ASTM A192 Seamless Carbon Steel Pipe Specification

As an industry standard, ASTM A192 specifies the requirements for seamless carbon steel boiler tubes intended for high-pressure applications. Upon receiving your inquiry, weâ€™ll work with you to recommend suitable pipe sizes. To ensure precision, please include a printout or sketch of the component to be manufactured. Our team carefully considers factors such as grade, chemical composition, and surface condition, tailoring the production process to deliver optimal performance for your specific needs. ASTM A192 seamless steel pipes are commonly used as minimum wall thickness, seamless carbon steel boiler and superheater tubes under high pressure conditions. At CSCSteel, we supply these pipes in both hot-rolled and cold-drawn conditions. These products are typically employed in high-pressure boilers (with working pressures up to 9.8 MPa and operating temperatures ranging from 450Â°C to 650Â°C). Common applications include heating surface pipes, headers, economizers, superheaters, and reheaters. We also offer additional processing services based on customer requirements, including pipe end treatments (such as flat ends, beveled ends, or joint preparation), coatings (epoxy, paint, or 3LPE), and custom bending operations.

Chemical Composition of ASTM A192 Seamless Steel Tube:

| **ASTM A192 Carbon Steel Chemical Composition** | **C** | **Mn** | **Pâ‰¤** | **Sâ‰¤** | **Siâ‰¤** | |------------------------------------------------|-------|--------|--------|--------|---------| | | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 | 0.25 |

Mechanical Properties of ASTM A192 Seamless Steel Tube:

| **Yield Strength (MPa)** | **Tensile Strength (MPa)** | **Elongation (%)** | **Brinell Hardness Number (WTâ‰¥0.200In/5.1mm)** | **Rockwell Hardness Number (WTâ‰¥0.200In/5.1mm)** | |--------------------------|-----------------------------|--------------------|-----------------------------------------------|--------------------------------------------------| | â‰¥180 | â‰¥325 | â‰¥35 | 137 HRB | 77 HRB |

Outside Diameter Tolerances for ASTM A192 Seamless Steel Tube:

| **Condition** | **Outside Diameter (mm)** | **Tolerance (mm)** | |------------------|---------------------------|-----------------------------| | Hot Rolled | OD â‰¤ 101.6 | +0.4 / -0.8 | | | 101.6 < OD â‰¤ 177.8 | +0.4 / -1.2 | | Cold Drawn | OD < 25.4 | Â±0.10 | | | 25.4 â‰¤ OD â‰¤ 38.1 | Â±0.15 | | | 38.1 < OD < 50.8 | Â±0.20 | | | 50.8 â‰¤ OD < 63.5 | Â±0.25 | | | 63.5 â‰¤ OD < 76.2 | Â±0.30 | | | 76.2 â‰¤ OD â‰¤ 101.6 | Â±0.38 | | | 101.6 < OD â‰¤ 177.8 | +0.38 / -0.64 |

Wall Thickness Tolerances for ASTM A192 Seamless Steel Tube:

| **Condition** | **Outside Diameter (mm)** | **Tolerance (%)** | |------------------|---------------------------|-------------------------------| | Hot Rolled | OD â‰¤ 101.6, WT â‰¤ 2.4 | +40 / -0 | | | OD â‰¤ 101.6, 2.4 < WT â‰¤ 3.8| +35 / -0 | | | OD â‰¤ 101.6, 3.8 < WT â‰¤ 4.6| +33 / -0 | | | OD â‰¤ 101.6, WT > 4.6 | +28 / -0 | | | OD > 101.6, 2.4 < WT â‰¤ 3.8| +35 / -0 | | | OD > 101.6, 3.8 < WT â‰¤ 4.6| +33 / -0 | | | OD > 101.6, WT > 4.6 | +28 / -0 | | Cold Drawn | OD â‰¤ 38.1 | +20 / -0 | | | OD > 38.1 | +22 / -0 |

Dimensions of ASTM A192 Seamless Steel Tube:

| **OD (mm)** | **2 mm** | **2.5 mm** | **3 mm** | **3.5 mm** | **4 mm** | **4.5 mm** | **5 mm** | **6 mm** | **6.5-7 mm** | **7.5-8 mm** | **8.5-9 mm** | **9.5-10 mm** | **11 mm** | **12 mm** | |-------------|----------|------------|----------|------------|----------|------------|----------|----------|--------------|--------------|--------------|---------------|-----------|-----------| | Î¦25-Î¦28 | â— | â— | â— | â— | â— | â— | | | | | | | | | | Î¦32 | | â— | â— | â— | â— | â— | â— | | | | | | | | | Î¦34-Î¦36 | | â— | â— | â— | â— | â— | â— | | | | | | | | | Î¦38 | | â— | â— | â— | â— | â— | â— | | | | | | | | | Î¦40 | | | â— | â— | â— | â— | â— | | | | | | | | | Î¦42 | | | â— | â— | â— | â— | â— | | | | | | | | | Î¦45 | | | â— | â— | â— | â— | â— | â— | | | | | | | | Î¦48-Î¦60 | | | â— | â— | â— | â— | â— | â— | â— | | | | | | | Î¦63.5 | | | | â— | â— | â— | â— | â— | â— | â— | | | | | | Î¦68-Î¦73 | | | | | â— | â— | â— | â— | â— | â— | â— | | | | | Î¦76 | | | | | â— | â— | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦80 | | | | | â— | â— | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦83 | | | | | â— | â— | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦89 | | | | | â— | â— | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦95 | | | | | â— | â— | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦102 | | | | | â— | â— | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦108 | | | | | â— | â— | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦114 | | | | | | â— | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦121 | | | | | | â— | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦127 | | | | | | â— | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦133 | | | | | | â— | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦140 | | | | | | | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦146 | | | | | | | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦152 | | | | | | | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦159 | | | | | | | â— | â— | â— | â— | â— | â— | â— | â— | | Î¦168 | | | | | | | â— | â— | â— | â— | â— | â— | â— | â— | This detailed specification ensures that ASTM A192 seamless steel pipes meet the highest standards for quality and performance across various industrial applications. If you have any questions or need further assistance, feel free to reach out!

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