Carbon Molybdenum Alloy Steel Pipe Seamless For Boiler / Superheater
Brand Name:TORICH
Certification:ISO9001, ISO14001, TS16949
Model Number:ASTM A209
Minimum Order Quantity:5Tons
Delivery Time:30-45 work days
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Ningbo Zhejiang China
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Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
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TORICH ASTM A209 Seamless Carbon-Molybdenum Alloy Steel Boiler and
Superheater 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 and Superheater Tubes
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 | ||||||
| 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 | |||||
| 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 | ||
| Seel Grade | HB S ≥5.1mm | HRB S≤ 5.1mm |
| T1 | ≤146 | ≤80 |
| T1a | ≤153 | ≤81 |
| T1b | ≤137 | ≤77 |
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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
TORICH ASTM A209 Seamless Carbon-Molybdenum Alloy Steel Boiler and Superheater Tubes
Carbon Molybdenum Alloy Steel Pipe Seamless For Boiler / Superheater
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