ASTM A192 Seamless Carbon Steel Boiler Tubes for High Pressure Boilers

ASTM A192 Seamless Carbon Steel Boiler Tubes for High Pressure Boilers

Material: Carbon Steel

Production: Tubes are manufactured by seamless process and both hot finished and cold finished are applicable.

Size range: O.D.: 12.7-177.8mm W.T.: 1-25.4mm L: according to customer requirement 

Applications: 

for Boilers,Superheaters,

Heat-Exchangers,

High-pressure Boilers,

Steam Boilers

Cold Condensers and High-Pressure Services,

High-Temperature Services for Boiler Constructions

Heat treatment:
Hot finished tubes need not be heat treated.

Cold Finished tubes are heat treated after the final cold finishing pass at a temperature of 1200℉(650℃) or higher

Steel Grade and Chemical Compositions:                    

Mechanical Properties
Tensil Streghth:   min ksi[Mpa]  47[325]     
Yield Point:          min ksi[Mpa] 26[180]     
Elongation:          ≥35% 

Hardness

Tests and Inspection:
Mechanical Testing:

Flattening Test

Flaring Test

Flange Test

Hardness Test

Hydrostatic Test

QUALITY CONTROL

1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking.