JIS G4303 SUS316L Flanges

✅ JIS G4303 SUS316L Flanges – Supplied by SSM

SSM supplies high-quality flanges made from SUS316L stainless steel, conforming to JIS G4303, suitable for applications requiring excellent corrosion resistance and weldability.

📘 What is JIS G4303 SUS316L?

SUS316L is a Japanese Industrial Standard (JIS) grade of low-carbon austenitic stainless steel, equivalent to AISI 316L. It contains molybdenum for improved resistance to chlorides and acidic environments, and the low carbon content minimizes the risk of sensitization during welding.

📐 Specifications:

Material: SUS316L (as per JIS G4303)

Equivalent Grades: ASTM A182 F316L, EN 1.4404, UNS S31603

Flange Standards:

JIS B2220 (5K / 10K / 16K)

ASME B16.5

DIN EN 1092-1 (on request)

Flange Types:

Slip-On (SO)

Weld Neck (WN)

Blind (BL)

Socket Weld (SW)

Threaded (TH)

Lap Joint (LJ)

Size Range: ½" to 48" / DN15 to DN1200

Face Types: RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint)

🔩 Key Properties of SUS316L:

Excellent corrosion resistance in marine and chemical environments

Low carbon for improved weldability and reduced intergranular corrosion risk

High strength and durability at elevated temperatures

Suitable for hygienic and high-purity piping systems

📄 Certifications:

Supplied with EN 10204 3.1 / 3.2 Mill Test Certificates

Optional compliance with NACE MR0175, PED, and ISO standards

🏭 Applications:

Chemical and petrochemical processing

Marine and offshore piping

Pharmaceutical and food processing systems

Heat exchangers and pressure vessels

Water treatment and desalination plants

📦 Why Choose SSM for SUS316L Flanges?

JIS-compliant materials with full traceability

Precise dimensions and pressure ratings

Corrosion-resistant finishes and custom machining

On-time delivery and global support

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