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Elevate your mechanical systems with our premium Alloy Steel Tube Fittings, thoughtfully custom-crafted to boost performance and longevity under demanding conditions. Precision-engineered and reinforced for toughness, these fittings deliver exceptional durability and corrosion resistance. Count on our dedication to quality, competitive pricing, and fast delivery to maximize the effectiveness of your projects.
Standard :ASTM A234 / ASME SA234
Dimensions :ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size :1/8” NB TO 48” NB (Seamless & 100% X-Ray Welded, Fabricated).
Thickness :Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Grades :WPBW, WPHY 42, WPHY 46, WPHY 52, WPHY 60, WPHY 65 & WPHY 70.
Type :Seamless / Welded / Fabricated
Bending Radius :R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
| Grade | C | Mn | P | S | Si | Cr | Mo | Others |
| WP1 | 0.28 | 0.30-0.90 | 0.045 | 0.045 | 0.10-0.50 | – | 0.44-0.65 | – |
| WP12 CL1, WP12 CL2 | 0.05-0.20 | 0.30-0.80 | 0.045 | 0.045 | 0.60 | 0.80-1.25 | 0.44-0.65 | – |
| WP11 CL1 | 0.05-0.15 | 0.30-0.60 | 0.030 | 0.030 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 | – |
| WP11 CL2, WP11 CL3 | 0.05-0.20 | 0.30-0.80 | 0.040 | 0.040 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 | – |
| WP22 CL1, WP22 CL3 | 0.05-0.15 | 0.30-0.60 | 0.040 | 0.040 | 0.50 | 1.90-2.60 | 0.87-1.13 | – |
| WP24 | 0.05-0.10 | 0.30-0.70 | 0.020 | 0.010 | 0.15-0.45 | 2.20-2.60 | 0.90-1.10 | *A |
| WP5 CL1, WP5 CL3 | 0.15 | 0.30-0.60 | 0.040 | 0.030 | 0.50 | 4.0-6.0 | 0.44-0.65 | – |
| WP9 CL1, WP9 CL3 | 0.15 | 0.30-0.60 | 0.030 | 0.030 | 1.00 | 8.0-10.0 | 0.90-1.10 | – |
| WPR | 0.20 | 0.40-1.06 | 0.045 | 0.050 | – | – | – | *B |
| WP91 | 0.08-0.12 | 0.30-0.60 | 0.020 | 0.010 | 0.20-0.50 | 0.85-1.05 | 0.85-1.05 | *C |
| WP911 | 0.09-0.13 | 0.30-0.60 | 0.020 | 0.010 | 0.10-0.50 | 0.90-1.10 | 0.90-1.10 | *D |
| WP92 | 0.07-0.13 | 0.30-0.60 | 0.020 | 0.010 | 0.50 | 0.30-0.60 | 0.30-0.60 | *E |
| Grade | Tensile Strength, min. ksi[MPa] | Yield Strength, min. ksi[MPa] | Elongation, min. % | |
| Longitudinal | Transverse | |||
| WP1 | 55-80[380-550] | 30[205] | 20 | 13 |
| WP12 CL1 | 60[415] | 32[220] | 22 | 14 |
| WP12 CL2 | 70[485] | 40[275] | 22 | 14 |
| WP11 CL1 | 60[415] | 30[205] | 22 | 14 |
| WP11 CL2 | 70[485] | 40[275] | 22 | 14 |
| WP11 CL3 | 75[520] | 45[310] | 22 | 14 |
| WP22 CL1 | 60[415] | 30[205] | 22 | 14 |
| WP22 CL3 | 75[520] | 45[310] | 22 | 14 |
| WP24 | 85[585] | 60[415] | 20 | – |
| WP5 CL1 | 60[415] | 30[205] | 22 | 14 |
| WP5 CL3 | 75[520] | 45[310] | 22 | 14 |
| WP9 CL1 | 60[415] | 30[205] | 22 | 14 |
| WP9 CL3 | 75[520] | 45[310] | 22 | 14 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering innovative solutions for all your piping requirements. With advanced production facilities strategically positioned across the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept in stock and ready to go.
Reach out to us for a fast quote tailored to your requirement.
We supply these Alloy Steel Tube Fittings in accordance with DIN, ISO, JIS or ANSI Standard.
Alloy Steel Tube Fittings find uses that are as varied as the sectors they support, led mainly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Yes,Alloy steel tube fittings can be recycled. They are able to be melted down and reprocessed into new alloy steel products, cutting the demand for raw materials and reducing waste. Recycling supports sustainability and environmental preservation across a range of industries.
Yes,Alloy steel tube fittings are suitable for both welding and machining. Joining methods like arc welding, TIG welding, and MIG welding are frequently applied to connect alloy steel fittings. Additionally, machining operations including drilling, milling, and turning can be used to form and tailor alloy steel tube fittings to meet particular specifications.
Alloy steel tube fittings may be vulnerable to corrosion, based on the particular alloy makeup and surrounding conditions. Nevertheless, numerous alloy steel formulations contain elements that improve corrosion resistance, rendering them appropriate for use in corrosive settings when material selection and surface treatments are done properly.
Yes,Alloy steel tube fittings are suitable for underground applications when the proper corrosion protection measures are in place. Coatings like epoxy, zinc, or corrosion-resistant alloys can be applied to the fittings to boost their ability to withstand corrosion caused by soil moisture and other underground environmental factors, guaranteeing long-term performance.
Mail: sales@koasteel.nz