| Jenis bayaran: | L/C,T/T,D/P |
| Incoterm: | FOB,CFR,CIF,EXW |
| Pengangkutan: | Ocean,Express,Land |
| Port: | Tianjin,Shanghai,Qingdao |
Model No.: JIS G3461
Standard: JIS, ASTM, GB
Bahan: Aloi Cr-Mo, STPA22-STPA26, STPG42, STBA20-STBA26, Aloi Mn-V, Aloi CrNi
Bentuk Bahagian: Bulat
Tempat Asal: China
Permohonan: Paip Dandang, Paip Bendalir, Paip Struktur
Proses Pengeluaran: Hot Rolled
Persijilan: API, pejabat
Tiub Khas: Pipa Dinding Tebal
Sama Ada Aloi: Adakah Aloi
Bertolak Ansur: ± 1%
Kategori: Paip Keluli lancar
Perkhidmatan Pemprosesan: Membengkok, Menyahtapis, Menumbuk, Keratan
| Unit Jualan | : | Ton |
| Jenis Pakej | : | Pembungkusan marin standard, atau seperti yang dikehendaki oleh pelanggan |
| Contoh Gambar | : |
|
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JIS G3461 tiub keluli karbon direka untuk digunakan dalam aplikasi suhu tinggi dan tekanan tinggi.
|
Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
STB 340 |
≤0.18 |
≤0.35 |
0.30-0.60 |
≤0.035 |
≤0.035 |
/ |
/ |
|
STB 410 |
≤0.32 |
≤0.35 |
0.30-0.80 |
≤0.035 |
≤0.035 |
/ |
/ |
|
STB 510 |
≤0.25 |
≤0.35 |
1.00-1.50 |
≤0.035 |
≤0.035 |
/ |
/ |
|
STB A22 |
≤0.15 |
≤0.50 |
0.30-0.60 |
≤0.035 |
≤0.035 |
0.80-1.25 |
0.45-0.65 |
|
STB A23 |
≤0.15 |
0.50-1.00 |
0.30-0.60 |
≤0.030 |
≤0.030 |
1.00-1.50 |
0.45-0.65 |
Jis G3461 tiub keluli karbon digunakan terutamanya untuk bertukar haba di dalam dan di luar tiub, seperti tiub air, tiub asap, tiub superherater, tiub preheater udara, dan lain -lain dandang, dan industri penukar haba. Ia tidak berkenaan dengan tiub keluli untuk relau pemanasan dan mereka untuk penukar haba untuk perkhidmatan suhu rendah.
|
Grade |
Yield Strength (Mpa) |
Tensile Strength |
Elongation (%) |
|
STB 340 |
≥175 |
≥340 |
≥35 |
|
STB 410 |
≥255 |
≥410 |
≥25 |
|
STB 510 |
≥295 |
≥510 |
≥25 |
|
STB A22 |
≥206 |
≥412 |
≥30 |
|
STB A23 |
≥206 |
≥412 |
≥30 |
Tiub hendaklah dihasilkan oleh proses lancar, proses kimpalan rintangan elektrik, atau proses kimpalan pantat, dan gred lain akan dihasilkan oleh proses lancar atau proses kimpalan rintangan elektrik. Tiub itu hendaklah seperti yang dihasilkan atau sebagai keadaan sejuk yang siap, atau mereka hendaklah tertakluk kepada rawatan haba yang sesuai.
|
JIS G3461 |
ASTM |
ASME |
BS |
DIN |
ISO |
ABS |
NK |
LRS |
DNV |
|
STB 340 |
A178 |
SA178 A |
3059-P1 320 |
17175 st 35.8 |
|
ABS D |
KSTB 33 |
Sec 6 320 |
Sec 4-E-TS360 |
|
STB 410 |
A178 C |
SA178 C |
3059-P2 440 |
17175 st 45.8 |
|
ABS F |
KSTB 42 |
Sec 6 410 |
Sec 4-E-TS410-1 |
|
STB 510 |
|
|
|
17175 19Mn 5 |
|
|
|
|
Sec 4-E-TS510 |
Tiub hendaklah praktikal lurus. dan kedua -dua hujungnya akan berada di sudut tepat ke paksi tiub. Tiub hendaklah bebas daripada kecacatan yang merugikan penggunaan praktikal.
