High quality with low price, Good reputation with professional service;High efficiency; Mutual benefits-YR reliabable Partner.
| Commodity | Galvanized pipe (Pre galvanized, Hot dipped galvanized)• All products are made of high-quality raw materials.• Our products are certified by ISO9001:2008 authentication quality systems.• we are nominated as the AAA enterprise by Tianjin government. | ||
| Shape | Round pipe | Square pipe | Rectangular pipe |
| Outer diameter | 17-1820mm | 15*15-1000*1000mm | 10*20-700*300mm |
| Wall thickness | 0.6-14mm | 0.6-25mm | 0.6-25mm |
| Length | 4m-14m or as customers' requirements | ||
| Standard | BS1387-85,GB/T3091-08,DIN2440,JIS-G3444,EN10255,ASTM A53, | ||
| Zinc coating | Pre galvanized steel pipe: 60-150g/m2;Hot dipped galvanized steel pipe: 200-400g/m2 | ||
| End finish | Plain/ beveled ends or threaded with sockets/coupling and plastic caps. | ||
| Material | Q195 Q215 Q235 Q345 St37 St52 St37-2 10# 20# 16Mn | ||
| Usage | Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture, Lowpressure fluid pipe for water oil or gas, Boiler pipe. | ||
| Place of origin | Tianjin,China | ||
| HS Code | 7306309000 | ||
| Productivity | 6000Mts/Month | ||
| Inspection | With hydraulic testing, eddy current and infrared test | ||
| Packing | In bundles, packed in woven bag; in loose; or request. | ||
| Delivery time | Within 20 days after the prepayment | ||
| Payment Terms | 1) Payment term : T/T ;L/C;D/P 2) Trade Terms : FOB / CFR /CIF3) Minimum quantity of order : 20 MT | ||
| Others | 1:Special design available according to requirement 2:Pipe can be necked dowm, punching hole on pipe wall. 3:Pipe fittings, elbows are available.4.All production process are under the ISO9001:2000 strictly | ||
1. MATERIAL SPECIFICATION AND REF. DOCUMENT
ST52,BK+S,DIN2391 OR Equivalent
2. CHEMICAL COMPOSITION (%)
C (Max) Mn(Max) Si(Max) S(Max) P(Max)
0.22 1.6 0.5 0.035 0.035
3. MECHANICAL PROPERTIES
Elongation(Min) Y.S (Min.) UTS (Min.)
≥15 470 N/MM2 580 N/MM2
4. SUPPLY CONDITION
Cold drawn seamless steel tube, stress relieved and honed or skived roller burnished
5. SURFACE ROUGHNESS
Ra = 0.4~0.8Micron
6. TOLERANCES ON INNER DIA
ISO H8 H9
7.TOLERANCES ON WALL THICKNESS
≤ Dia120 +/-10 % of wall thickness
≥ Dia120 +/-10 % of wall thickness
8. STRAIGHTNESS
≤1 mm/M
9. OD TOLERANCE
≤ Dia 40 +/-0.2 mm
≥ Dia 40 ≤ Dia 100 +/-0.3mm
≥ Dia 100 +/-0.5mm
10. LENGTH AND CUT TOLERANCE
Length ≤ 500mm , +2mm
> 500mm ≤ 2000mm, +3mm
> 2000mm ≤ 5000mm, +5mm
> 2000mm ≤ 7000mm, +10mm
11. TUBE ENDS
Tube ends shall be cut nominally square to the axis and free from burs
12. APPEARANCE
Tube shall have a smooth internal and external surface consistent with cold working
process, tube inner surface should be free from rust, scratches and other surface
irregularities.
13. CERTIFICATION
Material certificates will be send to u if want.
14. PACKING
Anti rust oil to be applied on material and both ends closed by plastic cap and
bundled by steel strips,braiding parcel.
15. SCOPE
Hydraulic cylinder tube for swivel crane, injection machine and construction
machine application
Factory:
Alloy tube
