API 5L X52 Bend Order from Canada

zhao77jie — Thu, 27 Mar 2025 03:10:20 +0000

On December 17, 2024, we received an inquiry from a Canadian customer. The inquiry product this time was a 34-inch Bend made of API 5LX52. We have cooperated with this customer on large-size elbows many times before, and we have a trusting cooperative relationship with each other.

This customer has very strict requirements on the quality of the goods. The customer purchased a 34 inch 45 degree bend, and asked us to produce a 34 inch 20 degree bend for destruction test.

Due to the smooth cooperation before, we quickly received the customer’s purchase order. After the production was completed, we provided the customer with the destruction test report, heat treatment report, hardness test report, magnetic particle test report, chemical composition test report and MTC, and shipped after the customer’s approval.

34 Inch 20-Degree Bend Inspection Photo

34 Inch 45-Degree Bend Inspection Photo

API 5L X52 is a steel grade under the API 5L standard, which covers seamless and welded steel pipes for the transmission of oil, gas, and fluids. The X52 grade indicates a minimum yield strength of 52,000 psi (360 MPa). When referring to a bend, it means a pipe section that has been curved or bent to change the pipeline direction while maintaining strength and integrity.

What is a Bend in Piping?

A steel pipe bend in piping refers to a curved section of a pipe used to change the direction of flow within a piping system. Unlike standard elbows, which have fixed angles, bends can have a custom radius and angle, offering more flexibility in design.

90 Degree Pipe Bend Specification

Size Range	1/2″ – 48″ / DN15 – 1200
Thickness Schedule	SCH 10 – SCH 160, XXS
Bending Radius	R≥3D (R= 3D, 4D, 5D, 6D, 7D, 8D, 9D, 10D)
Standard	ASME B36.10 / ASME B36.19 / ASME B16.49
Carbon Steel Material	ASTM A106B / A53B, API 5L B / X42 / X46 / X52 / X56 / X60 / X65 / X70, A333 GR 6
Alloy Steel Material	ASTM A335 P11 / P12 / P22 / P 5 / P9 / P91 / P92,15CrMoG, 12Cr1MoVG, 12Cr5Mo, 1Cr5Mo, Cr9Mo, 10CrMo910, 12CrMo4-5
Stainless Steel Material	ASTM A312 TP304/304L/304H, 316/316L, 310S, 317, 347, 904L

API 5L X52 Bend Chemical Composition

CHEMICAL	LIMITS	C	Mn	P	S	Si	V	Nb	Ti
API 5L X42	MIN
API 5L X42	MAX	0.160	1.650	0.02	0.01	0.450	0.07
API 5L X52 PSL1	MIN
API 5L X52 PSL1	MAX	0.28	1.40	0.030	0.030
API 5L X52 PSL2	MIN					0.10
API 5L X52 PSL2	MAX	0.18	1.50	0.025	0.015	0.45	0.05	0.05	0.04

API 5L X52 Bend Mechanical Property

MATERIAL	T.S (MPA)	Y.S (MPA)
API 5L X52 PSL1	460min	360min
API 5L X52 PSL2	460-760	360-530

API 5L X52 Bend Radius Drawing and Dimensions

Bend Radius	R≥3OD(OD is outside diameter of pipe)
Bend Angle	According to the specification of design documentation.
Tangent Length	Per standard or specified length in the design documentation,or both straight lengths are 500mm.
Outside Diameter	OD≤1200mm
Wall Thickness	According to the specification of design documentation.
Bevel at Ends	According to the bevel ends of BW fiftings or per specification of design documentation.

3D Bend 90 Degree Weight Chart in KG

DN	NPS	Sch20	Sch30	STD	Sch40	Sch60	XS	Sch80	Sch100	Sch120	Sch160	XXS
20			0.14	0.17	0.17		0.22	0.22			0.29	0.36
25	1		0.29	0.33	0.33		0.43	0.43			0.56	0.72
32	1¼		0.47	0.56	0.56		0.48	0.48			0.92	1.28
40	1½		0.70	0.80	0.80		1.07	1.07			1.43	1.88
50	2		1.18	1.43	1.43		1.97	1.97			2.92	3.53
65	2½		2.64	2.83	2.83		3.75	3.75			4.90	6.70
80	3		3.92	4.47	4.47		6.04	6.04			8.45	11.0
90	3½		5.27	6.26	6.26		8.60	8.60
100	4		6.80	8.47	8.47		11.8	11.8		14.9	17.7	21.6
125	5			14.3	14.3		20.4	20.4		26.5	32.3	37.8
150	6			22.3	22.3		33.6	33.6		42.8	53.4	62.6
200	8	35.1	38.8	44.8	44.8	56.0	68.1	68.1	80.0	95.3	117	114
250	10	55.0	67.2	79.4	79.4	107	107	126	151	175	227	204
300	12	78.5	103	117	126	172	154	209	252	295	377	295
350	14	125	150	150	174	234	198	292	359	414	519
400	16	164	196	196	260	337	260	429	517	604	770
450	18	208	290	249	369	488	330	604	734	862	1089
500	20	309	409	309	483	653	409	819	1005	1163	1487
550	22	374	496	374		852	496	1083	1307	1526	1947
600	24	446	663	446	807	1123	591	1397	1731	2023	2554

API 5L X52 Bend Applications

✔ Oil & Gas Pipelines – Used in long-distance pipelines for transporting hydrocarbons.
✔ Petrochemical & Refinery Plants – For fluid transfer between units.
✔ Power Plants – Steam and water pipelines.
✔ Water Transportation – Municipal and industrial water supply lines.

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