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Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube

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Buy cheap Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube from wholesalers
  • Buy cheap Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube from wholesalers
  • Buy cheap Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube from wholesalers
  • Buy cheap Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube from wholesalers
  • Buy cheap Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube from wholesalers
  • Buy cheap Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube from wholesalers

Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube

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Brand Name:Torich
Payment Terms:L/C, T/T
Model Number:GB/T 18254
Certification:ISO 9001 ISO14001
Delivery Time:60-90days
Price:negotiable
Company Data
Verified Supplier
Contact Person Richard SHEN
Business Type: Manufacturer Distributor/Wholesaler Importer Exporter Trading Company Seller
Officials: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Quality: Quality Certifitation Available
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Product Details

Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube Bearing tubes&steel tubes


High Carbon Chromium Bearing Steel Tube GB/T 18254:2002


Size:

OD 5-100mm

WT 0.5-15mm

Length: 12000mm

Application: Bearing, Bearing Parts

Steel pipe OD, Thickness and permissible


Steel pipe type amd production methodSizesize rangepermissible variation
hot rolled steel pipeAssel rolling+peelingOD55-148±0.15
>148-170±0.20
thickness4-8+20%
>8-34+15%
Assel hot rolledOD60-67±0.35
>75-100±0.50
>100-170±0.50%
thicknessOD<80<80+12%
OD≥80≥80+10%
cold drawn steel pipeOD≤65+0.2
-0.10
>65±0.20
thickness3-4+12%
>4-12+10%
other production methodsnegatiated by the parties and indicated into contract

Steel Curvature
steel typecurvature/(mm*m)≤total curvature/mm ≤
hot rolled round steel40.4%*steel length
hot rolled&annealed round steel30.3%*steel length
hot forged round steel50.5%*steel length
cold drawn round steelDiameter≤25mm20.2%*steel length
Diameter>25mm1.50.15%*steel length
steel pipethickness≤15mm14
thickness>15mm1.5

Grade and chemical composition
No.GradeCSiMnCrMoPSNiCuNI+Cumoulded steelcontinuously cast steel
not exceeding
B00040GCr40.95-1.050.15-0.300.15-0.300.35-0.50≤0.080.0250.020.250.215*10-612*10-6
B00150GCr150.95-1.050.15-0.350.25-0.451.40-1.65≤0.100.0250.0250.30.250.515*10-612*10-6
B01150GCr15SiMn0.95-1.050.45-0.750.95-1.251.40-1.65≤0.100.0250.0250.30.250.515*10-612*10-6
B03150GCr15SiMo0.95-1.050.65-0.830.20-0.401.40-1.700.30-0.400.0270.020.30.2515*10-612*10-6
B02180GCr18Mo0.95-1.050.20-0.400.25-0.401.65-1.950.15-0.250.0250.020.250.2515*10-612*10-6

Condition of delivery


WHR Hot rolling and hot forging unannealed round steel

WHSTAR Hot rolling and hot forging soft annealed round steel

WHTGR Hot rolling spheroids annealed round steel

WHTGSFR Hot rolling spheroids annealed peeled round steel

WHSTASFR Hot rolling and hot forging soft annealed peeled peeled round steel

WCR Cold drawn(cold rolled)round steel

WCSPR Cold drawn(cold rolled)polished round steel

WHT Hot rolling steel tube

WHTASFT Hot rolling annealed peeled steel tube

WCT Cold drawn(cold -rolled)steel tube

After negotiation of the customer and supplier (stipulated in contract),the delivery condition can be “Annealed+phosphatized+micro drawing”+”Annealed+micro drawing”etc

WHWY Wire rod steel (hot rolling or spheroids annealed)


Hardness of Annealed steel products
GradeHBW
GCr4179-207
GCr15179-207
GCr15SiMn179-217
GCr15SiMo179-217
GCr18Mo179-207

Degree of Material purity


Non-metal inclusion Quanlified Level
Non-metal inclusion TypeQualified Level Not exceed
Thin typeThick type
A2.51.5
B21
C0.50.5
D11

Coloring requirements for different grades
GradeColor
GCr4one green+one white
GCr15one blue
GCr15SiMnone green+one blue
GCr15SiMoone white+on yellow
GCr18Motwo green

Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube

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