 970	25CrMo4	G41300	JIS G4105

AISI 4130 Alloy Steel Flanges Chemical Composition

Grade	Cr	Fe	Mo	P	C	Mn	Si	S	N	Ni
AISI 4130 Flange	0.80-1.10	97.3-98.22	0.15-0.25	0.035 Maximum	0.28-0.33	0.40-0.60	0.15-0.35	0.025 Maximum	-	0.50 Maximum

AISI 4130 Chromoly Flanges Mechanical Properties

Element	Yield Strength (0.2%Offset)	Elongation	Density	Melting Point	Tensile Strength
AISI 4130 Flange	460 MPa	20 %	0.28	2580	560 MPa

25crmo4 Steel Flanges Gaskets

(Normal Size Of Steel Pipes) In Inch	(I.D.) Inner Daimeter Gasket	(O.D.) Outer Daimeter Gasket
(Normal Size Of Steel Pipes) In Inch	(I.D.) Inner Daimeter Gasket	Class 150#/ LB	Class 300#/ LB	Class 400#/ LB	Class 600#/ LB	Class 900#/ LB
1/2	0.84	1.875	2.125	2.125	2.125	2.50
3/4	1.06	2.25	2.625	2.625	2.625	2.75
1	1.31	2.625	2.875	2.875	2.875	3.125
1 1/4	1.66	3	3.25	3.25	3.25	3.50
1 1/2	1.91	3.375	3.75	3.75	3.75	3.875
2	2.38	4.125	4.375	4.375	4.375	5.625
2 1/2	2.88	4.875	5.125	5.125	5.125	6.50
3	3.50	5.375	5.875	5.875	5.875	6.625
4	4.50	6.875	7.125	7.00	7.625	8.125
5	5.56	7.75	8.50	8.375	9.50	9.75
6	6.62	8.75	9.875	9.75	10.50	11.375
8	8.62	11	12.125	12.00	12.625	14.125
10	10.75	13.375	14.25	14.125	15.75	17.125
12	12.75	16.125	16.625	16.50	18.00	19.625

AISI 4130 Steel Socket Weld Flanges Dimensions

CLass	CLass 150	CLass 300	CLass 600	CLass 900	CLass 1500	CLass 2500
Diameter A	30	38	38	...	38	...
Diameter D	90	95	95	...	120	...
Thickness B	9.6	12.7	14.3	...	22.3	...
Thickness B	11.2	14.3	20.7	...	28.7	...
Diameter G	35.1	35.1	35.1	...	35.1	...
Diameter K	60.3	66.7	66.7	...	82.6	...
Height	14	21	22	...	32	...
Height	15.6	22.6	28.4	...	38.4	...
Number L	4	4	4	...	4	...
Diameter L	15.9	15.9	15.9	...	22.2	...
Stud Bolts Diameter x Length
Diameter (in)	1/2	1/2	1/2	...	3/4	...
Length mm	55	65	75	...	110	...

AISI 4130 UNS G41300 Flange Face Types

AISI 4130 Blind Flange Dimensions

Dimensions of Class 150, 300, 600, 900, 1500, 2500

CLass	CLass 150	CLass 300	CLass 600	CLass 900	CLass 1500	CLass 2500
Diameter D	90	95	95	120	120	135
B	9.6	12.7	14.3	22.3	22.3	30.2
B	11.2	14.3	20.7	28.7	28.7	36.6
Diameter G	35.1	35.1	35.1	35.1	35.1	35.1
Diameter K	60.3	66.7	66.7	82.6	82.6	88.9
Number L	4	4	4	4	4	4
Diameter L	15.9	15.9	15.9	22.2	22.2	22.2
Stud Bolts Diameter x Length
Diameter (in)	1/2	1/2	1/2	3/4	3/4	3/4
Length mm	55	65	75	110	110	120

