16-Inch ASTM A860 WPHY 52 Elbow Supplied to Singapore with ABS 3.2 Certification

A 16-inch elbow is already a sizeable piping component. Add SCH 100 wall thickness, a short-radius configuration, ASTM A860 WPHY 52 material and a marine certification requirement, and the specification becomes much more than a standard fitting purchase.

Haihao Group recently supplied a 16-inch ASTM A860 WPHY 52 elbow to a customer in Singapore. The order called for a 90° short-radius seamless elbow with SCH 100 wall thickness, ASME B16.9 dimensions, bevelled ends and an ABS 3.2 marine-grade certificate.

For this type of order, the individual details need to stay connected from the purchase specification through production and documentation.

One Elbow, Several Specifications to Match

The basic order description is concise:

The ASTM A860 WPHY 52 elbow was not specified simply by diameter. The 16-inch size identifies the nominal pipe connection, while SCH 100 defines the required wall-thickness designation. ASME B16.9 governs the dimensional basis of the butt-weld fitting, and the bevelled ends correspond to the welding connection specified for the order.

This combination is why the complete specification matters when sourcing a large-diameter elbow. Changing one item can result in a different product requirement.

16 inch ASTM A860 WPHY 52 elbow with ABS marine certification

Why the Short-Radius Design Matters

The order specifically calls for a 90° short-radius elbow, rather than a general 90° elbow.

That distinction is relevant when the piping layout has limited space for a directional change. The fitting must match the geometry shown in the project design, so radius should be confirmed together with nominal size and wall thickness during procurement.

For a 16-inch component, this is not a detail that should be left to assumption. A buyer looking for an ASTM A860 WPHY 52 elbow should state the required radius clearly in the RFQ, particularly when the project drawing specifies a short-radius configuration.

SCH 100 Gives the Order Another Level of Definition

The second specification that stands out is SCH 100.

A 16-inch elbow with SCH 100 is not interchangeable with an elbow carrying a different wall designation simply because the outside diameter is the same. The wall-thickness requirement has to correspond with the piping system into which the fitting will be installed.

For this Singapore order, SCH 100 was part of the original product definition. Haihao Group therefore produced the elbow according to the specified combination of size, wall designation and material rather than treating the size alone as the purchasing reference.

This is particularly useful for engineering and procurement teams preparing RFQs for ASTM A860 WPHY 52 elbow requirements: listing the nominal size without the wall designation can leave an important part of the specification unclear.

ABS 3.2 Certification for a Marine Application

The documentation requirement gives this order another clear distinction.

The customer required an ABS 3.2 marine-grade certificate. This means the material and product documentation had to meet the certification requirement specified for the marine project.

For procurement teams working on marine or offshore projects, certification should be confirmed at the quotation stage rather than added after manufacturing. Material grade, product standard and certification requirements can all affect the documentation package that accompanies the fitting.

In this shipment, the certification requirement was directly linked to the customer’s marine application, making it an essential part of the order specification rather than an optional document.

Singapore Order at a Glance

The complete product specification supplied by Haihao Group is summarized below:

What to Include in an RFQ for a WPHY 52 Elbow

A detailed inquiry helps avoid specification gaps, especially for large-diameter butt-weld fittings. For a similar ASTM A860 WPHY 52 elbow, buyers should provide:

• Nominal pipe size
• Wall thickness or schedule
• Elbow angle
• Long- or short-radius configuration
• Seamless or welded construction
• Material grade
• Dimensional standard
• End preparation
• Required certification
• Project or marine classification requirements

Haihao Group can review these details before quotation and match the fitting configuration with the supplied project specification.

If you are sourcing ASTM A860 WPHY 52 elbow for a Singapore, marine or industrial piping project, send us the size, schedule, radius, material, standard and certification requirements. For a drawing-based requirement, the drawing can also be included with the inquiry so the fitting can be quoted against the actual design.