Surface Treatment:Hot Rolled/Cold Rolled
Tolerance:±5%
Delivery Time:30 days
Application Industry:Oil and Gas, Construction, Water Supply and Treatment, Automotive
Pipe Ends:Plain End (PE), Beveled End (BE), Threaded End (TE)
Product Description
ASME SA213 Boiler Tubes are seamless in production. These are suitable for large diameter sizes of pipes. Pipes are available in wall thicknesses from 1mm to 200mm and in lengths up to 12m. Alloy steel seamless pipes are also available in various sizes and pressure ratings.
Specification
|
Standard |
ASME SA213 |
|
Material |
T11 T12 T22 |
|
Application area |
Precision steel pipes are widely used in automobiles, motorcycles, electric vehicles, petrochemical, electric power, ships, aerospace, bearings, pneumatic components, seamless steel pipes for medium and low pressure boilers, etc. They can also be applied to steel sleeves, bearings, hydraulic, mechanical processing and other fields! |
|
Packing |
standard export packing ,suit for all kinds of transport |
|
Technical |
hot rolled |
|
Shipment |
20feet container load 20tons pipe whose length is under 5.8m |
|
Terms of payment |
T/T or L/C at sight |
|
Length |
as buyer's request |
|
MOQ |
30 TON |
|
Out Diameter |
10~325 |
A335 Seamless Steel Pipe

Chemical Composition:
|
Chemical Components (%) |
|||||||
|
Grade |
C |
Mn |
P |
S |
Si |
Cr |
Mo |
|
T11 |
0.05-0.15 |
0.30-0.60 |
≤0.025 |
≤0.035 |
0.50-1.00 |
1.00-1.50 |
0.44-0.65 |
|
T12 |
0.05-0.15 |
0.30-0.61 |
≤0.025 |
≤0.035 |
0.5 |
0.80-1.25 |
0.44-0.65 |
|
T22 |
0.05-0.15 |
0.30-0.60 |
≤0.025 |
≤0.035 |
0.5 |
1.90-2.60 |
0.87-1.13 |
Heat Treatment Requirements
|
Grade |
UNS Number |
Heat Treat Type |
Subcritical Annealing or Tempering Temperature, Min or range °F [°C] |
|
T11 |
K11597 |
full or isothermal anneal normalize and temper |
1200 [650] |
|
T12 |
K11562 |
full or isothermal anneal normalize and temper subcritical anneal |
1200 to 1350[650 to 730] |
|
T22 |
K21590 |
full or isothermal anneal normalize and temper |
1250 [675] |
Tensile Requirements And Hardness
|
Mechanical properties |
||||
|
Grade |
Tensile |
Yield |
Elongation |
Hardness |
|
Strength (Mpa) |
Strength (Mpa) |
(%) |
(HRB) |
|
|
T11 |
≥415 |
≥220 |
≥30 |
≤85 |
|
T12 |
≥415 |
≥220 |
≥30 |
≤85 |
|
T22 |
≥415 |
≥220 |
≥30 |
≤85 |
About Us
GNEE Steel Pipe was established in 2008 as a comprehensive trading company responsible for the production of all kinds of steel pipes as well as overseas sales. Our group is an ISO and SGS certified high-tech enterprise integrating the research, development, production and sales of stainless steel, carbon steel and alloy steel. GNEE Steel Pipe has an independent steel mill, which can meet customers' requirements for steel quality, quantity, precision and customization.

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