General Purpose Seamless Pipe

Specifications:

• Grade: ASTM A312 TP 304 / 304L

• Outer Diameter Range: 6 mm – 610 mm

• Wall Thickness: 1 mm – 50 mm

• Length: 1 m – 12 m

• Standards: ASTM A312 / ASME SA312, JIS G3459

• Manufacturing Process: Hot piercing → Hot rolling → Cold drawing → Solution annealing → Pickling → Hydrostatic testing

• Surface Finish: Pickled, bright annealed

• End Finish: Plain, beveled

• Applications: Pressure piping, heat exchangers, general fluid transport, mechanical tubing

Mechanical Properties:

Chemical Composition (%):

High-Temperature Seamless Pipe

Specifications:

• Grade: ASTM A312 TP 310S

• Outer Diameter: 10 mm – 325 mm

• Wall Thickness: 1.5 mm – 25 mm

• Standards: ASTM A312, DIN 17456

• Manufacturing Process: Hot extrusion → Heat treatment (solution annealing) → Pickling → UT/NDT testing

• Applications: Furnace tubes, heat treatment plants, boiler tubing, high-temperature fluid piping

Mechanical Properties:

Chemical Composition (%):

Corrosion-Resistant Seamless Pipe

Specifications:

• Grade: ASTM A312 TP 904L

• Outer Diameter: 12 mm – 325 mm

• Wall Thickness: 1.5 mm – 20 mm

• Standards: ASTM A312 / ASME SA312

• Manufacturing Process: Hot rolling → Solution annealing → Pickling → 100% Eddy Current Testing

• Applications: Sulfuric acid service, chemical processing plants, offshore oil platforms, desalination equipment

Mechanical Properties:

Chemical Composition (%):

Production Process

Seamless pipes & tubes (Mannesmann process)

Seamless pipe pipes & tubes (hot extrusion ･ hot hollow forged)

Product Real Shot

Packaging and Shipping

FAQ

Q1: What product information must I provide before making a purchase?
A: Please provide the grade, width, thickness, surface treatment requirements, and the quantities you need.

Q2: What about product pricing information?
A: Prices may vary due to fluctuations in raw material costs.

Q3: Is it possible to send samples?
A: Yes, we offer free samples with express shipping worldwide.

Q4: Do you offer a service for customized products?
A: Yes, we can supply according to your specific requirements.

Q5: Can I visit you in person?
A: Customers from all over the world are welcome to meet with us.

Q6: Can you assist me in importing steel products for the first time?
A: Yes, we can provide support through our experienced shipping agents.