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Seamless steel pipe/tubes

Special alloys
Special Alloy / Specialist Steel
Based on the rich experience in technology and management over 30 years, our mill integrating R & D, trade and manufacture, has advanced manufacturing equipments, rigid management system and normative quality control process. They are extensively applied in the fields of oil service, petrochemical industry, national defense, nuclear industry, aviation and power generation, etc.
Check to see more information about Special Alloy, Specialist Steel, High-Performance Alloys:


MONEL ®alloys

Inconel®alloys

INCOLOY®alloys

Hastelloy®alloys

Other alloys

Available forms are seamless pipe, welded pipe, seamless tube, welded tube, bar, wire, sheet, plate, forgings, pipe fittings and flanges..
Products Standard
Sheet/Plate content ASTM B443, AMS 5599, AMS 5869, ISO 6208, VdTüV 499, BS 3072NA21, EN 10095, DIN 17750
Round Bar/Wire content ASTM B446, AMS 5666, AMS 5837, ISO 9723, ISO 9724, ISO 9725, VdTüV 499, BS3076NA21, EN 10095, DIN 17752, DIN 17753, DIN 17754
Pipe & Tube content ASTM B444, ASTM B751, ASTM B829, ASTM B775, ASTM B705, ASTM B704, AMS 5581, ISO 6207, VdTüV 499, BS 3074NA21, DIN 17751
Fittings content ASTM B366
Forgings content ASTM B564, AMS 5666
Weld Wire content AWS A5.14 ERNiCrMo-3, AWS A5.11 ENiCrMo-3, DIN 1736 SG NiCr20Mo9Nb

We can provide sectional materials and castings such as bar, rod, tube, pipe, plate, sheet, strip, belt and wire. According to the requirements of the clients, we furtherly customize special alloys, as well as guide samples, high precision spare parts and pressure vessel made of special alloy . They are extensively applied in the fields of oil service, petrochemical industry, national defense, nuclear industry, aviation and power generation, etc.
Other grades available upon request:
304/L, 310, 321, 347, 410, Alloy 59, A-286, B-2, B-3, C-22, X-750, Zirconium
nstrumentation Sizes: I1/8” - 2” [any size on request]
Wall Thicknesses: 0.028 - 0.120
Other sizes available upon request: Up to 48” OD or 1” WT
Delivery requirment:
Marking: SunnySteel, material grade, standard, specification, heat no.
Surface Treatment: Bright annealed, polished outside and inside surface.
Package: Each pipe in a PVC bag and caps on both ends then bundled in wood case, (option: Bundle with knitted plastic bag/stee crate. )
Mill test certificate: according to EN 10204 3.2
Inspection: Third party inspection, or by clints

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Sum Xu