Grade St35.8 SMLS Tj-6 Pipe 3
API 5CT Cs SMLS L80 Casing Premium Threaded Equivalent
Grade St35.8 SMLS Pipe 3" SCH40 DIN17175 standartst37 st35.8 st52 steel pipe
6"SCH40
DIN1629 St37.0,St44.0,St52.0
DIN17175 St35.8,St45.8
EN10208 Gr. L245NB,L290
1. OD: 10~830mm
2. WT: 2~60mm
3. Material: St52, St52.4, A210 C, Q345B,16Mn
4. Certificate: ISO9001
Grade
Product performance index
executive standard
Yield point
6s
MPa
elongation
δ5
%
after cold forming finally,
annealing below A1.
St35
≥420
≥315
≥15
Germany standard
DIN-2391-94
≥520
≥375
≥14
≥580
≥420
≥11
after cold forming finally,
steel pipe annealing in
the protection of non-oxide
medium atmosphere
St35
≥315
≥36
≥390
≥34
≥490
≥31
after cold forming finally ,
in the phase change a bit above,
annealing in the protection
of non-oxide medium atmosphere.
St35
340-470
≥235
≥33
440-570
≥255
≥32
490-630
≥355
≥29
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