Steel
🟦 Product Overview
Boiler & Heat Exchanger Tubes are seamless carbon steel tubes designed for high‑temperature, high‑pressure applications in boilers, condensers, heat exchangers, and industrial thermal systems.
This combined page includes the three most widely used boiler tube standards:
ASTM A179 — Low‑carbon, cold‑drawn heat exchanger tubeASTM A192 — High‑pressure boiler tubeASTM A210 — Medium‑pressure boiler tube (Grades A1 / C)
These tubes are engineered for:
Excellent heat transfer
High pressure resistance
Uniform wall thickness
Superior performance in thermal cycling environments
🟦 Standards
ASTM A179 — Cold‑Drawn Heat Exchanger Tube
ASTM A192 — High‑Pressure Boiler Tube
ASTM A210 — Medium‑Pressure Boiler Tube (A1 / C)
ASME SA179 / SA192 / SA210
GB/T 5310 (optional equivalent)
🟦 Grades
A179 — Low‑carbon, cold‑drawnA192 — High‑pressure boiler tubeA210 Grade A1 / C — Medium‑pressure boiler tube
🟦 Product Specifications & Available Sizes
Outer Diameter (OD)
A179: 6–89 mm
A192: 6–89 mm
A210: 19–127 mm
Wall Thickness (WT)
A179: 0.5–12 mm
A192: 0.5–12 mm
A210: 2–20 mm
Length
6 m / 12 m / custom cut‑to‑length
Manufacturing Methods
Cold Drawn (A179)
Hot Rolled / Cold Drawn (A192 / A210)
Normalizing / Annealing
End Types Diameter * wall thickness (mm) 14×3 60×6 168×9.5 325×20 14×3.5 60×7 168×10 325×22 14×4 60×8 168×11 325×23 16×3 60×9 168×12 325×25 18×2 60×10 168×14 325×28 18×3 76×4.5 168×15 325×30 18×4 76×5 168×16 325×32 18×5 76×6 168×18 325×36 19×2 76×7 168×20 325×40 21×4 76×8 168×22 325×45 22×2.5 76×9 168×25 356×9.5 22×3 76×10 168×28 356×12 22×4 89×4 180×10 356×15 22×5 89×4.5 194×10 356×19 25×2.5 89×5 194×12 356×28 25×3 89×5.5 194×14 356×36 25×4 89×6 194×16 377×9 25×5 89×7 194×18 377×10 25×5.5 89×7.5 194×20 377×12 27×3.5 89×8 194×26 377×14 27×4 89×9 219×6.5 377×15 27×5 89×10 219×7 377×16 27×5.5 89×11 219×8 377×18 28×5.5 89×12 219×9 377×20 28×3 108×4.5 219×10 377×22 28×3.5 108×5 219×12 377×25 28×4 108×6 219×13 377×32 30×2.5 108×7 219×14 377×36 32×2.5 108×8 219×16 377×40 32×3 108×9 219×18 377×45 32×3.5 108×10 219×20 377×50 32×4 108×12 219×22 406×9.5 32×4.5 108×14 219×24 406×11 32×5 108×15 219×25 406×13 34×3 108×16 219×26 406×17 34×4 108×20 219×28 406×22
🟦 Chemical Composition
ASTM A179 Element Content (%) C ≤ 0.06 Mn 0.27–0.63 P ≤ 0.035 S ≤ 0.035
ASTM A192 Element Content (%) C 0.06–0.18 Mn 0.27–0.63 P ≤ 0.035 S ≤ 0.035 Si ≤ 0.25
ASTM A210 (Grade A1 / C) Element A1 (%) C (%) C ≤ 0.27 ≤ 0.35 Mn 0.93 0.29–1.06 P ≤ 0.035 ≤ 0.035 S ≤ 0.035 ≤ 0.035
🟦 Mechanical Properties
ASTM A179 Property Requirement Tensile Strength ≥ 325 MPa Yield Strength ≥ 180 MPa Elongation ≥ 30%
ASTM A192 Property Requirement Tensile Strength ≥ 325 MPa Yield Strength ≥ 180 MPa Elongation ≥ 30% Hardness ≤ 72 HRB
ASTM A210 Property Grade A1 Grade C Tensile Strength ≥ 415 MPa ≥ 485 MPa Yield Strength ≥ 255 MPa ≥ 275 MPa Elongation ≥ 30% ≥ 30%
🟦 Physical Properties
Property Value Density 7.85 g/cm³ Thermal Conductivity 45–60 W/m·K Melting Point ~1450°C Magnetic Yes
🟦 Manufacturing Processes
Cold Drawing (A179)
Hot Rolling (A192 / A210)
Normalizing
Annealing
Hydrostatic Testing
Eddy Current Testing
Ultrasonic Testing
🟦 Primary Industry Usage
Boilers (high & medium pressure)
Heat exchangers
Condensers
Superheaters
Petrochemical heaters
Power plant piping
Industrial thermal systems
