Structural Tube DIN1629 GR.St37.0 for manufacturing pipeline, vessel,equipment,pipe fittings and steel structures
Chemical Composition(%)
| Standard | Grade | C | Si | Mn | P | S | Cr | Ni | Cu |
| DIN1629 | St37.0 | ≤0.17 | 0.17-0.37 | 0.35-0.65 | ≤0.025 | ≤0.020 | ≤0.25 | ≤0.25 | ≤0.25 |
| St44.0 | ≤0.21 | 0.17-0.37 | 0.50-0.80 | ≤0.025 | ≤0.020 | ≤0.25 | ≤0.25 | ≤0.25 | |
| St55 | 0.33-0.41 | 0.17-0.37 | 0.50-0.80 | ≤0.025 | ≤0.020 | ≤0.25 | ≤0.25 | ≤0.25 | |
| St52.0 | ≤0.22 | ≤0.55 | ≤1.60 | ≤0.025 | ≤0.020 | ≤0.25 | ≤0.25 | ≤0.25 | |
| CK45 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.025 | ≤0.020 | ≤0.25 | ≤0.25 | ≤0.25 |
Mechanical Properties
| Standard | Grade | Tensile Strength (Mpa) | Yield Strength(Mpa) Min | Elongation(%) Min | |
| ≤16mm | ＞16mm | ||||
| DIN1629 | St37.0 | 350-480 | 235 | 225 | 25 |
| St44.0 | 420-550 | 275 | 265 | 21 | |
| St55 | 540-645 | 295 | 285 | 17 | |
| St52.0 | 500-650 | 355 | 345 | 21 | |
| CK45 | 590-730 | 335 | 325 | 14 | |
| Type | Seamless/LSAW carbon steel pipe | |
| ExecutiveStandard | DIN 1629 | |
| Materials | St37.0 St44.0 St55 St52.0 CK45 | |
| Size | Outer Diameter | Seamless:17-914mm 3/8"-36" |
| Wall Thickness | 2-60mm SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80 SCH100 SCH120 SCH140 SCH160 XXS | |
| Length | Random/Fixed Length 5m-14m or as customer's actual request | |
| Ends | Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc. | |
| Surface Treatment | Bare,Painting black,varnished,galvanized,anti-corrosion 3PE PP/EP/FBE coating | |
| Technical Methods | Hot-rolled/Cold-drawn/Hot-expanded | |
| Testing Methods | Pressure test,Flaw detection,Eddy current testing, Hydrostatic testing or Ultrasonic examination and also with chemical and physical property inspection | |
| Packaging | Small pipes in bundles with strong steel strips,large pieces in loose; Covered with plastic woven bags; Wooden cases;Loaded in 20ft 40ft or 45ft container or in bulk;Also accrdin to customer's requests | |
| Origin | Hebei Prov.China | |
| Application | Conveying oil gas and water | |
| Certificates | API ISO PED Lloyd's | |
| Third Party Inspection | SGS BV MTC | |
| Trade Terms | FOB CIF CFR | |
| Payment Terms | FOB 30%T/T,70% before shipment CIF 30% pre-payment,the balance to be paid upon B/L (copy) by L/C at sight | |
Company Advantages:
Best quality (original steel tubes from TPCO/Hengsteel(Hengyang valin)/Shanghai Baosteel/Baotou Steel/Anshan...)
Large stock of various sizes and grades of steel pipes
Speedy delivery
Sample can be sent for testing
Customized design available
Small order acceptable
