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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
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
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
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
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
Specifications
Brand Name :
Torich
Place of Origin :
China
Payment Terms :
L/C, T/T
Model Number :
GB/T 18254
Certification :
ISO 9001 ISO14001
MOQ :
1TON
Delivery Time :
60-90days
Packaging Details :
In export packaging
Price :
negotiable
Description

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 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

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
Grade HBW
GCr4 179-207
GCr15 179-207
GCr15SiMn 179-217
GCr15SiMo 179-217
GCr18Mo 179-207

Degree of Material purity

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

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

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

Product tags

bearing steel tube

,

4130 alloy steel tube

,

bs 6323 precision steel tube
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Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube

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Product Detail
Brand Name :
Torich
Place of Origin :
China
Payment Terms :
L/C, T/T
Model Number :
GB/T 18254
Certification :
ISO 9001 ISO14001
MOQ :
1TON
Contact Supplier
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
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
Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube

TORICH INTERNATIONAL LIMITED

Verified Supplier
11 Years
zhejiang, ningbo
Since 1997
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller
Main Products :
Precision Steel Tube, Seamless Steel Tube, Stainless Steel Tube
Total Annual :
25000000-30000000
Employee Number :
100~200
Certification Level :
Verified Supplier
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