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Seamless Automotive Steel Tubes GB / T3203 Grade G10CR2NI3MO

Basic Information
Place of Origin: China
Brand Name: Torich
Certification: ISO 9001 ISO14001
Model Number: GB/T3203
Minimum Order Quantity: 1ton
Price: negotiable
Packaging Details: In export packaging
Delivery Time: 60-90days
Payment Terms: L/C, T/T
Detail Information
High Light:

low carbon steel tube

,

steel mechanical tubing


Product Description

 

Seamless Automotive Steel Tubes GB / T3203 Grade G10CR2NI3MO

 

Carburizing  steel  for  bearing

 

Length :3-6m

Deliver condition:Hot rolling and Forged steel---hot rolling, forged ,annealing 

                              Cold rolling ---Annealing ,tempering

 

Item Grade Chemical compositions
C Si Mn Cr Ni Mo Cu P S
1 G20CrMo 0.17-0.23 0.20-0.35 0.65-0.95 0.35-0.65 - 0.08-0.15 0.25 0.03 0.03
2 G20CrNiMo 0.17-0.23 0.15-0.40 0.60-0.90 0.35-0.65 0.40-0.70 0.15-0.30 0.25 0.03 0.03
3 G20CrNi2Mo 0.17-0.23 0.15-0.40 0.40-0.70 0.35-0.65 1.6-2.00 0.20-0.30 0.25 0.03 0.03
4 G20Cr2Ni4 0.17-0.23 0.15-0.40 0.30-0.60 1.25-1.75 3.25-3.75 - 0.25 0.03 0.03
5 G10Cr2Ni3Mo 0.08-0.13 0.15-0.40 0.40-0.70 1.00-1.40 3.00-3.50 0.08-0.15 0.25 0.03 0.03
6 G20Cr2Mn2Mo 0.17-0.23 0.15-0.40 1.30-1.60 1.70-2.00 Max0.30 0.20-0.30 0.25 0.03 0.03

 

Mechanical properties
Item Grade Tensile strength Mpa  Elongation %  Shrinkage %  Impact value J
1 G20CrNiMo 1176 9 45 8
2 G20CrNi2Mo 980 13 45 8
3 G20Cr2Ni4 1176 10 45 8
4 G10Cr2Ni3Mo 1078 9 45 8
5 G20Cr2Mn2Mo 1274 9 40 7

 

 

Hardenability
Grade Heat treatment Hardness HRC
Distance from the end,mm 
1.5 9
G20CrNiMo 920-950℃,60min,Normailized 900±20℃,15-30min,water 40-48  23-38
G20CrNi2Mo 920±20℃,60min,Normailized 900±20℃,15-30min,water 41-48 ≥30

 

 

 Remark :Hardness of steel with annealing condition :G20Cr2Ni4(A)≤241,thers are ≤229.

 

 

Dimension and tolerance /mm
OD Tolerance OD Tolerance OD Tolerance OD Tolerance
8 0.6 23 0.7 38 0.9 75 1.2
10 24 40 80
11 25 42 85 1.8
12 26 43 90
13 27 44 95
14 28 45 100
15 29 46 105
16 30 48 110
17 32 0.9 50 115
18 33 52 1.2 120 2.5
19 34 55 125
20 35 60 130
21 0.7 36 65 140
22 37 70 150

 

Application :

 

Auto motive 

construction.transfer.agricultural machinery.

Agricultural machinery

Renewable energy sources

Steel equipments

Medical apparatus and instruments

Flying head machine

Railway vehicle

 

 

Bearing Steel Tube Bearing Steel Pipe

Contact Details
Lily Zhang

Phone Number : +8618958208557

WhatsApp : +8613736164628