Tiub Dandang ASTM A213
Komposisi Kimia Keluli Aloi ASTM A213(%, maks)
Gred Keluli | Komposisi kimia% | ||||||||||||
C | Si | Mn | P, S Maks | Cr | Mo | Ni Max | V | Al Max | W | B | Nb | N | |
T2 | 0.10~0.20 | 0.10~0.30 | 0.30~0.61 | 0.025 | 0.50~0.81 | 0.44~0.65 | – | – | – | – | – | – | – |
T11 | 0.05~0.15 | 0.50~1.00 | 0.30~0.60 | 0.025 | 1.00~1.50 | 0.44~0.65 | – | – | – | – | – | – | – |
T12 | 0.05~0.15 | Maks 0.5 | 0.30~0.61 | 0.025 | 0.80~1.25 | 0.44~0.65 | – | – | – | – | – | – | – |
T22 | 0.05~0.15 | Maks 0.5 | 0.30~0.60 | 0.025 | 1.90~2.60 | 0.87~1.13 | – | – | – | – | – | – | – |
T91 | 0.07~0.14 | 0.20~0.50 | 0.30~0.60 | 0.02 | 8.0~9.5 | 0.85~1.05 | 0.4 | 0.18~0.25 | 0.015 | – | – | 0.06~0.10 | 0.03~0.07 |
T92 | 0.07~0.13 | Maks 0.5 | 0.30~0.60 | 0.02 | 8.5~9.5 | 0.30~0.60 | 0.4 | 0.15~0.25 | 0.015 | 1.50~2.00 | 0.001~0.006 | 0.04~0.09 | 0.03~0.07 |
Sifat mekanikal Keluli Aloi ASTM A213:
Gred Keluli | Sifat Mekanikal | |||
T. S | Y. P | Pemanjangan | Kekerasan | |
T2 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
T11 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
T12 | ≥ 415MPa | ≥ 220MPa | ≥ 30% | 163HBW(85HRB) |
T22 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
T91 | ≥ 585MPa | ≥ 415MPa | ≥ 20% | 250HBW(25HRB) |
T92 | ≥ 620MPa | ≥ 440MPa | ≥ 20% | 250HBW(25HRB) |
ASTM A213 Tiub Keluli Di Luar Diameter dan Toleransi Ketebalan Dinding
OD, mm | Toleransi OD |
< 25.4 | +/- 0.10 |
25.4 – <= 38.1 | +/- 0.15 |
> 38.1 -< 50.8 | +/- 0.20 |
50.8 -< 63.5 | +/- 0.25 |
63.5 -< 76.2 | +/- 0.30 |
76.2 – <= 101.6 | +/- 0.38 |
> 101.6 – <= 190.5 | +0.38/-0.64 |
> 190.5 – <= 228.6 | +0.38/-1.14 |
OD, mm | Toleransi WT |
<= 38.1 | +20%/-0 |
> 38.1 | +22%/-0 |
Tulis mesej anda di sini dan hantar kepada kami