China ASTM A815-WP UNS S31803 45 Degree Duplex Stainless Steel BW Elbow 1/2

ASTM A815-WP UNS S31803 45 Degree Duplex Stainless Steel BW Elbow 1/2"-48" Size Range

Price Negotiable

Price: PER BASE MATERIAL PRICE

MOQ: TO BE NEGOTIATED

Delivery Time: 60 DAYS FOR ONE CONTAINER

Brand: KASUGAI

Product Description

Product Overview

ASTM A815-WP UNS S31803 45 Degree BW Elbow is a high-performance duplex stainless steel butt welding elbow designed for demanding industrial applications requiring superior corrosion resistance and mechanical strength.

Elbow Radius Specifications

Long Radius vs Short Radius

Long radius elbows (R ≥ 1.5×Diameter) are engineered for high-pressure and high-flow rate pipelines, minimizing friction and pressure drop. Short radius elbows provide compact directional changes in chemical, food processing, water supply, and industrial piping systems.

Class WP Fitting Categories

Class WP-S: Seamless manufacturing method
Class WP-W: Contains radiographed fabrication welds
Class WP-WX: All welds fully radiographed

Technical Specifications

Parameter	Specification
Product Name	ASTM A815-WP UNS S31803 45 Degree Duplex Stainless Steel BW Elbow
Size Range	1/2" to 48"
Wall Thickness	Sch10S, Sch20, STD, Sch40, XS, Sch80
Standards	ASTM A815 WP
Material	UNS S31803
Manufacturing Standards	ASME B16.9

UNS S31803 Chemical Composition

Element	Content (%)
C	0.03
Mn	2.00
P	0.03
S	0.02
Si	1.00
Ni	4.5-6.5
Cr	21.0-23.0
Mo	2.5-3.5
N	0.08-0.20

45° Butt Weld Elbow Dimensions

BW 45 Degree Long Radius Elbow WP UNS S31803 Duplex Stainless Steel Butt Weld

Long Radius (LR) dimensions per ASME B16.9 standard:

Nominal Pipe Size (NPS)	Outside Dia. at Bevel (mm)	Center-to-End A (mm)	Weight Range (kg)
1/2"	21.3	16	0.03-0.08
3/4"	26.7	19	0.03-0.08
1"	33.4	22	0.08-0.10
2"	60.3	35	0.25-0.47
4"	114.3	64	1.10-2.70
8"	219.1	127	5.30-14.95
12"	323.8	190	13.60-49.94
24"	610	381	71.00-333.70