|
Symbol of class |
Heat treatment |
||||
|
Hot finished seamless steel tube |
Cold finished seamless steel tube |
Electric resistance welded steel tube other than hot finished or cold finished steel tube |
Finished electric resistance welded steel tube |
Fold finished electric resistance welded steel tube |
|
|
STB 340 |
As manufactured, as required, low temperature annealing or normalizing may be performed. |
Low temperature annealing, normalizing or full annealing. |
Normalizing |
As manufactured. However, as required, low temperature annealing or normalizing may be performed. |
Normalizing |
|
STB 410 |
As manufactured. However, as required, low temperature annealing or normalizing may be performed. |
Low temperature annealing, normalizing or full annealing. |
Normalizing |
Low temperature annealing |
|
|
STB 510 |
Normalizing |
||||
Kami juga menawarkan perkhidmatan fabrikasi keluli di mana plat keluli boleh melalui proses seperti pemotongan, kimpalan, lenturan, pemesinan, pra-salutan, pra-berbaris, beveling, atau seperti yang anda perlukan. Kilang keluli kami mempunyai pekerja yang mempunyai 5-10 tahun pengalaman bekerja. Jika anda berminat untuk membeli produk tiub keluli JIS G3461, hubungi kami sekarang untuk harga terkini atau semak jadual berikut untuk gred keluli setara JIS G3461.
Toleransi ketebalan dinding
|
Tolerances |
Division of wall |
Division of method of manufacture |
Hot finished seamless steel tube |
Cold finished seamless steel tube |
Electric resistance welded steel tube |
|||
|
Division of outside diameter (mm) |
Under 100 |
100 or over |
Under 40 |
40 or over |
Under 40 |
40 or over |
||
|
Tolerances on wall thickness % |
Under 2 |
--- |
--- |
+0.4mm |
+22 |
+0.3 |
+18 |
|
|
0 |
0 |
|||||||
|
2 or over to and excl. 2.4 |
+40 |
--- |
+20 |
+18 |
||||
|
0 |
||||||||
|
2.4 or over to or excl. 3.8 |
+35 |
+35 |
||||||
|
0 |
0 |
|||||||
|
3.8 or over to or excl. 4.6 |
+33 |
+33 |
||||||
|
0 |
0 |
|||||||
|
4.6 or over |
+28 |
+28 |
||||||
|
0 |
0 |
|||||||
|
Tolerances on |
--- |
Within 22.8 of wall thickness |
--- |
--- |
||||
Toleransi diameter luar
|
Division of outside diameter |
Tolerances on outside diamete |
|||
|
Hot finished seamless steel tube |
Cold finished seamless steel tube |
Electric resistance welded steel tube other than cold finished |
Cold finished electric resistance welded steel tube |
|
|
Under 25 |
+0.4 |
【0.10 |
【1.5 |
【0.10 |
|
25 or over to and excl. 40 |
【0.15 |
【0.20 |
【0.15 |
|
|
40or over to and excl. 50 |
【0.20 |
【0.25 |
【0.20 |
|
|
50 or over to and excl 60 |
【0.25 |
【0.30 |
【0.25 |
|
|
60 or over to and excl. 80 |
【0.30 |
【0.40 |
【0.30 |
|
|
80 or over to and excl. 100 |
【0.40 |
+0.40 |
【0.40 |
|
|
-0.60 |
||||
|
100 or over to and excl.12 |
+0.4 |
+0.40 |
+0.40 |
+0.40 |
|
-0.60 |
||||
|
120 or over to and excl.160 |
+0.40 |
+0.40 |
+0.40 |
|
|
-0.80 |
||||
|
160 or over to and excl.200 |
+0.4 |
+0.40 |
+0.40 |
+0.40 |
|
-1.8 |
-1.20 |
-1.20 |
-1.20 |
|
|
200 or over |
+0.4 |
+0.40 |
+0.40 |
+0.40 |
|
-2.4 |
-1.60 |
-1.60 |
-1.60 |
|
Toleransi panjang
|
Division |
Tolerance on length |
|
|
50 mm or under in |
7 m or under in length |
+0.7 mm |
|
0 |
||
|
Over 7 m in length |
Add 3 mm to the plus side permissible deviation given above for each increase of 3m or its fraction in length. However, the maximum value shall be 15 mm. |
|
|
Over 50 mm in |
7 m or under in length |
+10mm |
|
0 |
||
|
Over 7 m in length |
Add 3 mm to the plus side permissible deviation given above for each increase of 3m or its fraction in length. However, the maximum value shall be 15mm. |
|
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