TP304 Stainless steel pipe tube

TP304H is a stainless heat-resistant steel that meets the ASTM standards of the United States. It belongs to the category of austenitic stainless steel and has excellent high-temperature endurance strength, corrosion resistance and cold deformation ability. The use temperature can reach 650℃ and the oxidation resistance temperature can reach 850℃. This material is widely used in the manufacture of boiler superheater tubes, reheater tubes and heat exchangers in the fields of power, petrochemicals, etc. Its welding performance is stable.

Corrosion resistance
TP304 is an austenitic stainless steel containing 18%-20% chromium and 8%-11% nickel. It exhibits excellent corrosion resistance in oxidizing environments, especially for common acid and alkali media such as dilute sulfuric acid and dilute nitric acid. Its intergranular corrosion resistance is comparable to that of Super304H, but σ phase and carbide precipitation may occur after high-temperature aging, resulting in a decrease in thermal strength. ‌

Mechanical properties
‌High temperature performance‌: Long-term use temperature can reach 650℃, and oxidation resistance temperature can reach 850℃. ‌
‌Processing performance‌: Excellent cold deformation ability, supporting bending, cutting and sizing processing. ‌
‌Mechanical properties‌: Tensile strength, yield strength and elongation all meet industry standards, and the elongation can reach more than 35% after heat treatment. ‌

Application scenarios
‌Chemical/petroleum‌: Used in heat exchangers, pipelines and other equipment, corrosion-resistant and pressure-resistant. ‌
‌Food processing‌: The surface is smooth and easy to clean, suitable for food pipelines such as dairy products and meat processing. ‌
‌Medical equipment‌: manufacturing surgical instruments, implant housings and piping systems with good biocompatibility. ‌
‌Architectural decoration‌: used for high-end building handrails, door and window frames, etc., with both corrosion resistance and aesthetics. ‌

Production process
The organization properties are optimized through hot rolling perforation, cold rolling forming and solution heat treatment, and the specifications cover pipes with an outer diameter of 6-377mm and a wall thickness of 1.0-20mm.

 

 

Product   Name Stainless Steel Pipe
Standard ASTM,JIS,DIN,GB,AISI,DIN,EN
Material 201, 202, 301, 301L, 304, 304L, 316, 316L, 321, 310S, 904L, 410, 420J2, 430, 2205, 2507, 321H, 347, 347H, 403, 405, 409, 420, 430, 631, 904L, 305, 301L, 317, 317L, 309, 309S 310
Technique Cold drawn, Hot rolled, Cold   rolled and Others.
Side shape Round, square, rectangular,etc.
Outer   Diameter 20mm-1200mm   or Customizable
Thickness 6-3000mm or Customizable
Length 1-12m or Customizable
Surface   Treatment BA/2B/NO.1/NO.3/NO.4/8K/HL/2D/1D
Type Seamless, Welded.
Origin China
HS Code 7304319000
Delivery   Time {Delivery Time}
After-sales   Service 24 hours online.
Production   Capacity {Production Capacity}
Price Terms EXW, FOB, CIF, CRF, CNF or   Others.
Loading   Port {Port}
Section   Shape Round, Square, Rectangular, etc.
Payment   Term TT, LC,Cash, Paypal, DP,   DA,Western Union or Others.
Application 1. Tableware, cabinets, indoor   pipelines, water heaters, boilers, bathtubs
2.   Automotive parts
3.Medicale   quipment, building materials, chemicals, food industry, agriculture, ship   components, etc.
Packaging Bundle, PVC Bag, Nylon Belt,   Cable Tie, Standard export seaworthy package or as Request.
Processing   Service Bending, Welding, Decoiling,   Punching, Cutting and Others.
Tolerance ±1%
MOQ {MOQ}

 

Composition of Stainless Steel

Steel is an alloy of iron and carbon. Stainless steels are steels containing at least 10.5% chromium, less than 1.2% carbon and other alloying elements. Stainless steel’s corrosion resistance and

mechanical properties can be further enhanced by adding other elements, such as nickel, molybdenum, titanium, niobium, manganese, etc.

Grade C Si Mn P S Cr Ni Mo N Cu
201 ≤0.15 ≤0.75 5.5~7.5 ≤0.060 ≤0.03 16.00~18.00 3.5~5.5 0.08
202 ≤0.15 ≤1.00 7.5~10.00 ≤0.060 ≤0.03 17.00~19.00 4.0~6.0 ≤0.25
301 ≤0.15 ≤1.00 ≤2.00 ≤0.045 ≤0.03 16.00~18.00 6.00~8.00
302 ≤0.15 ≤1.00 ≤2.00 ≤0.035 ≤0.03 17.00~19.00 8.00~10.00
304 ≤0.07 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.00~20.00 8.00~10.50
304L ≤0.030 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.00~20.00 9.00~13.00
310S ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 24.00~26.00 19.00~22.00
316 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 16.00~18.00 10.00~14.00 2.00~3.00
316L ≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.03 16.00~18.00 12.00~15.00 2.00~3.00
321 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 17.00~19.00 9.00~13.00
430 ≤0.12 ≤0.75 ≤1.00 ≤0.040 ≤0.03 16.00~18.00
2205 ≤0.03 ≤1.00 ≤2.00 ≤0.030 ≤0.015 22.00~23.00 4.5~6.5 2.5~3.5
2507 ≤0.03 ≤0.08 ≤1.20 ≤0.035 ≤0.015 24.00~26.00 6.00~8.00 3.0~5.0
904L ≤0.02 ≤1.00 ≤2.00 ≤0.045 ≤0.035 19.00~23.00 23.00~28.00 4.0~5.0 1.0~2.0
INCONEL028 ≤0.03 ≤1.00 ≤2.50 ≤0.030 ≤0.030 ≤28.0 ≤34.0 ≤4.0 ≤1.4
MONEL400 ≤0.30 ≤0.5 ≤2.00 ≤0.024 ≥63.0 ≤34.0
INCONEL800 ≤0.10 ≤1.00 ≤1.50 ≤0.015 ≤23.0 ≤35 4.0~5.0 ≤0.75

 

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