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Help CenterPrecision Steel Tubing ST52 and Q345 Steel Tube in Diference Size ISO System
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Precision steel tubing ST52 and q345 steel tube in diference size ISO system
What we want to say:
Dear Sir/Madam, Welcome~
We are Yantai Xinpeng Steel Pipe Co.,Ltd
♦ Professional tube manufacturer which have over 20years experience
♦High reputation in tube world benefit by competitive price, quality and service.
♦ Supply all kinds of steel pipes such as:
√ hot rolled/cold drawn seamless steel pipes
√ honed and skived pipes
√ cold drawn welded tubes(DOM tubes)
♦ Our Website: http://ytxinpeng.en.china.cn
About our productions:
| Production Details: | |||||
| Grade: | 20#(CK20,AISI1020),45#(CK45,AISI1045),Q345,ST52(16Mn,Q345D), 42CrMo,25Mn (STKM13C-T),27SiMn.etc cold drawn seamless pipes | ||||
| ID: | 50-250mm | ||||
| ID tolerance: | H8,H9 | ||||
| Surface roughness: | Ra 0.02—0.4μm | ||||
| Final supply condition: | cold drawn and stress-relieved(BK+S) | ||||
| Machining allowance: | 0.5-1.5mm | ||||
| Wall thickness: | 10%×ID | ||||
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| 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 |
| Variety : | |||||
| Processing | Cylinder Diameter | Straightness | Size Accuracy | W.T/mm | Inner Bore Roughess |
| Cold drawn/cold rolled | ID30-250 | 0.3 | H9-H11 | ±10% | 0.4~1.6um |
| Honed tube | ID50-250 | 0.3 | H7-H9 | ±10% | <0.4um |
| Tolerance on ID: | ||
| No. | Inside diameter (mm) | ID machining allowance (mm) |
| 1 | 300-80 | 0.5-0.8 |
| 2 | 81-125 | 0.7-1.1 |
| 3 | 125-200 | 0.9-1.2 |
| 4 | 200-250 | 1-1.5 |
| Other dimension can be customize | ||
About our work flow:
About our package:
About our test equipment:
About our company:
About our certificate:
About our business partner:
About our deliver conditions:
1. Standard packing with plastic caps and strapped bundles.
2. Commercial length 2000~10500mm,custom lengths upon request
3. Surface protection
About our service:
1. Cargo track service during transporting and feedback service after cargo is loaded on board
2. Flexible terms of payment by T/T and L/C
3. Big discount for repeat customers
4. Smooth delivering procedure
♥ If you are interested in us, please feel free to contact us:
<Thank you so much for all of your concern and precious time! ♥>
Send Inquiry to This Supplier
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