Stainless Steel 316L Forged Fittings

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Stainless Steel 316L Forged Fittings are high-pressure piping components used in harsh and corrosive environments. Eckhardt Steel & Alloys is one of the top manufacturers and suppliers of these low-carbon fittings that avoid weld sensitization and eliminate the need for post-weld heat treatment entirely. When installing socket weld elbows in wastewater facilities or threaded tees in chloride-rich processing lines, these components resist pitting and crevice corrosion far better than standard grades. Cold working increases their mechanical yield strength. We manufacture these 316L SS forged fittings to handle intense fusion processes, securing leak-free connections across reducers, crosses, and custom equipment setups.


Stainless Steel 316L Socketweld Fitting
  • SS 316L Forged Socketweld Union
  • Stainless Steel 316L Threaded Pipe Nipple
  • SS 316L Forged Socketweld Fitting
  • SS 316L Socket Weld 90deg Elbow
  • SS 316L 45 Degree Elbow
  • Stainless Steel 316L Forged Threaded Tee
  • Stainless Steel 316L Socketweld Fitting
  • SS 316L Threaded Fittings
  • Stainless Steel 316L Forged Bushing
  • ASTM A182 SS 316L Socket Weld Elbow
  • Stainless Steel 316L Socket Weld Couplings
  • SS 316L Forged Fittings
SS 316L Forged Socketweld Fittings

SS 316L Forged Socketweld Fittings

316L Steel Forged Threaded Fitting

316L Steel Forged Threaded Fitting

These Stainless Steel 316L Forged Socket Weld Reducer is Chromium - Nickel stainless steel with added molybdenum to increase corrosion resistance and mechanical properties. Our 316L Stainless Steel Forged Fitting has much higher resistance to chlorides at elevated temperatures, with good formability. These 316L SS Forged Threaded Fittings has excellent corrosion resistance at normal temperatures in ordinary atmospheric conditions withstanding some natural acids.

 

 

Equivalent Grades for 316L SS Threaded Forged Fittings

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
316 – 316L S31600/S31603 304S11 58E 1.4401 / 1.4436 X5CrNiMo17-12-2 / X3CrNiMo17-13-3 2347 / 2348 SUS 316 – 316L

 

316L SS Forged Fitting Chemical Composition

Molybdenum and chromium additions drive the aggressive corrosion resistance of these structural components. The strict 0.03% maximum carbon limit defines the "L" grade, directly preventing weld decay during heavy fabrication. Review the exact elemental breakdown for our alloy composition below.

Element Minimum (%) Maximum (%)
Carbon (C) – 0.08
Manganese (Mn) – 2.0
Silicon (Si) – 0.75
Phosphorus (P) – 0.045
Sulfur (S) – 0.03
Chromium (Cr) 16.0 18.0
Molybdenum (Mo) 2.0 3.0
Nickel (Ni) 10.0 14.0
Nitrogen (N) – 0.10

 

SS 316L Forged Fittings Mechanical Properties

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
316 – 316L 515 205 40 95 217

 

NOTE : OTHER SIZES AND GRADES ARE AVAILABLE UPON REQUEST

 

Stainless Steel 316L Forged Fitting Specifications

Match your system parameters against our dimensional and pressure rating standards. We machine these fittings to exact ASME tolerances, covering both threaded and socket weld configurations. High-pressure applications rely on the 9000 LBS class for maximum pipeline integrity.

Feature Specification Details
Material Specifications ASTM A182 / ASME SA182
Manufacturing Standards ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Size Range ⅛″ NB to 4″ NB
Pressure Classes 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Connection Types Socketweld Fittings, Screwed-Threaded Fittings

 

SS 316 vs SS 316L Forged Fittings

Selecting the correct alloy impacts your total project lifecycle. Standard 316 contains up to 0.08% carbon, while 316L caps this element at 0.03%. This slight reduction fundamentally changes weldability. Heavy welding on standard grades causes carbide precipitation, forcing crews into expensive post-weld heat treatments to restore corrosion resistance. The lower carbon in 316L eliminates this requirement entirely.

Both grades deliver identical pitting resistance against chlorides because they share the same 2.0–3.0% molybdenum content. We recommend standard 316 for high-temperature structural components where maximum tensile strength matters. Specify 316L for heavy-gauge welded piping assemblies in chemical processing, marine infrastructure, and pharmaceutical plants.

Material costs remain nearly identical between the two. Your actual financial savings come from reduced installation labor and zero heat-treatment delays when deploying the L-grade material.

 

Frequently Asked Questions

The "L" grade caps carbon at 0.03% to stop weld sensitization. Standard 316 allows 0.08% carbon.

We provide these parts in 2000, 3000, 6000, and 9000 LBS ratings.

Dimensional tolerances are precisely in accordance with ASME 16.11 and ASTM A182.

Yes. It has a minimum of 2% molybdenum which prevents chloride pitting when in direct contact with salt water.

We cut NPT, BSPT and BSPP threads for all screw connections.

 

The right low-carbon alloy specification prevents costly weld deterioration in high-pressure processing lines.

Please contact our staff to ensure stock availability for your necessary bore sizes and pressure classes.

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Stainless Steel 316L Forged Fitting

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