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Cylinder Tube

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product description
Category
Skiving barreling pipe
Quantity
-
+
1
Product Description
Commonly used grade of steel and chemical component
20#,45#,Q345B,Q345D,25MN,27SIMN,E355,SAE1026,STKM13C,E460,4130,4140
Grade of steel
CHEMICAL COMPOSITION,%
 
C
Si
Mn
P
S
Cr
Ni
V
AI
≤ ≥
20#
0.17-0.24
0.17-0.37
0.35-0.65
0.035
0.035
0.250
0.250
/
/
 
45#
0.42-0.50
0.17-0.37
0.50-0.80
0.035
0.035
0.250
0.300
/
/
Q345B
≤0.2
≤0.5
1.00-1.60
0.030
0.030
0.030
0.250
0.08
/
 
Q345D
≤0.2
≤0.5
1.00-1.60
0.030
0.030
0.250
0.250
0.150
0.015
25Mn
0.22-0.29
0.17-0.37
0.70-1.00
0.035
0.035
/
/
/
/
27SiMn
0.24-0.32
1.10-1.40
1.10-1.40
0.035
0.035
0.300
0.300
/
/
E355(ST52)
≤0.22
≤0.55
≤1.6
0.025
0.025
0.250
0.250
/
/
SAE1026
0.22-0.28
0.15-0.35
0.60-0.90
0.040
0.050
/
/
/
/
E460
≤0.22
≤0.60
1.20-1.60
0.030
0.030
0.300
0.800
0.200
0.020
4130
0.28-0.33
0.15-0.35
0.40-0.60
0.040
0.040
0.80-1.10
/
/
/
4140
0.36-0.43
0.15-0.35
0.75-1.00
0.040
0.040
0.80-1.10
/
/
/

 

　　Hydraulic and pneumatic cold-drawn or cold-rolled precise seamless tubes

　　1.Production Standard：GB/T 3639;GB/T 1519;GB/T 699;DIN2391;EN10305-1;ASTM A519

　　2.Delivery Condition

Delivery condition
Code
 Notes
Cold drawn/hard
+C
Thermal treatment shall not be used after final cold-drawing or cold-rolling
 Cold drawn and stress released
+SR
 Stress relief annealing of steel tube shall be conducted after final cold-drawing or cold-rolling
Annealed
+A
 Annealing of steel tube shall be conducted after final cold-drawing
Normalizing
+N
 Normalizing of steel tube shall be conducted after final cooling

 

　　3.Mechanical Property

Designation
Delivery condition
+C
+SR
+A
+N
Rm/Mpa
A/%
Rm/Mpa
Rel/Mpa
A/%
KV2/J
Rm/Mpa
A/%
Rm/Mpa
Rel/Mpa
A/%
KV2/J
20#(ST45)
550
5
520
375
15
-
390
21
440~570
255
21
-
45#
645
5
600
520
10
-
390
14
540
340
18
-

 

　　Mechanical Property

Designation
Delivery condition
+C
+SR
+A
+N
Rm/Mpa
A/%
Rm/Mpa
Rel/Mpa
A/%
KV2/J
Rm/Mpa
A/%
Rm/Mpa
Rel/Mpa
A/%
KV2/J
Q345B
640
5
600
520
14
 
450
22
490~630
355
22
34
Q345D
640
5
600
520
14
27(-20℃)
450
22
490-630
355
22
34
25Mn(SAE1026)
640
5
600
520
15
-
430
20
460
300
20
-
★E355(ST52)
640
5
600
520
14
-
450
22
490~630
355
22
34
27SiMn
800
5
760
610
10
-
600
10
 
430
14
-
E460
 
 
690
620
13
-
 
 
650
 
 
 
★ Low temperature impact test upon request（27J／-20℃）
 
　　Remarks:

　　Rm:indicates tensile strength;

　　Rel:indicates lower yield strength;

　　A:indicates percentages elongation after fracture;

　　KV2:indicates impact absorbed energy.

 

　　4.Size range of cold-drawn and cold rolling tubes (單位Unit : mm )

I.DxO.D Apply Pressure  r.mmØ Kg/cm² I.DxO.D Apply Pressure  rr.mmØ Kg/cm² I.DxO.D Apply Pressure  rr.mmØ Kg/cm² I.DxO.D Apply Pressure  r.mmØ Kg/cm² I.DxO.D Apply Pressure  rr.mmØ Kg/cm²
18x31 751 60x72 208 88.9x101.6 150 125x135 75 165x190 160
18x35 980 60x75 260 88.9x105 190 125x137 100 165.1x190.5 160
20x30 520 60x80 346 90x100 115 125x140 125 170x190 125
20x40 1040 63.5x76.2 210 90x105 173 125x145 166 170x195 150
25x35 416 63x69 99 90x110 231 125x152 224 170x205 220
30x36 208 63x71 132 95x110 165 127x146 155 175x190 95
30x40 346 63x73 165 95x115 220 130x142 96 175x195 120
30x45 550 63x76 215 98.4x111.13 140 130x150 160 177.8x203.2 150
32x42 325 63x80 280 100x107 73 130x153 190 177.8x215.9 220
35x45 297 65x75 160   100x109 94 130x155 200 180x196 92
38x50 330 65x80 240 100x110 104 135x160 200 180x205 150
38.1x50.8 335 65x85 320 100x114 146 140x153 96 180x210 175
40x44 104 70x80 148 100x115 156 140x155 115 180x216 208
40x46 156 70x82 178 100x116 166 140x160 148 180x225 260
40x48 208 70x85 238 100x120 208 140x165 185 200x216 83
40x50 260 70x90 297 100x125 260 140x170 225 200x220 100
40x55 390 75x85 138 100x130 312 145x170 180 200x232 166
40x60 520 75x90 208 101.6x117.48 160 145x175 220 200x242 210
45x55 231 75x95 270 105x120 150 150x160 70 203.2x228.5 130
45x60 346 76.2x88.9 170 105x125 200 150x163 90 203.2x241.3 195
50x55 104 76.2x92.07 220 107.95x125 170 150x168 125 220x260 190
50x57 145 80x87 90 110x120 95 150x170 140 225x254 135
50x58 166 80x89 117 110x125 142 150x175 173 225x274 226
50x60 208 80x90 130 110x130 189 150x180 210 250x267 71
50x65 312 80x95 195 110x135 240 152.4x171.5 130 250x290 170
50x70 416 80x100 260 114.3x133.35 180 152.4x177.8 170 250x298 200
50.8x63.5 260 82.55x92.07 130 115x130 140 160x172 78 300x318 62
55x65 189 82.55x95 160 115x135 185 160x178 117 300x355 195
55x70 283 82.55x98.4 200 120x132 104 160x180 135  
57x70 240 85x95 122 120x135 130 160x185 162  
60x70 173 85x100 190 120x140 173 160x190 195  

 

We could not find any corresponding parameters, please add them to the properties table
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