Seamless Steel Pipe

Seamless steel pipe is an economic section steel, which plays an important role in the national economy.

Application: Seamless steel pipe is widely used in petroleum, chemical industry, boiler, power station, ship, machinery manufacturing, automobile, aviation, aerospace, energy, geology, construction and military industry.


  1. Shape: Round, Special-shaped
  2. Material: Carbon Steel, Alloy Steel, Stainless Steel
  3. Mode of Production: Hot Rolled, Hot Drawn, Cold Rolled, Cold Drawn
  4. Usage: Boiler pipe, Oil Well pipe, Pipeline pipe, Structure pipe, Fertilizer pipe…

The Details:

Seamless Steel Pipe for Boiler and High Pressure Vessel

1. seamless steel pipe for BS3059 boiler and superheater: BS 360, 440, 243, 620-460, 622-490

2. seamless steel pipe for boiler – seamless steel pipe for low and medium pressure boiler: GB3087, 10#, 20#

3. seamless steel pipe for boiler – seamless steel pipe for high pressure boiler: GB5310, 20G, 20MnG, 15MoG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG

4. seamless cold drawn low carbon steel pipe for heat exchanger and condenser: ASTM A179, ASME SA179

5. seamless medium carbon steel pipe for boiler and superheater: ASTM A210, ASME SA210, A-1, C

6. seamless ferritic and austenitic alloy steel pipes for boiler, superheater and heat exchanger: ASTM A213, ASME SA213, T11, T12, T22

7. seamless carbon steel boiler pipe for high pressure: ASTM A192, ASME SA192

8. seamless boiler pipe made of heat-resistant steel: DIN17175, ST35.8, ST45.8, 15Mo3, 13CrMo44, 10CrMo910

9. seamless steel pipe for boiler and heat exchanger: JIS G3461, 3462; STB340, STB410; STBA22, STBA23

10. seamless steel pipe for pressure equipment: EN10216-1, 10216-2; P195, P235, P265; P195GH, P235GH, P265GH, 13CrMo4-5, 10CrMo9-10

Seamless Pipe of Gas Cylinder

GB18248, JIS G3429, 37Mn, 34Mn2V, 30CrMo, 35CrMo; STH11, STH12, STH21, STH22

Seamless Pipe for Ships

seamless pipe for marine boiler and superheater and 1,2,3 pressure pipe system: 320, 360, 410; 00Cr17Ni14Mo2, 0Cr18Ni9Ti

Seamless Pipe of Automobile and Mechanical Structure

1. for automobile gears and gear shafts: GB/T5216, JIS G4052, ASTM A304, EN 10084, 20CrMnTiH, 20CrMoH, SCM420H, SCM822H, SAE8620H, 16-20MoCr5

2. for automobile mechanical structure: GB/T8162, ASTM A519, EN 10297-1, JIS G3445, 10, 20, 35, 45; 16Mn; 1020, 1045, 1541; E275, E315, 34CrMo4, 42CrMo4; STKM13A, STKM13B

3. seamless pipe of hydraulic prop: 45, 27SiMn

Stainless Steel Seamless Pipe: used for mechanical mechanism, fluid pipe, boiler superheater, heat exchanger, condenser, catalytic pipe, etc. ASTM A312, 304, 304L, 316L, 321; JIS G3459, SUS304, SUS304L, SUS316L, SUS321

How is it Measured? Outer Diameter (A) X Schedule or Wall Thickness (B) X Length

PS: Advantages Of Seamless Tubes & Pipes

A. Heavy and thick wall thickness
B. No weld seam. Generally be considered as better properties and corrosion resistance
C. Better ovality, or roundness