MSS SP-43 Stainless Steel Stub Ends | A403 WP304 / 304L / 321 / 316 / 316L / 317L

✅ MSS SP-43 Stainless Steel Stub Ends | A403 WP304 / 304L / 321 / 316 / 316L / 317L

SSM supplies high-quality MSS SP-43 stainless steel stub ends manufactured according to ASTM A403. Available in 304, 304L, 321, 316, 316L, and 317L grades, our stub ends are designed for use with lap joint flanges and deliver superior corrosion resistance, weldability, and performance in demanding industrial piping systems.

These stub ends are produced with precision tolerances and smooth finishing to ensure secure and leak-free piping connections, especially in systems requiring frequent disassembly and maintenance.

✅ Product Features

Standard: MSS SP-43

Material Standard: ASTM A403

Grades Available:

304 / 304L - universal corrosion resistance

321 - heat-resistant stabilized stainless steel

316 / 316L - enhanced pitting & chloride corrosion resistance

317L - higher Mo content for improved corrosion resistance

Type: Stub End (Long Pattern / Short Pattern Available)

Manufacturing: Seamless or Welded

Surface Finish: Polished / Pickled

✅ Advantages

Excellent corrosion and heat resistance

Smooth inner bore for minimal flow resistance

High weldability and mechanical strength

Prevents flange face damage in service

Ideal for systems requiring frequent dismantling

✅ Applications

SSM stainless steel stub ends are widely used in:

Oil & gas piping systems

Petrochemical & refinery plants

Marine and offshore engineering

Food & beverage and pharmaceutical pipelines

Chemical processing systems

Water treatment and desalination plants

✅ Why Choose SSM

30+ years experience in forged + welded stainless steel fittings

Strict quality control and certified materials

Full grade selection: 304 / 304L / 321 / 316 / 316L / 317L

OEM & customized production services

Competitive pricing & reliable delivery

📩 Request a Quote

SSM can supply MSS SP-43 stainless steel stub ends in all major stainless-steel grades and sizes.
Contact us today for detailed pricing, technical support, and fast delivery.

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