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DIN 2391-2 seamless honed steel tubing
- 12000 Ton / Tons per Month
- Shanghai Port China for DIN 2391-2 seamless honed steel tubing
- T/T L/C D/P D/A
Product Details
Thickness: | 4, 50 | ||||
Section Shape: | Round | Outer Diameter: | 40 - 325 mm | Place of Origin: | Jiangsu, China |
Secondary Or Not: | Non-secondary | Application: | Hydraulic Pipe | Technique: | Cold Rolled |
Certification: | Other, ISO9001-2008 or Third party | Surface Treatment: | Other, Internal honing,internal skiving and roller burnishing,external machin | Special Pipe: | Thick Wall Pipe |
Alloy Or Not: | Non-alloy |
Product Description
1. Commodity: DIN 2391-2 seamless honed steel tubing
2. Manufacture method: cold drawn, cold rolled
3. Internal surface treatment method: honing or skiving&roller burnishing
4. Size range: 60mm*50mm - 480mm*450mm
5. Standard&material: EN 10305-1 E355,C45E,34CrMo4,42CrMo4,DIN 2391-2 ST52,ST52.3,ST52.4, ASTM A519 SAE1020,SAE1045,SAE1026,SAE4130,SAE4140,etc.
6. Delivery condition: BK, BKW, BK+S, GBK, NBK.
7. OD tolerance: as per DIN2391-1, EN10305-1, ASTM A519 or as per customer's requirement.
8. ID tolerance: H7,H8,H9,H10, or given by customer.
9. Wall Thickness tolerance (eccentricity): +/-5%
10. Roughness of internal surface(Ra):0.25um max for skived&roller burnished tube, 0.4um max for honed tubes.
11. Ovality of OD: 0.15mm max for tubes with OD below 150mm, 0.25mm max for tubes with OD above 150mm.
12. Straightness: 0.5mm/1000mm max for tubes below 3000mm, 0.8mm/1000mm max for tubes between 3000mm and 6000mm, 1.2mm/1000mm for tubes above 6000mm.
Classification of ID tolerance for honed tubes:
ID / MM | H7 | H8 | H9 | H10 |
30<ID≤50 | +0.025/-0 | +0.039/-0 | +0.062/-0 | +0.100/-0 |
50<ID≤80 | +0.030/-0 | +0.046/-0 | +0.074/-0 | +0.120/-0 |
80<ID≤120 | +0.035/-0 | +0.054/-0 | +0.087/-0 | +0.140/-0 |
120<ID≤180 | +0.040/-0 | +0.063/-0 | +0.100/-0 | +0.160/-0 |
180<ID≤250 | +0.046/-0 | +0.072/-0 | +0.115/-0 | +0.185/-0 |
250<ID≤315 | +0.052/-0 | +0.081/-0 | +0.130/-0 | +0.210/-0 |
315<ID≤400 | +0.057/-0 | +0.089/-0 | +0.140/-0 | +0.230/-0 |
400<ID≤500 | +0.063/-0 | +0.097/-0 | +0.155/-0 | - |
Tubes will be packed in bundles tied with steel strips, internal and external oil coating for anti rust protection, end plastic caps will be added to both ends.
Shipment: by containers.
We can ship the tubes based on FOB,CFR,CIF or DAP term.
We manufacture honed tubes from 40mm*30mm to 480mm*450mm with length upto 7000mm. External surface can be machined or polished as per customer's requirement.
Payment method:30% deposit,balance before shipment or against copy of B/L or L/C at sight.
MOQ: 4 tons for each size.
Warranty: 1 year after shipment of tubes.
Third party inspection or customer's inspection is acceptable.
Addtional tests or inspections like hardness test,grain size test,metallical phase test,ultrasonic test is acceptable.
Contact Us
- Changzhou Chengxin Metal Products Co., Ltd.
- Contact nameJianjun Chen
- Phone86-519-88771678
- AddressXinnan Village,Yaoguan Town,Wujin Dist Changzhou,Jiangsu
Bimetal Composite Tube | Boiler steel tube | Hydraulic cylinder tube | Machined products |
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