Long Radius Bend

Table Of Content

Long Radius Bend Specifications
API 5L X60 LR Buttweld Pipe Bend Radius Chart
Types of LR Pipe Bend
3LPE Coated 6D LR Bend Dimension Chart
Dimensions of Sch 40 and 90 Degree LR Bend
Long Radius Pipe Bend Tolerance
Various Materials of Long Radius Hot Induction Bend

Manufacturer of 3LPE Coated 6D LR Bend in India, Find Specification Table Below

Long Radius Bend Specifications

Sizes of Long Radius Bend

1/2" - 24" (Buttweld)
1 1/2″ to 36" (Seamless)
DN15 - DN2000
12" - 70 (welded)

Long Radius Sweep Bend Coatings

3PE coatings
FBE coatings
Epoxy coatings

A234 Grade WPB Long Radius Bend Welding Methods

TIG
SMAW/ FCAW / GMAW

45 Degree Long Radius Bend Radius

2.5D Pipe Bend
22D Pipe Bend
6D Seamless Pipe Bend
1.5D Seamless Pipe Bend
8D Seamless Pipe Bend
5D
10D

Long Radius 90 Bend Standards

ASME B31.4
ASME B16.49
MSS SP-97
ASME B16.25
ISO 15590-1
ASME B16.9
ASME B31.8

Angles of LR Pipe Bend

20 Degree
90 Deg
180 Degree
135 Deg
45 Degree
60 Deg
120 Degree
80 Degree

LR Bend Forming

Hot formed / Cold drawn

Outside Diameter

38.0 mm – 206.0 mm

Connection

Welding

Bending Techniques

Tensile bending
Heating bending
Mandrel bending
Liquid filling bending
Roll bending
Press bending
Compression bending

Long Radius 45 Degree Bend Schedules

SCH XXS
SCH 40
SCH 60
SCH 180
SCH 80
SCH 160

Marking of 3LPE Coated 6D LR Bend

ASTM standard
Sizes
Heat Number
Material & grade
Thickness- schedule
Origin of country

3LPE Coated 6D LR Bend Documents

Raw material test reports
Welding procedure specification
Material test certificates (MTC)
Heat treatment charts

API 5L X60 LR Buttweld Pipe Bend Surface Finishes

Rust proof
Black painted
Paintting black color
Anti rust oil

Long Radius Duct Bend Certificates

NACE TM-0284
NACE MR0103
ISO 15156
NACE MR0175

Copper Long Radius Bend Process

Seamless pipe
Sheet, Plates
Forgings
Bars
Fusion-welded pipe

Weight Calculation Formula

L = Weight of double sides straight length
D = Diameter
T = Wall Thickness
R = Radius
θ = Angle

Duplex Steel Long Radius Return Bend Heat Treatment

Normalizing and tempering
Quenching and tempering
Normalizing
Solution annealing

45 and 90 Degree Long Radius Bend Services

Cutting
Polishing
Beveling end
Hot dipped galvanized
MTR’s Available
Metal stampings

Testing Methods

Beveling machine
Hardness tester
Hydro testing
Corrosion testing
Hydrogen-induced cracking (HIC)
Charpy testing
Mechanical testing

End Types of Long Radius Pipe Bend

Bevel
Plain
Buttweld

Supplier of 45 and 90 Degree Long Radius Bend in Various Radius as Per ASME B16.28 Standard

API 5L X60 LR Buttweld Pipe Bend Radius Chart

Standard pipe	DN	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400	500
Standard pipe	Diameter [ØD]	26,9	33,7	42,4	48,3	60,3	76,1	88,9	114,3	139,7	168,3	219,1	273	323,9	355,6	406,4	508
Spec	CLR	110	110	110	110	125
2.5D	CLR	67	84	106	212	151	190	222	286	350	421
Bauart 5	CLR						175	205	270	330	390	510	650	775	850	970	1245

Types of LR Pipe Bend

Stockist of API 5L X60 LR Buttweld Pipe Bend in Size Ranging From DN15 to DN2000, View Dimension Chart

3LPE Coated 6D LR Bend Dimension Chart

NB Size (inch)	8	0.75	1.25	3	1.5	2.5	2	4	1	5	6	0.5
Pipe ID (mm)	211.6	22.5	36.6	82.8	42.7	66.9	54.8	108.2	27.9	134.5	161.5	17.1
WT (mm)	3.8	2.1	2.8	3.1	2.8	3.1	2.8	3.1	2.8	3.4	3.4	2.1
L1(mm)	305	38.1	47.6	114	57.2	95.2	76.2	152	38.1	190	228.6	38.1
Pipe OD (mm)	219.1	26.7	42.2	88.9	48.3	73	60.3	114.3	33.4	141.3	168.3	21.3

Dimensions of Sch 40 and 90 Degree LR Bend

NB Size (inch)	8	5	0.75	4	1.25	1.5	2.5	2	3	1	6	0.5
OD (mm)	219.1	141.3	26.7	114.3	42.2	48.3	73	60.3	88.9	33.4	168.3	21.3
Pipe ID (mm)	202.7	128.2	20.9	102.3	35	40.9	62.7	52.5	77.9	26.6	154.1	15.8
WT (mm)	8.2	6.6	2.9	6	3.6	3.7	5.2	3.9	5.5	3.4	7.1	2.8
L1	305	190	38.1	152	47.6	57.2	95.2	76.2	114	38.1	228.6	38.1

View A234 Grade WPB Long Radius Hot Induction Bend Tolerance as per ASME B16.9

Long Radius Pipe Bend Tolerance

NPS	NPS	3 to 3 ½	½ to 2½		32 to 48		3 to 3 ½	4	10 to 18		20 to 24		5 to 8		26 to 30
ALL FITTINGS	WT Up to 87.5% of nominal thickness
	I.D. at End	0.06	0.03		0.19		0.06	0.06	0.12		0.19		0.06		0.19
	O.D. at Bevel	0.06	0.06	-0.03	0.25	-0.19	0.06	0.06	0.16	-0.12	0.25	-0.19	0.09	-0.06	0.25	-0.19
180 DEG LR BENDS	Alignment of Ends U	0.03	0.03		…		0.03	0.03	0.06		0.06		0.03		…
	C to C O	0.25	0.25		…		0.25	0.25	0.38		0.38		0.25		…
	Back-to-Face K	0.25	0.25				0.25	0.25	0.25		0.25		0.25		…

Get Duplex Steel Long Radius Return Bend with Roll, Press, Compression and Mandrel Bending process, View Available Grades

Various Materials of Long Radius Hot Induction Bend

Stainless Steel LR Bend	304	304l	316	316l	310	321	347	Nickel Alloy	Inconel 625	Hastelloy C22	Alloy 20	Inconel 601	Incoloy 800	Monel K500	Hastelloy C276	Inconel 600	Incoloy 825	Monel 400	Duplex Steel	UNS S32205	UNS S31803
Alloy Steel Long Radius Pipe Bend	ASTM A234 WP91	ASTM A234 WP22	ASTM A234 WP11	ASTM A234 WP5	ASTM A234 WP9			Titanium LR Pipe Bend	Ti gr 2	Titanium Gr 5
Carbon Steel Long Radius Return Bend	ASTM A420 WPL6	ASTM A234 WPB	ASTM A860 WPHY 52	ASTM A860 WPHY 60	ASTM A860 WPHY 65			Copper Nickel	Cuni 90/10	Cupro nickel 70/30									Super Duplex	UNS S32750	UNS S32760