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Address: Rm. 1202, Buildiing A, Wanda Plaza, Zhangjiagang, Jiangsu, China
Contact name:Sandy
ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD |
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High Pressure Boiler Steel Tube A179 Carbon Steel Used For Superheater ASTM Standard
A179/SA179 SMLS Carbon Steel Tube For High, Middle , Low Pressure Boiler And Pressure Purpose
Detail:
Standard: ASTM A179/SA179SMLS
Size:(mm)
Out Dimensions: 12.7mm – 114.3mm
Wall Thickness: 0.8mm - 15mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)
Description:
ASTM ASTM A179 SMLS
Seamless Carbon Steel Boiler Tubes For High-Pressure Service.
Steel Grde:
Grade A
Packing:
Beveled/black painting/ plastic caps/ in bundles/ steel strips/
wooden protection
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile
Strength, Yield Strength,Elongation, Flaring, Flattening, Bending,
Hardness, Impact Test),Surface and Dimension Test,Nodestructive
Test, Hydrostatic Test.
Surface treatment:
Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Mark:
As requested.
Delivery Condition:
Annealed, Normalized, Normalized and Tempered
Chemical composition:
| Product | Ttem | Grade | Chemical composition | |||||||
| C | Si | Mn | P.≤ | S.≤ | Cr | Ni | others | |||
| Carbon steel | 1 | 10 | 0.07/0.13 | 0.17/0.37 | 0.35/0.65 | 0.03 | 0.03 | ≤0.15 | ≤0.30 | Cu≤0.25 |
| 2 | 20 | 0.17/0.23 | 0.17/0.37 | 0.35/0.65 | 0.03 | 0.03 | ≤0.25 | ≤0.30 | Cu≤0.25 | |
| 3 | A179 | 0.06/0.18 | - | 0.27/0.63 | 0.03 | 0.03 | - | - | - | |
| 4 | A192 | 0.06/0.18 | ≤0.25 | 0.27/0.63 | 0.03 | 0.03 | - | - | - | |
Mechanical properties:
| Item | Mark | Tensile property | Hardness | ||||
| Extension strength Rm Mpa | Lower Yield strength Rel or Rp0.2 MPa | lower Yield strength ReL or Rp0.2 Mpa | |||||
| Thickness | Thickness | ||||||
| ≤16 | >16 | <5.1 | ≥5.1 | ||||
| ≥ | ≤ | ||||||
| 1 | 10 | 335~475 | 205 | 195 | 24 | - | - |
| 2 | 20 | 410~530 | 245 | 235 | 20 | - | - |
| 3 | A179 | ≥325 | 180 | 35 | - | - | |
| 4 | A192 | ≥325 | 180 | 35 | 77HRB | 137HB | |
Applications:
1, For evaporator, heat exchangers, condensers, heat transfer equipment and similar pipes.
2, Widely used in the mechanical treatment field, petrochemical industry, transport and construction field
3, Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc;
4, The transportation of fluids in the projects and big equipments, for example transport of water, oil, gas etc
5, Can be used in low and medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength,
Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.
Surface treatment:
Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
