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Round Bearing Tube High Carbon Chromium Steel
| Model No. : | GB/T 18254 |
|---|---|
| Brand Name : | Torich |
| Standard : | GB |
Ningbo, Zhejiang, China
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- Pengilang
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Penerangan Produk
Torich adalah pengilang profesional dan pengeksport untuk tiub keluli karbon tinggi tiub kromium keluli tiub
China Bearing Steel Tube, Bearing Steel Round Tube, Bearing Oil Tube, Bearing Steel Steel Lancar, Bearing Steel Pipe kami menawarkan yang anda boleh percaya. Selamat datang untuk berniaga dengan kami.
Tube Pusingan Galvanized Bearing Pusingan, Karbon Tinggi Chromium Steel Round Tube, dihasilkan oleh GCr4, GCr15, GCr15SiMn, GCr15SiMo, GCr18Mon, mengikut Standard Cina GB / T 18254
Kromium Karbon Tinggi yang Mempunyai Tiub Steel GB / T 18254: 2002 Saiz:
OD: 5-100mm
WT: 0.5-15mm
Panjang: 12000mm
Kaedah pengeluaran Tube Bearing Pusingan: Rolling panas dan Cold Drawn
Penggunaan tiub galas: Bearing, Bearing Parts
Kromium Karbon Tinggi yang Mempunyai Tube Keluli OD, Ketebalan dan dibenarkan:
|
Steel pipe type amd production method |
Size |
size range |
permissible variation |
||
|
hot rolled steel pipe |
Assel rolling+peeling |
OD |
55-148 |
±0.15 |
|
|
＞148-170 |
±0.20 |
||||
|
thickness |
4-8 |
+20% |
|||
|
＞8-34 |
+15% |
||||
|
Assel hot rolled |
OD |
60-67 |
±0.35 |
||
|
＞75-100 |
±0.50 |
||||
|
＞100-170 |
±0.50% |
||||
|
thickness |
OD＜80 |
＜80 |
+12% |
||
|
OD≥80 |
≥80 |
+10% |
|||
|
cold drawn steel pipe |
OD |
≤65 |
+0.2 |
||
|
-0.10 |
|||||
|
＞65 |
±0.20 |
||||
|
thickness |
3-4 |
+12% |
|||
|
＞4-12 |
+10% |
||||
|
other production methods |
negatiated by the parties and indicated into contract |
||||
|
Steel Curvature |
|||
|
steel type |
curvature/(mm*m) |
total curvature/mm |
|
|
hot rolled round steel |
≤4 |
≤0.4%*steel length |
|
|
hot rolled & annealed round steel |
≤3 |
≤0.3%*steel length |
|
|
hot forged round steel |
≤5 |
≤0.5%*steel length |
|
|
cold drawn round steel |
Diameter≤25mm |
≤2 |
≤0.2%*steel length |
|
Diameter＞25mm |
≤1.5 |
≤0.15%*steel length |
|
|
steel pipe |
thickness≤15mm |
≤1 |
≤4 |
|
thickness＞15mm |
≤1.5 |
||
|
Grade and chemical composition |
|||||||||||||
|
No. |
Grade |
C |
Si |
Mn |
Cr |
Mo |
P |
S |
Ni |
Cu |
NI+Cu |
moulded steel |
continuously cast steel |
|
not exceeding |
|||||||||||||
|
B00040 |
GCr4 |
0.95-1.05 |
0.15-0.30 |
0.15-0.30 |
0.35-0.50 |
≤0.08 |
0.025 |
0.02 |
0.25 |
0.2 |
/ |
15*10-6 |
12*10-6 |
|
B00150 |
GCr15 |
0.95-1.05 |
0.15-0.35 |
0.25-0.45 |
1.40-1.65 |
≤0.10 |
0.025 |
0.025 |
0.3 |
0.25 |
0.5 |
15*10-6 |
12*10-6 |
|
B01150 |
GCr15SiMn |
0.95-1.05 |
0.45-0.75 |
0.95-1.25 |
1.40-1.65 |
≤0.10 |
0.025 |
0.025 |
0.3 |
0.25 |
0.5 |
15*10-6 |
12*10-6 |
|
B03150 |
GCr15SiMo |
0.95-1.05 |
0.65-0.83 |
0.20-0.40 |
1.40-1.70 |
0.30-0.40 |
0.027 |
0.02 |
0.3 |
0.25 |
/ |
15*10-6 |
12*10-6 |
|
B02180 |
GCr18Mo |
0.95-1.05 |
0.20-0.40 |
0.25-0.40 |
1.65-1.95 |
0.15-0.25 |
0.025 |
0.02 |
0.25 |
0.25 |
/ |
15*10-6 |
12*10-6 |
Keadaan penghantaran untuk Tube Bearing Pusingan:
- WHR Hot rolling and hot forging steel round unannealed
- WHSTAR Rolling panas dan panas mengikat keluli bulat annei lembut
- WHTGR Hot rolling spheroids annealed round steel
- WHTGSFR Spheroids rolling panas yang disalurkan dengan keluli bulat yang dikupas
- WHSTASFR Hot rolling and hot forging keluli bulat berkilat lembut dikupas
- WCR Keluli bulat sejuk (digulung sejuk)
- WCSPR Digunakan sejuk (digulung sejuk) keluli pusingan digilap
- WHT Hot rolling steel tube
- WHTASFT Hot rolling annealed steel tube dikupas
- WCT Tiub keluli ditarik sejuk (sejuk)
Selepas rundingan pelanggan dan pembekal (yang ditetapkan dalam kontrak), keadaan penghantaran boleh [Annealed + fosfatized + lukisan mikro "+" Annealed + lukisan mikro "dll
WHWY rod dawai (rolling panas atau spheroids annealed)
|
Hardness of Annealed steel products |
|
|
Grade |
HBW |
|
GCr4 |
179-207 |
|
GCr15 |
179-207 |
|
GCr15SiMn |
179-217 |
|
GCr15SiMo |
179-217 |
|
GCr18Mo |
179-207 |
|
Coloring requirements for different grades |
|
|
Grade |
Color |
|
GCr4 |
one green+one white |
|
GCr15 |
one blue |
|
GCr15SiMn |
one green+one blue |
|
GCr15SiMo |
one white+on yellow |
|
GCr18Mo |
two green |
Ijazah Bahan Ketulenan:
|
Non-metal inclusion Quanlified Level |
||
|
Non-metal inclusion Type |
Qualified Level Not exceed |
|
|
Thin type |
Thick type |
|
|
A |
2.5 |
1.5 |
|
B |
2 |
1 |
|
C |
0.5 |
0.5 |
|
D |
1 |
1 |
Ningbo, Zhejiang, China
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- Pengilang
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