ASTM A192 Seamless Carbon Steel Pipe Specification

ASTM A192 Seamless Carbon Steel Pipe Specification

The ASTM A192 specification outlines the requirements for seamless carbon steel boiler tubes designed for high-pressure applications. Upon receiving your inquiry, we will develop a recommended pipe size and provide detailed information based on your specific needs. To ensure accuracy, please include a printout or sketch of the part you wish to produce. We take into account the grade, chemical composition, and surface condition, and tailor the production process to meet the end-use requirements effectively.

ASTM A192 seamless steel pipes are commonly used in high-pressure boilers with working pressures not exceeding 9.8 MPa and temperatures ranging from 450°C to 650°C. These pipes are ideal for use as heating surfaces, headers, economizers, superheaters, and reheaters. CSCsteel offers ASTM A192 steel pipes in both hot-rolled and cold-drawn conditions, ensuring flexibility and performance for various industrial applications.

We also offer additional processing services such as pipe ends (flat, beveled, and jointed), coatings (epoxy, paint, and 3LPE), and bending, all customized according to your specifications. This allows us to deliver a complete solution that meets your unique requirements.

Chemical Composition of ASTM A192 Seamless Steel Tubes

ASTM A192 Carbon Steel Chemical Composition C Mn P≤ S≤ Si≤
0.06–0.18 0.27–0.63 0.035 0.035 0.25

Mechanical Properties of ASTM A192 Seamless Steel Tubes

Yield Strength (MPa) Tensile Strength (MPa) Elongation (%) Brinell Hardness Number
(WT≥)0.200In(5.1mm)		 Rockwell Hardness Number
(WT)0.200In(5.1mm)
≥180 ≥325 ≥35 137HRB 77HRB

Outside Diameter and Tolerance for ASTM A192 Seamless Steel Tubes

Hot Rolled Outside Diameter, mm Tolerance, mm
OD ≤ 101.6 +0.4/-0.8
101.6 < OD ≤ 177.8 +0.4/-1.2
Cold Drawn Outside Diameter, mm Tolerance, mm
OD < 25.4 ±0.10
25.4 ≤ OD ≤ 38.1 ±0.15
38.1 < OD < 50.8 ±0.20
50.8 ≤ OD < 63.5 ±0.25
63.5 ≤ OD < 76.2 ±0.30
76.2 ≤ OD ≤ 101.6 ±0.38
101.6 < OD ≤ 177.8 +0.38/-0.64

Wall Thickness and Tolerance for ASTM A192 Seamless Steel Tubes

Hot Rolled Outside Diameter, mm Tolerance, %
OD ≤ 101.6, WT ≤ 2.4 +40/-0
OD ≤ 101.6, 2.4 < WT ≤ 3.8 +35/-0
OD ≤ 101.6, 3.8 < WT ≤ 4.6 +33/-0
OD ≤ 101.6, WT > 4.6 +28/-0
OD > 101.6, 2.4 < WT ≤ 3.8 +35/-0
OD > 101.6, 3.8 < WT ≤ 4.6 +33/-0
OD > 101.6, WT > 4.6 +28/-0
Cold Drawn Outside Diameter, mm Tolerance, %
OD ≤ 38.1 +20/-0
OD > 38.1 +22/-0

Dimensions of ASTM A192 Seamless Steel Tubes

OD (mm) Wall Thickness (mm)
  2 2.5 3 3.5 4 4.5 5 6 6.5–7 7.5–8 8.5–9 9.5–10 11 12
Φ25–Φ28 ● ● ● ● ● ●                
Φ32   ● ● ● ● ● ●              
Φ34–Φ36   ● ● ● ● ● ●              
Φ38   ● ● ● ● ● ●              
Φ40     ● ● ● ● ●              
Φ42     ● ● ● ● ●              
Φ45     ● ● ● ● ● ●            
Φ48–Φ60     ● ● ● ● ● ● ●          
Φ63.5       ● ● ● ● ● ● ●        
Φ68–Φ73         ● ● ● ● ● ●        
Φ76         ● ● ● ● ● ● ● ● ● ●
Φ80         ● ● ● ● ● ● ● ● ● ●
Φ83         ● ● ● ● ● ● ● ● ● ●
Φ89         ● ● ● ● ● ● ● ● ● ●
Φ95         ● ● ● ● ● ● ● ● ● ●
Φ102         ● ● ● ● ● ● ● ● ● ●
Φ108         ● ● ● ● ● ● ● ● ● ●
Φ114           ● ● ● ● ● ● ● ● ●
Φ121           ● ● ● ● ● ● ● ● ●
Φ127           ● ● ● ● ● ● ● ● ●
Φ133           ● ● ● ● ● ● ● ● ●
Φ140             ● ● ● ● ● ● ● ●
Φ146             ● ● ● ● ● ● ● ●
Φ152             ● ● ● ● ● ● ● ●
Φ159             ● ● ● ● ● ● ● ●
Φ168             ● ● ● ● ● ● ● ●

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