Wuxi Jinlifang Seiko Technology Co., Ltd.
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Gold Index: 4249
Place of Origin: | Zhejiang, China (Mainland) |
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carbon steel pipe / carbon steel honed tubes, Seamless Steel Equipment Tube 1
Specifications
Material: 20# 45# 16 Mn 27SiMn 25Mn
Standard: GB/T8713-88 GB/T3639-2000 DIN 2391 EN10305
Straightness:0.3~0.8mm/m
1. MATERIAL SPECIFICATION
ST52,BK+S,DIN2391,ASTM A 106
2. CHEMICAL COMPOSITION (%)
Grade Elements |
C(max) |
Si(max) |
Mn |
P |
S(max) |
ST35 |
0.17 |
0.35 |
≥0.40 |
0.025 |
0.025 |
ST42 |
0.21 |
0.35 |
≥0.40 |
0.025 |
0.025 |
ST52 |
0.22 |
0.55 |
≤1.60 |
0.025 |
0.025 |
3. MECHANICAL PROPERTIES of ST52 hydraulic cylinder tube
Elongation(Min) Y.S (Min.) UTS (Min.)
≥15 470 N/MM2 580 N/MM2
4. SUPPLY CONDITION
Cold drawn seamless steel tube, honed tubes,Skived and rolling tubes.
5.Dimension tolerance:
Size of I.D |
I.D Tolerance |
Tolerance of wall thickness |
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H8 |
H9 |
H10 |
±5% |
|
30 |
+0.033 |
+0.052 |
+0.084 |
|
>30-50 |
+0.039 |
+0.062 |
+0.100 |
|
>50-80 |
+0.046 |
+0.074 |
+0.120 |
|
>80-120 |
+0.054 |
+0.087 |
+0.140 |
|
>120-180 |
+0.063 |
+0.100 |
+0.160 |
|
>180-250 |
+0.072 |
+0.115 |
+0.185 |
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Wuxi Jinlifang Seiko Technology Co., Ltd. [China (Mainland)]
Business Type:Manufacturer |