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Model No. : | GB/T 18254 |
---|---|
Brand Name : | Torich |
Standard : | GB |
Ningbo, Zhejiang, China
Produktbeskrivning
Torich är professionell tillverkare och exportör för Bearing Steel Tube High Carbon Chrom Steel Round Tube
Kina Bearing Steel Tub, Bearing Steel Round Tube, Bearing Oil Pipe, Bär sömlösa stålrör, Bearing Steel Pipe vi erbjöd att du kan lita på. Välkommen att göra affärer med oss.
Round Bearing Galvaniserad Stålrör, Kolv Stål Runda Tube, tillverkad av GCr4, GCr15, GCr15SiMn, GCr15SiMo, GCr18Mon, enligt kinesisk standard GB / T 18254
Stålrör med hög karbonkrom GB / T 18254: 2002 Storlek:
OD: 5-100 mm
WT: 0,5-15 mm
Längd: 12000mm
Produktionsmetod för Round Bearing Tub: Hot Rolling och Cold Drawn
Användning av lagerrör: Lager, Bearing Parts
Stålrör med hög karbonkrom, OD, Tjocklek och tillåtet:
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 |
Leveransvillkor för Round Bearing Tube:
Efter förhandling av kund och leverantör (anges i kontrakt) kan leveransvillkoret vara [Annealed + fosfatized + micro drawing "+" Annealed + micro drawing "etc
WHWY Ledstångsstål (varmvalsning eller sfäroider glödgad)
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 |
Materialhaltens grad:
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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