The size ranges of PESCO ASTM A333 low temperature alloy steel tubes: 1,2" - 47" ASTM A333 alloy acero tubo low temperature schedules: standard (STD), extra heavy (XH), 100, 120, 160, XXH.
Seamless alloy steel tube is fit for power station, Nuclear, boiler, heat exchanger, power generation, high-pressure vessel, petrochemicals, and other energy-related applications. It has great characteristics with the high-pressure applications, high corrosion resistance and can be used in a wide range of industrial sectors.
The Designation and the Heat Treatment Methods of alloy steel tubes in our factory: Quenched, Tempered alloy steel tubes, The cold finished (hard) BK (C), The cold finished (Soft)BKW (LC), Cold finished and Stress-relief BKS (SR), annealed GBK (A), Normalized NBK (N)
The types of ASTM A333 low-temperature alloy steel tubes in our ability: ASTM A333 Gr.3 ASTM A333 Gr.6 ASTM A333 Gr.7
ASTM A335 specifications of our pipes items: The piping size: OD: 14-1200mm WT: 1-47 mm. Forging steel tubing, hot rolling alloy steel piping, extrusion of alloy pipes. ASTM A 335 P11 forging pipes: shafts with flanks, slugs, donuts, cubes, other shapes ASTM A 335 alloy pipes P11 finished goods condition: hot forging,hot rolling + annealing,normalizing,tempering,quenching+tempering,any conditions based on the customer's requirement
ASTM A 335 p11 pipes surface conditions: scaled (hot working finish), ground, rough machining, fine machining, based on the customer's requirement
ASTM A 335 alloy p11 furnaces for metallurgical processing: electrode arc + lf,vd,vod,esr,vacuum consumable electrode.
ASTM A 335 p11 ultrasonic inspection: 100% ultrasonic inspection for any imperfections or based on the customer's requirement.
ASTM A 335 Alloy Steel Pipes p22 specification: The pipes are ordered to this specification shall be suitable for bending, flanging (Vanstoning), and similar forming operations, and for fusion welding. selection will depend upon design, service conditions, mechanical properties, and high-temperature characteristics. ASTM A 335 P22 equivalent Standards: EN 10216-2, ASTM A213, ASME SA213, GOST 550-75, NBR 5603 ASTM A 335 alloy P22 Equivalent Material: T22,10CrMo910, 10CrMo9-10, 1.7380, 11CrMo9-10, 1.7383
ASTM A 335 P22 tube manufacture process and heating The pipe may be either hot-finished or cold drawn with the finishing heat treatment noted below. ASTM A 335 alloy P22 pipe Heat Treatment A, N+T N+T, Q+T N+T
ASTM A 335 alloy steel P22 tube Chemical Composition: C, % Mn, % P,% S,% Si,% Cr,% Mo,% 0.05-0.15 0.30-0.60 0.025 max 0.025 max 0.50 max 1.90-2.60 0.87-1.13
ASTM A335/ASME A335 P22 Alloy Pipe Mechanical Properties: Tensile Strength, MPa Yield Strength, MPa Elongation, % 415 min 205 min 30 min
ASTM A 335 alloy P1 tube with IBR Certified (ASTM A335, A335M - 11 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service)
This specification covers a nominal wall and minimum wall seamless ferritic alloy-steel intended for high-temperature service. Pipe ordered to this specification shall be suitable for bending, flanges (vanishing), and similar forming operations, and for fusion welding. The steel pipes shall be reheated and furnished in the full-annealed, isothermal annealed, or normalized and tempered condition. If furnished in the normalized and tempered condition, the minimum tempering temperature for Grades P5, P5b, P9, P21, and P22 shall be 1250°F,675°C, the minimum tempering temperature for Grades P1, P2, P11, P12, and P 15 shall be 1200°F,650°C. ASTM SA335 alloy steel tubes for boilers, superheaters and heat exchangers
ASTM A 519 pipes SAE 1010 Mechanical Tubing Length: 5800mm, 6000mm. Package: Bundles or wooden cases. Surface Anti-rust: Both outside and internal tube surface flushing with anti-rust oil. Surface quality: very smooth and bright without oxide scale, pock, starch, crack and other defects.
Surface Cleanness: clean without iron scrap, dust, better for hydraulic system life. Mechanical Properties: Better extending rate and strength property after bending with no deformation, after flattening and flaring process with no crack.
Test: Tensile Strength Test, Flaring and flattening test, Hardness Test, Chemical Composition Test
The production process of ASTM A 519 alloy steel mechanical tubes SAE 1020 ASTM A 519 alloy steel mechanical tubes SAE 1020 Synopsis of Process Routing: Quality Carbon steel — Cold Drawn — Heat Treatment Without Oxidization (NBK Status) — Nondestructive Testing— Flushing The Internal Hole With Special Equipment Under The High Pressure —Dealing With Antirust Oil On Surface — Plastic Capping On Both Ends.
ASTM A 519 alloy pipes mechanical tubes SAE 1020 The raw material we choosing: high quality Physical and chemical inspection will be made to make sure each batch is in qualified range. After piecing, each piece of tube is checked to be in permitted size deviation, this can guarantee higher thickness tolerance and concentricity.
ASTM A 519 alloy pipes mechanical tubes SAE 1020 Production process quality control: We use the domestic first-class drawing machine, the production process is controlled with high hardness alloy internal and external matrix, so the product dimensions tolerance and ovality are strictly controlled in high level. Through the first, middle and last process inspection ensure product quality.
ASTM A 519 mechanical tubes SAE 1020 Inner and Outer Surface Cleaning: We adopt automatic inner surface cleaning machine, rotating brush cleaning and high-pressure oil flushing to clean the inner and outer surface. The new steel tube production craftsmanship can effectively remove all particulate attached to the inner and outer surface of tubes and thus achieving the utmost surface cleanness and polishes.
ASTM A 519 mechanical tubes SAE 1020 Finished tube anti-rust oil plating: We adopt a high-pressure spray plating method, the antirust oil is plated by high-pressure jet after ten passes of filtering and one pass of precipitation to safeguard the tubes’ outer and inner surface cleanness and polishes.
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