ASTM A179 SA179SMLS Carbon Steel Seamless Boiler Tube 12.7-114.3mm OD for High Pressure Service
Price:
800 - 9000 USD / ton
MOQ:
25T
Delivery Time:
60-75days
Brand:
HDT
Product Description
Product Overview
ASTM A179/SA179SMLS seamless carbon steel boiler tubes designed for high-pressure service applications in boiler systems and pressure vessels.
Technical Specifications
Standard & Dimensions
Standard: ASTM A179/SA179SMLS
Outer Dimensions: 12.7mm - 114.3mm
Wall Thickness: 0.8mm - 15mm
Length: Fixed (6m, 9m, 12m, 24m) or normal length (5-12m)
Steel Grade
Grade A
Delivery Conditions
Annealed, Normalized, Normalized and Tempered
Chemical Composition
| Product | Grade | C | Si | Mn | P≤ | S≤ | Cr | Ni | Others |
|---|---|---|---|---|---|---|---|---|---|
| Carbon steel | 10 | 0.07/0.13 | 0.17/0.37 | 0.35/0.65 | 0.03 | 0.03 | ≤0.15 | ≤0.30 | Cu≤0.25 |
| Carbon steel | 20 | 0.17/0.23 | 0.17/0.37 | 0.35/0.65 | 0.03 | 0.03 | ≤0.25 | ≤0.30 | Cu≤0.25 |
| Carbon steel | A179 | 0.06/0.18 | - | 0.27/0.63 | 0.03 | 0.03 | - | - | - |
| Carbon steel | A192 | 0.06/0.18 | ≤0.25 | 0.27/0.63 | 0.03 | 0.03 | - | - | - |
Mechanical Properties
| Item | Mark | Tensile Strength Rm MPa | Lower Yield Strength Rel or Rp0.2 MPa | Elongation % | Hardness HRB | Hardness HB |
|---|---|---|---|---|---|---|
| 1 | 10 | 335-475 | 205 | 24 | - | - |
| 2 | 20 | 410-530 | 245 | 20 | - | - |
| 3 | A179 | ≥325 | 180 | 35 | - | - |
| 4 | A192 | ≥325 | 180 | 35 | 77 | 137 |
Quality Assurance
Inspection and Testing
- Chemical Composition Inspection
- Mechanical Properties Test (Tensile Strength, Yield Strength, Elongation)
- Formability Tests (Flaring, Flattening, Bending)
- Hardness and Impact Testing
- Surface and Dimension Verification
- Non-destructive Testing
- Hydrostatic Pressure Testing
Surface Treatments
Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Packaging
Beveled ends, black painting, plastic caps, bundled packaging, steel strapping, wooden protection
Applications
- Evaporators, heat exchangers, condensers, and heat transfer equipment
- Mechanical processing, petrochemical industry, transportation, and construction
- Structural applications including construction supports and bearing components
- Fluid transportation systems for water, oil, and gas
- Low and medium pressure boiler systems (steam tubes, smoke tubes, generating tubes)
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
Location
Rm. 1202, Buildiing A, Wanda Plaza, Zhangjiagang, Jiangsu, China
Contact Person
Yolanda Zou