St35 yog cov hlau tsis muaj hlau zoo nrog cov tshuaj lom neeg tshwj xeeb. Cov muaj pes tsawg leeg muaj xws li carbon (C), manganese (Mn), phosphorus (P), sulfur (S), thiab silicon (Si). Cov muaj pes tsawg leeg yog tsim los muab cov cuab yeej zoo thiab tsim nyog rau kev siv precision.
Daim ntawv thov: DIN 2391 St35 seamless kav yog dav siv nyob rau hauv ntau yam kev siv, xws li hydraulic systems, automotive kev lag luam, thiab lwm yam precision engineering daim ntaub ntawv uas siab precision thiab du nto yog tseem ceeb heev.
Mechanical Strength Table Ntawm DIN 2391 St35 Carbon Steel Pipe
|
|
Cold drawn (Yuav tsum tau) |
Lub caij ntuj sov (Soft) |
Txias Drawn thiab Kev Nyuaj Siab tso |
Anneal |
normalizing |
|||||||
|
BK 1) |
BKW 1) |
(BKS) |
(GBK) 1) |
(NBK) 1) |
||||||||
|
Qib |
Tensile |
Elongation |
Tensile |
Elongation |
Tensile |
Yield point |
Elongation |
Tensile |
Elongation |
Tensile |
Yield point |
Elongation |
|
N / hli 2 |
% |
N / hli 2 |
% |
N / hli 2 |
N / hli 2 |
% |
N / hli 2 |
% |
N / hli 2 |
N / hli 2 |
% |
|
|
St35 |
480 |
6 |
420 |
10 |
420 |
315 |
14 |
315 |
35 |
340~470 |
235 |
25 |
Khoom sib npaug rooj ntawm DIN 2391 St35 Seamless yeeb nkab
| Kev Cai Sib Tw | |||||
|---|---|---|---|---|---|
| DIN | EN | BS | NFA | ASTM | ASME |
| DIN 2391-2 Qib St 35 | EN 1.0308 Qib S235G2T | NFA 49-310 Qib TU 37-b | – | – | – |
Dimension Tolerance Ntawm DIN 2391 St35. 0 Carbon Steel Pipes & Tube
|
OD Tolerance |
4-30 hli |
31-40 hli |
41-50 hli |
51-60 hli |
61-70 hli |
71-80 hli |
81-90 hli |
91-100 hli |
|
± 0.08mm |
± 0.15 hli |
± 0.20mm |
± 0.25 hli |
± 0.30mm |
± 0.30mm |
± 0.40mm |
± 0.45 hli |
|
|
WT kam rau ua |
±10% |
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