best technical specification of cold drawn seamless steel tube
USD $0.5 - $1.5 /Metric Ton
Min.Order:5 Metric Tons
Yantai Xinpeng Steel Pipe Co., Ltd.
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our company located in coastal city -Yantai,with convenient transportation,and our company mainly produces various specifications of cold finished precision steel tube ,wich are widely used in hydraulic and pneumatic cylinder for automobile ,engineering machinery ,textil machinery ,printing machinery ,oil drilling and other field.
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Product Item | best technical specification of cold drawn seamless steel tube |
Outer Diameter | 30mm~250mm |
Wall Thickness | 2mm~30mm |
Material Grade | 10#-45#, 16Mn, Q195-Q345, ST35-ST52, STB35-STB42, 20#, 45#, 16Mn, Q345, ST35, St45, St52, St52.4, STB42, 16Mn,St52,10#-45#,ST35-ST52 |
Standard | ASTM, DIN, ASTM A1020-2002, DIN 2391 |
Application | Hydraulic Pipe, Hydraulic cylinder, automobile, oil drilling, textile machinery |
Certificate | ISO9001:2008 |
Process Method | Cold Drawn/ Cold Rolled |
Surface Finish | Annealed, Pickled |
Package | According to the customer’s requirement |
Delivery Time | 10days more or according to the customer’s requirement |
Price Item | FOB CIF EXW |
Payment | T/T(30% in advance, 70% against the BL Copy) and L/C at sight or as negotiation |
ID tolerance | H8,H9b H10 or as customized |
Surface roughness | Ra0.2~0.8µm |
Finally supply condition | BK BKS BKW NBK GBK |
about the dimension
40*50 | 90*110 | 140*170 | 190*215 |
40*55 | 95*110 | 145*170 | 190*220 |
50*60 | 95*115 | 150*170 | 190*225 |
50*65 | 100*110 | 150*175 | 200*220 |
55*70 | 100*114 | 150*180 | 200*225 |
60*70 | 100*115 | 155*180 | 200*230 |
60*75 | 100*120 | 160*175 | 200*245 |
60*78 | 100*125 | 160*180 | 200*250 |
63*73 | 105*125 | 160*185 | 220*250 |
63*75 | 110*125 | 160*190 | 220*270 |
63*76 | 110*130 | 160*195 | 225*250 |
63*78 | 115*130 | 165*190 | 240*273 |
65*80 | 115*135 | 165*205 | 250*290 |
70*80 | 120*140 | 170*200 | 250*300 |
70*82 | 125*140 | 180*200 | 260*300 |
70*85 | 125*145 | 180*205 | 280*323 |
70*90 | 125*150 | 180*210 | 280*355 |
75*90 | 130*150 | 180*215 | 300*350 |
80*92 | 130*155 | 180*220 | 200*213 |
80*95 | 130*160 | 185*205 | 200*216 |
80*100 | 135*160 | 185*215 | 250*266 |
85*100 | 140*160 | 185*220 | |
90*105 | 140*165 | 190*210 |
the tolerance of dimension
OD | GB/T3639(GB8713) | DIN2391(EN10305) | Our Tolerence | Best Quality |
4-30mm | ±0.10mm | ±0.08mm | ±0.05mm | ±0.02mm |
31-40mm | ±0.15mm | ±0.15mm | ±0.05mm | ±0.03mm |
41-50mm | ±0.20mm | ±0.20mm | ±0.05mm | ±0.03mm |
51-60mm | ±0.25mm | ±0.25mm | ±0.08mm | ±0.03mm |
61-70mm | ±0.30mm | ±0.30mm | ±0.10mm | ±0.05mm |
71-160mm | ±0.30mm | ±0.30mm | ±0.10mm | ±0.05mm |
Tolerance in WT | ±0.12mm | ±0.10mm | ±0.05mm | ±0.03mm |
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Process | Diameter | Length | Precision | Inner Hole Roughness |
Cold Rolled | 30-100mm | ≤12 m | H8-H10 | 0.4-1.6 |
Cold Draw | 30-250mm | ≤12 m | H8-H10 | 0.8-1.6 |
Honing | 40-500mm | ≤12 m | H8-H9 | 0.4-0.8 |
Rolling | 40-400mm | ≤7 m | H8 | 0.4 |
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Inner Diameter | H8 | H9 | H10 |
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30mm | ±0.033 | ±0.052 | ±0.084 | 5-30mm |
30-50mm | ±0.039 | ±0.062 | ±0.100 | ±0.080 |
50-80mm | ±0.046 | ±0.074 | ±0.120 |
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80-120mm | ±0.054 | ±0.087 | ±0.140 |
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120-180mm | ±0.063 | ±0.100 | ±0.160 |
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180-250mm | ±0.072 | ±0.115 | ±0.185 |
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250-315mm | ±0.081 | ±0.130 | ±0.210 |
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315-400mm | ±0.089 | ±0.140 | ±0.230 |
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our packaging and shipping
(1)Delivery time: In 20 days or according to client's requires
(2)Trade terms: EXW/FOB/CIF etc
(3)Payments: T/T or L/C or according to client's requires
(4)Port: Yantai or Qingdao
(5)MOQ: 5 metric tons or at customer's demands
(6)Packing: we usually bundle with steel strips ,branding parcel or wooden box outside ,or according to the customer’s acquirement
our services
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.
our processing
FAQ
Why you choose us?
•Our company established in December 1992, so we have 23years experience in tube manufacture
•We have the best service, quality, competitive price, and high reputation in the tube world
•We can supply all kinds of steel pipes such as:
∞hot rolled/cold drawn seamless steel tubes
∞precision steel tubes
∞honed and skived tubes
∞cold drawn welded tubes (DOM tubes)