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http://www.sstubecn.com/butt-weld-fittings/concentric-reducer.html

Product description
We are concentric reducer suppliers, manufactures, and exporters, a type of concentric reducer stainless steel that fastens pipe sections on the same axis and is conical in shape. The usual forming process is reduction pressing, expansion pressing or reduction and expansion pressing. Stamping forming can also be used for some specifications of different diameter tubes. These pipe fittings have varying ends and can join unequal diameter pipes on different pipe sections falling on the same axis.

REDUCER（Concentric, Eccemtric, with hem, without hem）
Concentric Reducer Forming Type:
Pressing(Cold working/Hot working)Machining,Welded,Heat Treatment.

Concentric Reducer Size:
Seamless Fittings 1/2"-32", Welded Fittings 1/2"-120"

Concentric Reducer Standard:
GB 12459, GB/T 13401, SH3408, SH3409, ASME/ANSI B16.9, JIS B 2311/2220, DIN2617/2616/2615 , GOST 17378

Concentric Reducer Wall Thickness:
SCH5S-SCH160

Concentric Reducer Material:
Stainless Steel:
OCr18Ni9, 0Cr18Ni9Ti, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, 00Cr19Ni10, 00Cr17Ni14Mo2,
ASTM A403 WP304, WP304L, WP304/304L, WP304H, WP316, WP316L, WP316/316LWP321, WP321H, WP347, WP347H
Super Stainless Steel:
ASTM 904L, B366-N08904, A403-WP317, 317L, 254SMO(UNS S31254)
Duplex & Super Duplex Steel:
ASTM A815-S31803, S32205, S32750, S32760, 2205
Low Temp. Steel:
ASTM A420-WPL6, WPL3,
Alloy Steel:
12CrMo, 15Cr5Mo, Cr5Mo, 12Cr1MoV, 16Mn, ASTM A234-WP11, WP22, WP91, WP5, WP9
Pipeline Steel:
L245, L290, L360, L415, L450, L485, ASTM A860 (MSS SP-75)- WPHY42, WPHY52, WPHY60, WPHY65, WPHY70
Carbon Steel:
ASTM A234-WPB, WPC
Nickel Alloy Steel:
B361 WP6061, B366 N08904, N010276, N04400, N06600, N08825, N10276
B625 N08904, B574 N04400 , N06600, N010276, B649 N08904

Concentric Reducer Tests and Inspections
X Radiography Test
Mechanical Test
Chemical Composition Analysis
Permeation Test
Ultrasonic Test
Metallographic Structure Test
Intergranular Corrosion Test
Hardness Test
Flattening Test
PMI
Impact Test

Concentric Reducer Documentation offered
Raw Material Test Report
EN10204 3.1 Test Certificate
Heat Treatment Chart
Heat Treatment Report
Quality Assurance Plan
Inspection And Test Procedure Report
Welding Procedure Specification
Procedure Qualification Record

Concentric Reducer Application
Stainless steel concentric reducer in oil and gas pipeline
High quality concentric reducer uses in Chemical industry
Alloy steel concentric reducer uses in Plumbing
Buttweld concentric reducer fitting uses in heating
Hastelloy concentric reducer uses in water supply systems
Nickel alloy concentric reducer uses in power Plant
Inconel buttweld concentric reducer uses in paper industry
Reducer pipe fittings uses in general purpose applications
Concentric reducer uses in fabrication industry
Manufacture concentric reducer uses in petroleum
Monel steel reducer uses in Papermaking
Duplex steel reducer uses in shipbuilding
Super duplex steel reducer uses in Petrochemical
Alloy 20 reducer uses in natural gas industry
Ss304 reducer uses in ocean engineering
Super Austenite steel reducer uses in nuclear industry
SS reducer in food and beverage
254Mo reducer uses in electrical powerplant
Asme B16.9 reducer uses in pharmacy

We are stock , distribution, manufacturer, suppliers, stockholder, traders,wholesaler,importer and exporter for reducer in stainless steel, duplex stee,hastelloy,monel steel and inconel steel .