Manufacturer of Stainless Steel 309H Buttweld Fitting

BAHUBALI Alloysare using the information and experience, we are included in supplying quality guaranteed SS Buttweld Fitting. At our sellers' end, our offered fitting is fabricated utilizing brilliant stainless steel that is acquired from tried and true sources. Our offered fitting is made accessible in different determinations and thickness according to the customers' necessities. This fitting is properly analyzed on different components such as predominant completion and resistance against consumption. SS Buttweld Fitting is offered at most aggressive costs.

We furthermore stocks and supplies a complete extent of SS 309H pipes to supplement our present creation extent of 309H buttweld fittings. Stainless steel 309H buttweld pipe fittings can be supplied in cut to length sizes moreover machined or made to meet your piping necessities.


Table 1. Composition ranges for Stainless Steel 309H Buttweld Fittings

Grade 309H C Mn Si P S Cr Mo Ni Fe
min. 0.04 - - - - 22.0 - 12.0 58.1
max. 0.10 2.0 0.75 0.045 0.030 24.0 - 15.0 66.0

Table 2. Mechanical properties of Stainless Steel 309H Buttweld Fittings

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
309H 580 230 35 90 198
309HH also has a requirement for a grain size of ASTM No 7 or coarser.

Table 3. Physical properties of Stainless Steel 309H Buttweld Fitting in the annealed condition

Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (m/m/0C) Thermal Conductivity (W/m.K) Specific Heat 0-1000C (J/kg.K) Electrical Resistivity (n.m)
0-1000C 0-3150C 0-5380C at 1000C at 5000C
7.73 220 11.5 17.8 18.4 16.2 21.5 450 570

Table 4. Grade specifications for Stainless Steel 309H Buttweld Fittings

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
309H S30900/S30908 SA240 - 1.4343A - - -
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

Table 5. Standard specifications for Stainless Steel 309H Buttweld Fittings

Designation ASTM A403, ASME SA403
Size Seamless 1/2" to 24" , Welded 1/2" to 24", Two Joint / Two Halve Fittings 6" to 48"
Schedules 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS
Wall Thickness Sch. 5S To Sch. XXS
Type Seamless / Welded / Fabricated
Grade ASTM A403 WP 309H

Types of Stainless Steel 309H Buttweld Fittings

   SS 309H Short & Long Stub Ends
   SS 309H Seamless Buttweld Pipe Fittings
   SS 309H Piggable Bends
   SS 309H Pipe End Caps
   SS 309H Split Tees
   SS 309H Welded Buttweld Pipe Fittings

   SS 309H 90 & 45 Deg Elbows
   SS 309H Equal & Unequal Cross
   SS 309H Long & Short Radius Elbows
   SS 309H Equal & Unequal Tees
   SS 309H Concentric & Eccentric Reducer
   SS 309H Bends

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