Decorative Welded Stainless Steel Pipe

Specifications:

• Grade: ASTM A554 Type 304

• Outer Diameter Range: 10 mm – 168 mm

• Wall Thickness: 0.5 mm – 6.0 mm

• Length: 1 m – 12 m (custom cut available)

• Manufacturing Standard: ASTM A554, JIS G3446

• Manufacturing Process: Cold-rolled strip → Forming → TIG welding → Bead removal → Polishing → Straightening → Inspection

• Surface Finish: Mirror polish (600#), hairline, satin, or brushed

• Weld Method: TIG welded with argon shielding gas

• End Finish: Plain, beveled, or threaded ends

• Applications: Interior/exterior decorative columns, furniture frames, handrails, exhibition stands, architectural accents, curtain wall supports

Mechanical Properties:

Chemical Composition (%):

Industrial Welded Stainless Steel Pipe

Specifications:

• Grade: ASTM A312 / A778 Type 316L

• Outer Diameter Range: 19.05 mm – 610 mm

• Wall Thickness: 1.0 mm – 20 mm

• Length: Up to 12 m

• Manufacturing Standard: ASTM A312, ASME SA312, DIN EN 10217-7

• Manufacturing Process: Hot-rolled plate → Forming → GTAW or ERW welding → Heat treatment (solution annealing) → Pickling → Hydrostatic testing

• Surface Finish: Pickled, bright annealed, or polished

• Weld Method: GTAW (Gas Tungsten Arc Welding) for corrosion resistance

• End Finish: Beveled for butt welding or plain ends

• Applications: Chemical process piping, marine piping systems, food & beverage production lines, desalination plants, pulp & paper mills

Mechanical Properties:

Chemical Composition (%):

Heavy-Duty Large Diameter Welded Stainless Steel Pipe

Specifications:

• Grade: ASTM A358 TP 304H

• Outer Diameter Range: 168 mm – 2000 mm

• Wall Thickness: 3 mm – 40 mm

• Length: 3 m – 12 m

• Manufacturing Standard: ASTM A358, ASME SA358

• Manufacturing Process: Hot-rolled plate → Press bending or roll forming → Submerged Arc Welding (SAW) → Heat treatment → X-ray inspection of welds → Hydrostatic test

• Surface Finish: Pickled or sandblasted

• Weld Method: Double-sided submerged arc welding for strength

• End Finish: Beveled ends for field welding

• Applications: High-temperature and high-pressure service in oil refineries, power plants, chemical plants, and exhaust systems

Mechanical Properties:

Chemical Composition (%):
(Same as 304 stainless steel, but with higher carbon for improved high-temperature creep strength.)

Production Process

• Electric resistance-welded pipes & tubes

• Hot electric resistance-welded pipes & tubes

• Arc-welded pipes & tubes (SAWH pipe (by Spiral process))

Product Real Shot

Packaging and Shipping

FAQ

Q1: What product information must I provide before making a purchase?
A: Please provide the material, size, 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.