🟦 Why Use Boiler & Heat Exchanger Tubes
Designed for high temperature + high pressure
Excellent heat transfer performance
Uniform wall thickness for stable operation
Suitable for continuous thermal cycling
Global standard for industrial boiler systems
🟦 Why Choose Jaron Steel
Full range of A179 / A192 / A210
Cold‑drawn & hot‑rolled production capability
MTC 3.1 + third‑party inspection
Export‑grade packaging & loading supervision
Competitive pricing for boiler & heat exchanger projects
International Steel Pipe Standards
China America Germany Japan France Britain International GB3077 AlSI DIN JIS NE BS ISO 20Mn2 13201221 20Mn5 SMn21 20M5 150M19 – 30Mn2 1330 30Mn5 SMn24 32M5 150M28 – 35Mn2 1335 36Mn5 SMnl 35M5 150M36 – 40Mn2 13401341 – SMn2 40M5 – – 45Mn2 1345 46Mn7 SMn3 45M5 – – 50Mn2 1052 50Mn7 – 55M5 – – 20MnV – 20MnV6 – – – 30Mn2MoW – — – – – 27SiMn – 27MnSi5 – – – 35SiMn – 37MnSi5 – 38MS5 – – 42SiMn – 38MnSi446MnSi4 – 38MS5 – – 20SiMn2MoV – – – – – – 25SiMn2MoV – – – – – – 37SiMn2MoV – – – – – – 40B 14B35 35B2 – – – – 45B 50B46H 45B2 – – – – 50B 14B50 – – – – – 4OM∏B 15B41 – – – – – 45MnB 15B4850B44 – – – – – 20Mn2B – – – – – – 20MnMoB 80B20 – – – – – 15MnVB – – – – – – – – – – – – – – – – – – – – 20MnVB – – – – – – 40MnVB – – – – – – 20MnTiB – – – – – – 25MnTiBRE – – – – – – 2OSiMnVB – – – – – – 15Cr 50155115 15Cr3 SCr21 12C3 523A14523M15 – 15CrA – – – – – – 20Cr 5120 20Cr4 SCr22 18C318C4 527A19527M20 683/1120Cr420CrS4 30Cr 5130 28Cr4 SCr2 28C432C4 530A30530A32 – 35Cr 5135 34Cr437Cr4 SCr3 38C4 530A36 683/83、 3a、 3b 40Cr 5140 38Cr441Cr4 SCr4 42C4 530A40530M40 683/14、 4a^ 4b 45Cr 5145 42Cr4 SCR5 45C4 – – 50Cr 51505152 – – 50C4 En48 – 38CrSi – – – – – – 12CrMo 4119 13CrMo44 – 12CD415CD2 – – 15CrMo ASTMA-387Gr. B 15CrMo516CrMo44 SCM21 15CD4. 05 BS1653 – 20CrMo 4118 20CrMo522CrMo4 SCM22 18CD420CD4 CDS 12CDSllO – 30CrMo 4130 25CrMo4 SCM2 30CD4 CDS 13 – 30CrMoA – 32CrMol23ICRMo12 – – – – 35CrMo 41354137 34CrMo435CrMo4 SCM3 35CD4 78A37 683/1C35eaC35eb 42CrMo 41404142 41CrMo442CrMo4 SCM4 40CD442CD4 708M40708A42709M40 683/13 12CrMoV – – – – – – 35CrMoV – 35CrMoV5 – – – – 12CrlMoV – 13CrMoV4.2 – – – – 25Cr2MoVA – 24CrMoV5.5 – – – – 25Cr2MolVA – – – – – – 20CR3MoWVA – 21CrVMoW12 – – – – 38CrMoΛl 6370 (ΛMS) 34CrAlMo541CrAlMo7 SACM645 40CAD6.12 905M39 683/1041CrAlMo74 20CrV 6120 22CrV4 – 22CrV4 – – 40CrV 6140 42CrV – 42CrV4 – – 50CrVA 6150 50CrV4 SUPlO 50CV4 735A50 – 15CrMn – 16MnCr5 – 16MC5 – – 20CrMn 5120 20MnCr5 SMC21 20MC5 – – 40CrMn 5140 – SMC3 – – – 20CrMnSi – – – – – 25CrMnSi – – SMKl – – – 30CrMnSi – – – – – – 30CrMnSiA – – – – – – 35CrMnSiA – – SMK2 – – – 20CrMnMo 4119 20CrMo5 SCM23 – – – 40CrMnMo 4140 – – – – – 20CrMnTi – – SMK22 – – – 30CrMnTi – 30MnCrTi4 – – – – 20CrNi 3120 20NiCr6 – 20NC6 637A16637M17 – 40CrNi 3140 46NiCr6 SNCl 35NC6 640A35640M40 – 45CrNi 3145 45NiCr6 – – – – 50CrNi 3150 – – – – – 12CrNi2 3115 14NiCrlO SNC21 IONCll14NC11 – – 12CrNi3 3310 13NiCrl2 SNC22 10NC1214NC12 655A12655M13 – 20CrNi3 – 22NiCrl4 – 20NC11 – – 30CrNi3 – 28NiCrlO31NiCrl4 SNC2 30NC1130NC12 – – 37CrNi3 – 35NiCrl8 SNC3 35NC15 – – 12Cr2Ni4 E3310 14NiCrl8 – 12NC15 – – 20Cr2Ni4 E3316 22NiCrl4 – 20NC14 659A15659M15 – 20CrNiMo 8620 8720 20NiCrMo221NiCrMo2 – 20NCD2 805A20805M20 – 40CrNiMoA 4340 9840 36NiCrMo440NiCrMo6 SNCM8 35NCD540NCD3 817M40816M40 – 45CrNiMoVA 4437 – SNCM9 – – – 18Cr2Ni4WA 25Cr2Ni4WA
