
BS3059 Part 320 Seamless Steel Tubes For Heat Exchanger Boiler
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
Minimum Order Quantity : | 5 tons | Price : | 800-2000 USD ton |
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Packaging Details : | Packed in bundles or wooden box or upon request | Delivery Time : | 30-60days after received your payment |
Supply Ability : | 6000 tons annual |
Place of Origin: | China | Brand Name: | TORICH |
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Certification: | ISO 9001 ISO 14001 EN 10204.3.1 TS 16949 BV-MODE II | Model Number: | ASTM A209 |
Detail Information |
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Product Name: | Carbon Molybdenum Seamless Steel Pipes | Material: | Carbon Molybdenum |
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Steel Grade: | T1,T1a,T1b | Application: | Boiler And Heat Exchanger |
Diameter: | 5-420mm | Wall Thickness: | 0.5-50mm |
Standard: | ASTM A209 | Production Method: | Seamless Cold Drawn Hot Rolled Seamless |
High Light: | carbon steel tube,high carbon steel tube |
Product Description
ASTM A209/A209M Seamless Carbon-Molybdenum Alloy-Steel Boiler and Superheater Carbon Steel Heat Exchanger Tubes
Standard: ASTM A209 / A209M Seamless Carbon-Molybdenum Alloy-Steel Boiler and Super heater Tubes,Cold drawn and hot rolled seamless steel tubes for Boiler and Super heater
Applications: Boiler, Heat Exchanger, Cold Condensers
Size Range: OD:12.7-127mm WT:0.9-12.7mm
Steel Grade: T1, T1a, T1b
Manufacture:
Killed steel material.
The tubes are made by seamless process either hot-finished or cold-finished
Seamless Carbon-Molybdenum Alloy-Steel Boiler and Super heater Tubes
Cold drawn and hot rolled seamless steel tubes for Boiler and Super heater.
STEEL GRADE AND CHEMICAL COMPOSITIONS |
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Seel Grade |
C |
Mn |
P |
S |
Si |
Mo |
T1 |
0.10-0.20 |
0.30-0.80 |
≤0.025 |
≤0.025 |
0.10-0.50 |
0.44-0.65 |
T1a |
0.15-0.25 |
0.30-0.80 |
≤0.025 |
≤0.025 |
0.10-0.50 |
0.44-0.65 |
T1b |
≤0.14 |
0.30-0.80 |
≤0.025 |
≤0.025 |
0.10-0.50 |
0.44-0.65 |
Mechanical Properties |
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Seel Grade |
Tensile strength (Mpa) |
Yield Strength (Mpa) |
δfixed (Pipe Segment S≥8mm vertical) |
δfixed (S<8mm vertical) |
δfixed (Round brilliant) |
T1 |
≥380 |
≥205 |
≥30 |
See note |
≥22 |
T1a |
≥415 |
≥220 |
≥30 |
See note |
≥22 |
T1b |
≥365 |
≥195 |
≥30 |
See note |
≥22 |
Note: S<8mm vertical Elongation is the basic value minus 1.5%,per wall thickness minus 0.8mm |
HARDNESS |
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Seel Grade |
HB S ≥5.1mm |
HRB S≤ 5.1mm |
T1 |
≤146 |
≤80 |
T1a |
≤153 |
≤81 |
T1b |
≤137 |
≤77 |
Delivery condition and Heat treatment:
Cold Drawn Seamless and Hot Rolled Seamless need Heat treatment .minimum temperature is 650℃
If Delivery condition is annealing, isothermal annealing, normalizing+ tempering tempering minimum temperature is 650℃
Hot-finished tubes are heat treated at a temperature of 1200℉ (650℃) or higher.
Reference Documents:
ASTM A450/A450M Specification for General Requirements for Carbon, Ferritic Alloy, and Austenitic Ally Steel Tubes
ASTM A941 Terminology Relating to Steel, Stainless Steel, Related Alloys and Ferroalloys
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