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Stainless steel forged fittings

Stainless Steel Forged Fittings

What are the advantages of using Stainless Steel Forged Fittings over other materials?

Forging is a standard manufacturing technique for fittings which show exceptional strength and reliability. Stainless steel forged fittings tend to have higher reliability than cast components. They get produced through compressive forces like hammering and rolling.

Grades 304 and SS 316 threaded fittings are usual for these fittings due to the chromium-nickel composition that lends them excellent corrosion resistance. The latter also contains molybdenum to boast improved performance in marine environments.

SS socket weld fittings pose multiple advantages over other alternatives:

  • Shows resistance to pitting, crevice corrosion, and stress corrosion cracking
  • Tougher and more reliable under impact than cast options
  • Shows easy weldability
  • Stainless steel 304l socket weld fittings also exhibit enhanced wear and tear resistance

These products are available in different shapes and sizes, for instance, an SS 316l threaded tee, to address buyer requirements.

SS forged elbow manufacturer India


Specification of stainless steel forged fittings

SS forged fittings size range Stainless steel alloy socket weld elbow ASTM standard Pressure class of polished ss threaded tee
  • Class 3000 : 1/2 to 4"
  • Class 6000/ 9000: 1/2 to 2"
  • DN6 - DN100
  • ASTM A479
  • ASTM A276
  • ASTM A182
  • Class 3000
  • Class 6000
  • Class 9000
Stainless socket weld cross temperature range Dimension standard of SS threaded cross Custom stainless steel forged fittings types
  • 870°C - 925°C
  • MSS SP-79
  • 83
  • 95
  • 97
  • ASME 16.11
  • BS 3799
  • Socket weld fittings
  • Threaded fittings
  • Coupling
  • Union
SS swage nipples density Connection Mirror stainless steel threaded elbow melting point
  • 8.0 g/cm3
  • Male
  • Socket
  • Threaded
  • Union
  • 1400°C

We are using the latest welding techniques to ensure the highest quality and integrity of SS 316 threaded fittings

How do stainless steel forged fittings withstand harsh environmental conditions in industrial settings?

SS 317l forged fittings operate in industries exposed to intense environmental conditions, like chemical processing and oil & gas industries. The material grade decides the net resilience, but these products have overall fatigue resistance. The chemical composition of chromium, nickel, nitrogen, and molybdenum is responsible for these properties.

Stainless socket weld fittings can resist intergranular corrosion and stress rupture. They also endure exposure to sulfides without undergoing stress corrosion.

The production process lends strength to these components since they experience pressure, trimming, and shot blasting.

We are stainless steel forged fittings manufacturer in India, visit us for free sample, We supply SS forged fittings to Costa Rica, Puerto Rico, Trinidad, and Tobago in 10 days.

Types of SS socket weld fittings


SS socket weld elbow

SS socket weld elbow

Stainless steel material SW tee

Stainless steel material SW tee

Polished SS socket weld cross

Polished SS socket weld cross

Stainless steel alloy SW coupling

Stainless steel alloy SW coupling

Magnetic SS socket weld half coupling

Magnetic SS socket weld half coupling

Stainless steel SW cap

Stainless steel SW cap

Types of stainless steel alloy threaded fittings


Polished ss threaded elbow

Polished ss threaded elbow

Stainless steel threaded tee

Stainless steel threaded tee

Custom stainless steel threaded cross

Custom stainless steel threaded cross

SS threaded half coupling

SS threaded half coupling

Magnetic stainless steel threaded coupling

Magnetic stainless steel threaded coupling

Stainless steel alloy threaded cap

Stainless steel alloy threaded cap

Mirror stainless steel bull plugs

Mirror stainless steel bull plugs

SS swage nipples

SS swage nipples

We offer a range of surface finishes for SS forged fittings, including custom options

How does Nondestructive Testing (NDT) ensure the quality of stainless steel forged fittings?

NDT techniques get preferred for stainless steel 316Ti socket weld fittings to diagnose defects like cracks and discontinuities. Most manufacturers use PMI (positive material identification) and radiography, but approaches like ultrasonic testing are also common. The products may also undergo hydrostatic testing and magnetic particle detection.

We issue a detailed MTR, or Mill Test Report, with a stainless steel 347 forged elbow to ascertain its properties and fitment to a specific application.

Occasionally, manipulative tests may be essential to check properties like hardness, tensile strength, and corrosion resistance.

