ASTM A815 Stainless Steel Pipe Fittings

ASTM A815 Stainless Steel Pipe Fittings

Standard: ASME B16.9/MSS SP-43, NACE MR0103
Grade: WPS31803 (UNS S31803), WPS32750 (UNS S32750), WPS32760 (UNS S32760), WPS32205 (UNS S32205)
OD: NPS 1/2" - 48"
WT: SCH 5S, 10S, 40S, 80S, XS, XXS
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Product Overview

 

ASTM A815 stainless steel pipe fittings are designed for high-performance piping systems requiring strength and structural reliability. They are widely used in chemical processing, energy, and offshore applications where strict service conditions are involved.

 

Key Features

 

  • Tailored for dual-phase systems with strict microstructure management.

All fittings undergo meticulous solution annealing and rapid cooling to achieve a precise 50:50 austenite-ferrite balance, preventing brittle sigma-phase precipitation at welded seams or hot-bent areas.

 

  • Reinforced geometric stability under extreme high-pressure operations.

Formulated with high-strength duplex and ferritic alloys, these fittings offer double the yield strength of standard austenitic grades, allowing pipelines to safely handle severe cyclic loads and pressure surges.

 

  • Precise beveling and dimensional control for fast on-site pipe alignment.

Manufactured via advanced forming and machining, all elbows, tees, and reducers strictly follow ASME B16.9 tolerances, ensuring flawless edge preparation and error-free fit-up for field welding.

 

Mechanical Properties

 

Property Minimum Requirement (e.g., UNS S31803) Test Standard
Tensile Strength ≥655MPa ASTM A370
Yield Strength ≥450MPa ASTM A370
Elongation ≥25% ASTM A370
Impact Toughness Excellent at sub-zero temperatures (Charpy V-Notch) ASTM E23
Corrosion Resistance Highly resistant to pitting & SCC (PREN≥35) ASTM A923 Method C

 

Specifications

 

Item Details
Standard ASTM A815
Size 1/2" – 48"
Thickness SCH10 – SCH160
Types Elbow, Tee, Reducer, Cap
Surface Pickled / Polished

 

Grade Reference Table

 

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Quality & Certifications

 

  • Compliant with ASTM A815 standard
  • Certified to ISO 9001:2015 quality management system
  • PED 2014/68/EU and AD2000-W0 certified
  • Approved by major international inspection agencies (TÜV, SGS, BV, DNV, ABS, LR, etc.)
  • Material Test Certificates (EN 10204 3.1) available

 

Packaging & Supply

 

  • Export-standard packaging with reinforced protection for safe long-distance transportation
  • Moisture-proof and anti-damage inner protection applied
  • Flexible MOQ and fast delivery supported by ready stock
  • Custom production and packaging available based on specifications and project requirements

 

Shipping & Delivery

 

  • Shipping methods: sea freight, air freight, and express delivery
  • Common logistics partners: DHL, FedEx, UPS (for samples or small orders)
  • Bulk orders typically shipped by sea (FCL / LCL)
  • Flexible Incoterms: EXW, FOB, CFR, CIF
  • Fast delivery supported by stable inventory

 

FAQ

 

Q1: What is ASTM A815 mainly used for?

A: ASTM A815 pipe fittings are designed for high-strength and corrosion-resistant piping systems, especially in demanding environments such as chemical processing, oil & gas, and offshore applications.

 

Q2: What is the advantage of S31803 duplex stainless steel?

A: S31803 offers higher strength and better resistance to stress corrosion cracking compared to standard stainless steels, making it ideal for aggressive and high-pressure environments.

 

Q3: Can you provide material test certificates (MTC)?

A: Yes, we can provide EN 10204 3.1 material test certificates, including chemical composition and mechanical property reports upon request.

 

Q4: Do you support third-party inspection?

A: Yes, third-party inspection by SGS, BV, or other agencies can be arranged to ensure product quality and compliance with project requirements.

 

Q5: Can you manufacture according to drawings or custom specifications?

A: Yes, we support OEM and custom production based on technical drawings, standards, or specific project requirements.

 

Q6: What is your delivery time?

A: Standard products are available from stock for fast delivery, while customized orders depend on specifications and order quantity.

 

Contact us

 

Mob: +86-13772502581

Email: judesteel@juqing.hk

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