Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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Bright Annealed Stainless Steel Tubing DIN 17458 EN10216-5 TC 1 D4 / T3 1.4301/1.4307 25.4 X 2.11 X 6096 MM
YUHONG SPECIAL STEEL deal with Austenitic Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ) seamless and welded pipe and tube already more than 25 years, every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Korea, Singapore, Austrial, Poland, France , ....And our group branch company and factory have been already approved by :ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004.
Characteristic: With cold press (mainly cold rolling), the gas protects heat treatment, with high precision:
ID:Ra≤0.4μm,OD:Ra≤0.8μm；Mainly for precision instrument, Hydraulic pressure system, exhaust gas
system etc.
Standard: ASTM/ASME A/SA213, A/SA269, DIN17458/17457, EN10216-5 D4 /T4 /10217-7. After negotiation, we can
supply pipe with customers’ requirement.
Material Grade: 1.4301,1.4307,1.4948, 1.4821, 1.4845, 1.4401, 1.4404, 1.4406, 1.4571, 1.4539, 1.4438, 1.4541, 1.4550, 1.4912, 1.4462, 1.4362, 1.4410, 1.4501 etc also ASTM, GOST, JIS grades available, other grade can also be provided after consulting with customers.
Size Range:Seamless Tube(OD: Φ6mm-Φ76mm WT: 0.15mm-4.0mm, Length:Max. 500M/pc)
Some of the quality tests carried out by us includes:
| Corrosion Test | Conducted only when specially requested by the client |
| Chemical Analysis | Test done as per required quality standards |
| Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
| Reverse-bend and Re. flat tests | Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end |
| Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
| Hydrostatic Testing | 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s . |
| Air Under Pressure Test | To check any evidence of air leakage |
| Visual Inspection | After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections |
Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:
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Main Test of ss sml tube :
EDDY CURRENT TEST EN 10249-3 E3H
US-TEST EN 10246-7 U3B
TENSILE TEST EN ISO 6892-1
FLATTENING TEST EN ISO 8492
DRIFT EXPENDING TEST EN ISO 8493
LEAK-PROOF TEST EN 10246-1
Application :
Air Cylinder Tubing,
Automotive fuel lines,
Heat Exchanger Tubing,
Hydraulic Cylinder Tubing,
Precision Mechanical Tubing,
Sanitary service,
Thermo couples
