High quality St52 Cold Drawn DIN2391Seamless steel pipe
USD $0.7 - $0.9 /Metric Ton
Min.Order:3 Metric Tons
Yantai Xinpeng Steel Pipe Co., Ltd.
Commodity name: High quality Cold Drawn Seamless DIN2391 St52 steel pipe
1.Grade:20#(ck20,aisi1020),45#(ck45,aisi1045),st52(16Mn,Q345D),25Mn(STKM13C-T),27SiMn
2.ID:30-250mm
3.ID tolerance:H8,H9
4.Surface roughness:Ra 0.02— 0.4μm
5. Final supply condition:cold drawn and stress-relieved(BK+S)
6. Machining allowance:0.5-1.5mm
7.Wall thickness:10%×ID
Variety
Processing | Cylinder Diameter | Straightness | Size Accuracy | W.T/mm | Inner Bore Roughess |
Cold drawn | ID30-250 | 0.3 | H9-H11 | ±10% | 0.4~1.6um |
Honed tube | ID50-250 | 0.3 | H7-H9 | ±10% | <0.4um |
Mechanics performance
Material | Tensile strength | Yield strength | Elongation | Hardness |
Ck20/20#/AISI1020 | >520 N/ mm2 | >375 N/mm2 | >15% | >85HB |
Ck45/45#/AISI1045 | >600 N/ mm2 | >520 N/ mm2 | >15% | >85HB |
ST52/16Mn/Q345D | >600 N/ mm2 | >520 N/ mm2 | >15% | >85HB |
25Mn/STKM 13C-T | >600 N/ mm2 | >530 N/ mm2 | >15% | >85HB |
Dimension tolerance
ID size | ID deviation (mm) | |||
H7 | H8 | H9 | H10 | |
30 | +0.021 0 | +0.033 0 | +0.052 0 | +0.084 0 |
>30~50 | +0.025 0 | +0.039 0 | +0.062 0 | +0.100 0 |
>50~80 | +0.030 0 | +0.046 0 | +0.074 0 | +0.120 0 |
>80~120 | +0.035 0 | +0.054 0 | +0.087 0 | +0.140 0 |
>120~180 | +0.040 0
| +0.063 0 | +0.100 0 | +0.160 0 |
>180~250 | +0.046 0 | +0.072 0 | +0.115 0 | +0.185 0 |
>250~315 | +0.052 0 | +0.081 0 | +0.130 0 | +0.210 0 |
>315~400 | +0.0527 0 | +0.089 0 | +0.140 0 | +0.230 |
The size we can work and available in stock
45*30 | 48*31.75 | 50*40 | 55*45 |
60*50 | 60*45 | 63*50 | 63*55 |
70*50 | 70*57 | 73*63 | 75*50 |
75*55 | 75*60 | 75*65 | 80*65 |
80*70 | 90*75 | 94*80 | 95*80 |
98*85 | 100*85 | 105*90 | 111*95 |
112*95 | 116*100 | 118*100 | 123*105 |
124*110 | 128*110 | 134*115 | 140*120 |
141*120 | 146*125 | 152*130 | 154*130 |
158*135 | 160*135 | 165*140 | 176*150 |
Material: 25Mn( STKM13CT) 16Mn(Q345B Q345D, St52 ) 10# (St37.2) 20# (1020 S20C CK20 St45) 45#(ck45 S45C) Standard: GBT3639 Din2391 En10305 |
Delivey conditions:
We can supply cold drawn/cold rolled seamless tube,honed tube,hydraulic tube,hydraulic cylinder tube. Please feel free to contact us.
SRB
Testing
Finished honed tube
Application:
hydraulic cylinder tube st52 din2391 widely used in hydraulic system with precision steel tube, injection molding machine with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting machine, shoe making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automotive high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, forestrymachinery, etc.
About our service:
1. Cargo track service during transporting and feedback service after cargo is loaded on board
2. Flexible terms of payment by
3. Big discount for repeat customers
4. Smooth delivering procedure
5. Payment Terms: T/T , L/C And so on.
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