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316 material iso 4144 standard bsp stainless steel pipe fittings ellows

ASTM A403 Gr WP316 standard are ideal for pressure piping applications. It defines all the seamless and welded pipe fittings made with 316 grade stainless steel.

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UNS S31600 ASTM A403 WP316 Buttweld Pipe Fittings Manufacturers in China, 316 Stainless Steel Pipe Fittings in STOCK,

Check Attractive Price Offer On Werkstoff No.1.4436 316 Stainless Steel Fittings at HT PIPE

 

UNS S31600, which is often referred to as marine grade stainless steel offers much better mechanical and corrosion resistance properties in comparison to austenitic stainless steel alloy 304. Similar to alloy 304, the Stainless Steel 316 Pipe Fittings belong to the austenitic family of stainless steels. Although it is known as a chromium-nickel stainless steel alloy, this molybdenum bearing alloy grade imparts good pitting resistance to the fitting in comparison to regular stainless steel and carbon or alloy steel grade fittings.

The Stainless Steel 316 material is austenitic stainless steel with chromium, nickel, and added molybdenum in its chemical composition. Due to the added molybdenum in the Stainless Steel 316 Pipe Fittings , they have better corrosion resisting properties. The SS 316 elbow shows good resistance to chloride ion related stress corrosion cracking. Thus, they can be used in various marine and seawater applications.

Wrought grade UNS S31600 ASTM A403 WP316 Buttweld Pipe Fittings are produced in the factory and are made available between a size range of NPS 1 ⁄ 2 through NPS 48. The ASTM A403 specification also requires that the chemistry of the Werkstoff No.1.4436 316 Stainless Steel Fittings conform to the standard with regards to elements such as carbon, silicon, chromium, manganese, phosphorus, sulfur, molybdenum, and titanium. To check the conformance of these ASME B16.9 SS 316 Fittings, they are subjected to both a chemical as well as a product analysis. Although these fittings are to be administered tension tests, to determine its mechanical properties, most buyers prefer that the ASTM A403 WP316 Fittings have been visually examined for defects.

 

ASTM A403 WP316 Elbow Equivalent Grades

STANDARD ASTM A403 SS 316
WERKSTOFF NR. 1.4401 / 1.4436
UNS S31600
JIS SUS 316
BS 316S31 / 316S33
GOST
AFNOR Z7CND17‐11‐02
EN X5CrNiMo17-12-2 / X3CrNiMo17-13-3

 

A403 WP316 Fittings Chemical Composition

% 316
C 0.0-0.07
Mn 0.0-2.0
Si 0.0-1.0
P 0.0-0.05
S 0.0-0.02
Cr 16.50-18.50
Mo 2.00-2.50
Ni 10.00-13.00
Ti
Fe balance

 

SS 316 Fitting Mechanical Properties

Grade Tensile Str
(MPa) min
Yield Str
0.2% Proof
(MPa) min
Elong
(% in 50mm) min
Hardness
Rockwell B (HR B) max Brinell (HB) max
316 515 205 40 95 217
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