Seamless Steel ASTM / ASME A/SA 335 Gr. P22 Pipe for Power Plant Services

TIPTOP supplies a full range of seamless P22 pipes for power plant services, with OD up to 56'' (1422mm) and wall thickness up to 140mm. Based on customer's project requirements, TIPTOP will offer a satisfactory project solution.

1. Standards:
ASTM A335 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

2. Application:
For high pressure boiler and steam header pipes; petrochemical industry pipes; thermal power plant; nuclear power plant; USC boiler.

3. Ordering Information

Quantity (feet, meters, or number of lengths),

Name of material (seamless alloy steel pipe),

Grade (P22),

Manufacture (hot-finished or cold-drawn),

Size using one of the following:

NPS and schedule number;

Outside diameter and nominal wall thickness;

Outsider diameter and minimum wall thickness;

Inside diameter and nominal wall thickness;

Inside Diameter and minimum wall thickness.

Length (specific or random)

End finish (plain end or bevel end)

4. Chemical Requirements

5. Available Size Range

6. Tensile Requirements

Tensile Strength min.: 60ksi / 415MPa

Yield Strength min.: 30ks / 205MPa

7. Inspection & Test

Chemical composition, mechanical properties ( tensile strength, yield strength, elongation, flaring, flattening, bending, hardness, impact test), surface and dimension, NDE, hydrostatic test.

8. Manufacture

Hot Rolled or Cold Drawn

9. Manufacturing Process

Raw Material Inspection → Cold Centering → Heating → Piercing & Rolling → SIzing → Heat Treatment → Testing → Finishing → NDE → Visual & Dimension Inspection → Marking → Storing & Shipping

10. Supplementary Requirements

S1. Product Analysis

S2. Transverse Tension Tests

S3. Flattening Test

S4. Metal Structure and Etching Tests

S5. Photomicrographs

S6. Photomicrographs for Individual Pieces

Each pipe shall be ultrasonically examined full section over its entire length. If it is not possible to perform the examination prior to the pieces being cut to final length, the area on each end of each piece not accessible for examination (dead zone), if any, shall be examined by a procedure approved by customers that employs a nondestructive examination method.

Since 2006, NEW FORCE has been engaged in high end seamless steel pipe products such as thermal power pipes, nuclear power pipes, petrochemical & refinery pipes, mechanicl pipes, oil & gas pipes, and gas cylinder pipes. The company have complete QA system and various inspection methods. New Force has been growing to a leading large diameter seamless pipe supplier with production range 8 "-56" in OD and wall thickness from 9.53mm up to 140mm.

The production covers many industries such as Thermal power, Petrochemical & Refinery, Boiler, Mechanical, Oil & gas, Coal and shipbuilding. The company is the domestic unique technology private enterprise which has the most complete variety of seamless steel pipes.

We always believe that our success is directly related to our strict quality control and professional service.

NEW FORCE customers are widely distributed throughout the world, such as Southeast Asia, Middle East, North America, South America, Europe, Africa.

NEW FORCE - your trusted and long term partner for piping solutions, providing with innovative solutions, quality materials and timely delivery.