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Boiler Steel Tube SA192 Seamless For Boiler Evaporator,Superheater High Pressure
Carbon Steel Boiler Tube Heat Exchanger Seamless Tube DIN2391 ST37.4 NBK 12*1MM
DIN2391 Precision Cold Drawn Seamless Pipes and Tubes, Gr St35 St45 St52 St37.4, Cold Finished Seamless Pipe use for Hydraulic and Pneumatic.
Delivery Status: NBK (+N) BKW (+LC) GBK (+A) BKS (+SR) BK (+C) OD x WT = 4~120 x 0.5~15mm
DIN2391 St52.4+N Phosphated Hydraulic Tube
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