SS forged fittings useful informations


SS forged fittings useful informations

Chemical composition of SS socket weld fittings


C Mn Si P S Cr Ni
0.08 max
2 max
0.75 Max
0.045 max
0.030 max
18 - 20
8 - 11
Know more about the chemical and mechanical properties of stainless steel 316 socket weld fittings by browsing with us

Mechanical properties of stainless steel threaded fittings


Grade Density Melting points Tensile strength Yield strength(0.2% offset) Elongation
SS 8.0g/ cm3 1400°C (255°F) PSI-75000, MPa-515 PSi-30000, MPa-205 35%
To view the range of sizes we offer for stainless steel forged elbow, refer to our specification tables

Equivalent properties of SS socket weld fittings


Standard Werkstoff nr. UNS JIS BS GOST AFNOR EN
304 1.4301 S30400 SUS 304 304S31 08X18H10 Z7CN18-09 X5CrNi18-10
316 1.4401 / 1.4436 S31600 SUS 316 316S31 / 316S33 - Z7CND17‐11‐02 X5CrNiMo17-12-2 / X3CrNiMo17-13-3
316l 1.4404 / 1.4435 S31603 SUS 316L 316S11 / 316S13 03Ch17N14M3 / 03Ch17N14M2 Z7CND17‐11‐02 X5CrNiMo17-12-2 / X3CrNiMo17-13-3
 

SS 316L forged fittings manufacturing methods


SS 316L forged fittings manufacturing methods
 

Weight chart of SS forged fittings


Normal Pipe Size A B Weight In KG QTY
½ 1.12 1.31 0.57 100
¼ 0.81 0.88 0.20 160
1 ¼ 1.75 2.19 1.68 25
¾ 1.31 1.5 0.71 75
1 ½ 2.00 2.44 2.38 18
1 1.5 1.81 1.08 40
3 3.38 4.31 10.36 2
2 2.38 2.97 3.55 10
2 ½ 3.00 3.62 6.22 4
4 4.19 5.75 23.91 1

Manufacturing standard of SS 316 threaded tee


  • ASTM A182 - ASME SA182
  • MSS SP-43
  • ASME B16.11
  • MSS SP-95
  • BS3799

Stainless steel forged fittings applications


stainless steel forged fittings applications

Pressure ratings of SS socket weld fittings


Stainless steel 310s socket weld fittings pressure temperature
Temperature Class
150 300
1 1/4 - 2 inch. 1/4 - 1 inch. 2 1/2 - 3 inch.
(oC) (oF)
-29 to 66 -20 to 150 300 1500 2000 1000
121 250 225 1200 1575 825
93 200 265 1350 1785 910
149 300 185 1050 1360 735
204 400 - 750 935 560
177 350 150 900 1150 650
232 450 - 600 725 475
288 550 - 300 300 300
260 500 - 450 510 385

Tolerances of SS threaded fittings


Stainless steel forged elbow dimensional tolerances
"A" - threaded center to bottom 3/8", 1/2" - 3/4" ± 0.06"
Size
1/8" - 1/4"
± 0.03"
2-1/2", 3", 4" ± 0.10"
1", 1-1/4", 1-1/2 , 2" ± 0.08"
"B" - threaded bore diameter 2", 2-1/2", 3", 4" + 0.025"
- 0.000"

1-1/2" , smaller
+ 0.020"
- 0.000"
"C" - threaded wall thickness Min. = 1.09 T (But Not Less Than 5/32")
T = Wall Thickness Of Nominal Pipe Sizes
"D" - bore diameter of SS socketweld fittings 2-1/2", 3", 4" ± 0.060"
Size
2" , Smaller
± 0.030"
"E" - threadeds- bottom to bottom ( full couplings) Size
1/8" , 1/4"
± 0.06"
1", 1-1/4", 1-1/2", 2" ± 0.16"
3/8", 1/2", 3/4" ± 0.12"
2-1/2", 3", 4" ± 0.20"
"F" - bottom of threaded to opposite face ( Half Couplings ) Size
1/8" , 1/4"
± 0.03"
1", 1-1/4", 1-1/2" , 2" ± 0.08"
3/8", 1/2" ,3/4" ± 0.06"
2-1/2", 3", , 4" ± 0.10"
"G" - gap of welding Approx. 0.06"
"H" - min. flat Min. Flat = 0.75 X Min.

SS forged tee features


SS forged tee features