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Leading Big O.D. Steel seamless pipes supplier in Asia


Big OD seamless pipes are extensively applied for the nuclear device, gas, petrochemical, ship building and boiler industries. Big OD seamless pipes dominates 65% of market share in Chinese boiler industry.

Main Customers for international market: Alstom, Bechtel, Siemens Austria, Petrobras, Doosan Heavy, Hyundai., Essar, BHEL..

Sunny Steel, as a professional steel company, is devoted to provide customers with the most competitive product of big OD seamless pipes so as to meet customers' needs.

Standard / Specification
Alloy Seamless Pipes
We are specialized in offering precision engineered alloy steels, which are used in various engineering applications and can be availed in various grades like. 
ASTM / ASME A / SA335 P5, P9, P11, P12, P22, P91, P92
EN10216-2 13CrMo4-5, 14MoV6-3, 10CrMo9-10, X10CrMoVNb9-1, 15NiCuMoNb5-6-4 (WB36) 
ASTM A519 SAE 4130 / 4140 

Carbon Seamless Pipes
Covers seamless carbon steel nominal wall pipe for high-temperature service, suitable for bending flanging and similar forming operations.
ASTM / ASME A / SA 106 GR.B/C, A/SA 333 GR.6 EN10216-2 P265GH, P355NH, API 5L GR.B / X42/ X52 / X60 / X65 / X70 / X80 PSL1 / PSL2 E355, DIN 2391 ST52 / ST52.3 / ST52.4. 

Stainless seamless Pipes
Stainless Steel Seamless Pipes is a hollow steel bar, a large number of pipes used for conveying fluids, such as oil, gas, water, gas, steam,heat exchanger,mechanical machine. 
TP304/L, 316/L, 321, 31803...

Standard Size
OD: 219.1-1067 mm (8 INCH to 42 INCH)
WT: 12.7-150 mm
Production Capacity: 300,000 tons
Application
Power generation, Boiler, Electricity, Mechanical, Shipbuilding,
Gas cylinder, Chemical, Offshore and oil service…etc. 

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