Wall Thickness Of AISI 4130 60k Flanges

NPS	Outer Diameter (O.D)	Minimum Wall Thickness (T)	(RF) Diameter (R)	Number of Bolt Holes	Holes Diameter	BC (Bolt Circle)	SO Bore Inner Diameter (SB)	WN Bore Inner Diameter (WB)	Diameter Hub Base (HB)	Diameter of Hub Top (HT)	SO Length (SL)	WN Length (WL)
¹⁄₂	3.50	0.38	1.38	4	0.62	2.38	0.88	0.62	1.19	0.84	0.56	1.81
³⁄₄	3.88	0.44	1.69	4	0.62	2.75	1.09	0.82	1.50	1.05	0.56	2.00
1	4.25	0.50	2.00	4	0.62	3.12	1.36	1.05	1.94	1.32	0.62	2.12
1¹⁄₄	4.62	0.56	2.50	4	0.62	3.50	1.70	1.38	2.31	1.66	0.75	2.19
1¹⁄₂	5.00	0.62	2.88	4	0.62	3.88	1.95	1.61	2.56	1.90	0.81	2.38
2	6.00	0.69	3.62	4	0.75	4.75	2.44	2.07	3.06	2.38	0.94	2.44
2¹⁄₂	7.00	0.81	4.12	4	0.75	5.50	2.94	2.47	3.56	2.88	1.06	2.69
3	7.50	0.88	5.00	4	0.75	6.00	3.57	3.07	4.25	3.50	1.12	2.69
3¹⁄₂	8.50	0.88	5.50	8	0.75	7.00	4.07	3.55	4.81	4.00	1.19	2.75
4	9.00	0.88	6.19	8	0.75	7.50	4.57	4.03	5.31	4.50	1.25	2.94
5	10.00	0.88	7.31	8	0.88	8.50	5.66	5.05	6.44	5.56	1.38	3.44
6	11.00	0.94	8.50	8	0.88	9.50	6.72	6.07	7.56	6.63	1.50	3.44
8	13.50	1.06	10.62	8	0.88	11.75	8.72	7.98	9.69	8.63	1.69	3.94
10	16.00	1.12	12.75	12	1.00	14.25	10.88	10.02	12.00	10.75	1.88	3.94
12	19.00	1.19	15.00	12	1.00	17.00	12.88	12.00	14.38	12.75	2.12	4.44
14	21.00	1.31	16.25	12	1.12	18.75	14.14	13.25	15.75	14.00	2.19	4.94
16	23.50	1.38	18.50	16	1.12	21.25	16.16	15.25	18.00	16.00	2.44	4.94
18	25.00	1.50	21.00	16	1.25	22.75	18.18	17.25	19.88	18.00	2.62	5.44
20	27.50	1.62	23.00	20	1.25	25.00	20.20	19.25	22.00	20.00	2.81	5.62
22	29.50	1.75	25.25	20	1.38	27.25	22.22	21.25	24.25	22.00	3.07	5.82
24	32.00	1.81	27.25	20	1.38	29.50	24.25	23.25	26.12	24.00	3.19	5.94

Class 150/ 300/ 600 Sealing face AISI 4130 UNS G41300 Forged/ Plate Flange and 25crmo4 1.7218 Threaded Flange material manufacturer in India

Chromoly Flanges Dimensions

Manufacturer of AISI 4130 75k Long Weld Neck Flange and 4130 Low Alloy Steel Spectacle Blinds in Female, RJ, Raised, RTJ, Flat, Tongue, Groove, Male face in AS/NZ 4087/ AWWA C207 Class D standards

Production Process Of AISI 4130 Chromoly Flanges

Size Of 25crmo4 1.7218 Flanges

Normal Pipe Size	DN
1/2	15
3/4	20
1	25
1 1/4	32
1 1/2	40
2	50
2 1/2	65
3	80
4	100

AISI 4130 Chromoly Flange Thermal Properties

Properties	Imperial	Metric
Thermal conductivity (100°C)	296 BTU in/hr.ft2. °F	42.7 W/mK