DIN1628 St 37.4 welded steel pipe surface treatment
DIN1628 St 37.4 welded steel pipe chemical composition
Chemical composition |
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|
Steel grade |
Type of deoxidation (RR.fully killed) |
Chemical composition, % by mass |
Addition of nitrogen fixing elements (e.g.no less than 0.020% Al total) |
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|
Symbol |
Material number |
C |
Si |
Mn |
P |
S |
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|
max |
max |
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|
St 37.4 |
1.0255 |
RR |
0.17 |
0.35 |
>=0.35 |
0.040 |
0.040 |
Yes |
DIN1628 St 37.4 welded steel pipe mechanical property
Steel grade |
Upper yield stress Reh for wall thickness in mm |
Tensile strength Rm N/mm2 |
Elongation after fracture A5 |
Impact energy ISO V-notch test pieces at+20°C |
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|
Symbol |
Material number |
Up to 16 |
16-40 |
40-65 |
longitudinal |
transverse |
longitudinal |
transverse |
|
|
N/mm2 min |
% min |
/ min |
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|
St 37.4 |
1.0255 |
235 |
225 |
215 |
350 to 480 |
25 |
23 |
43 |
27 |
DIN1628 St 37.4 welded steel pipe remarks
1) Payment term : T/T
2) Trade Terms : FOB / CFR /CIF
3) Minimum quantity of order : 20 MT
DIN1628 St 37.4 welded steel pipe surface treatment
Surface Corrosion proofing water based paint
Coating A choice of black or clear varnish exists for coating of the OCTG material.
DIN1628 St 37.4 welded steel pipe dimension
ERW; outer diameter:21.3-660mm thickness:6-25mm LSAW; outer diameter:325-1524mm thickness:6-50mm SSAW: outer diameter:219-3200mm thickness:5-25mm
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