Duplex steel u tube,U bend Stainless Steel Heat Exchanger Tubing, Boiler Tube with PED , ISO 9001 certificates
Zheheng steel is one incorporate of manufacturer, trader ,consultant ,stockist company specialized in the area of stainless steel U tube,U bend stainless steel heat exchanger tubing ,ss stainless steel boiler tube ,high quality stainless steel seamless U bend tubingf, manufacturer for ss stainless steel u tube ,304 seamless stainless steel U shaped tube ,321 seamless stainless steel U bend tube,347H smls stainless steel u tube for heat exchanger tubes , all kinds of ASTM ,ASME ,DIN ,JIS ,GB standard U tubes and pipe fittings ,valves and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in stainless steel field ,especially in heat exchanger tubing and large diameter pipes with ultra-long, ultra-thin, ultra-thick or ultra-large various and some special-purpose projects
Stabilizing Heat Treatment
Subsequent to the solution anneal required in Section 6, Grades TP309HCb, TP310HCb, TP310HCbN, TP321,TP321H, TP347, TP347H, TP348, and TP348H shall be given a stabilization heat treatment at a temperature lower than that used for the initial solution annealing heat treatment. The temperature of stabilization heat treatment shall be at a temperature as agreed upon between the purchaser and vendor
Product description :
| Brand: | RONSCO,BAOSTEEL, JISCO, TISCO, etc. |
| Material: | 201.202.301.302.304.304L.310S.316.316L.321.430.430A.309S. 2205.2507.2520.430.410.440.904Lect. Or Customized |
| Standard: | GB, AISI, ASTM, ASME, EN, BS, DIN, JIS |
| Size: | ANSI /ASME size is under,other standard of size is for ready choice,O.D.:0.23''to 48''(5.8-1219mm)W.T.:0.04''to 2''(1.0-50.8mm) |
| Length: | Max.18 Meter,NPS 1/8''-48'' Schedule:5/5S,10/10S,20/20S,40/40S,80/80S,120/120S,160/160S according to ANSI B36.19/36.10 |
| Surface: | Satin Finish(180#.240#.320#).,Bright Finish(400#,600#,mirror),Mill Finish(2B),Hairline-Finish(HL/Brushed),Ti-gold, Glossy matt,dull and so on. |
| Application: | Decoration, construction and upholstery, etc |
| Package: | Each tube in a plastic bag with size label outside and pack in small bundles or according to customer request |
| Lead Time: | 7-10days for one FCL Or according to order list detail |
| Payment: | A: 100% T/T advance. ( For small order.) B: 30% T/T and balance against copy of documents.
C: 30% T/T advance, balance L/C at sight D: 30% T/T , balance L/C usance
E: 100% L/C usance. F: 100% L/C at sight. |
| Sample: | we could offer the sample for free charge but do not pay the cost of freight. |
Heat Treatment Assurance
A full-automatic natural gas furnace with 24 meters in length.The real temperature tolerance could be within 10℃.
QUALITY CONTROL
1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking
Product show:
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Duplex Stainless Steel U Pipe For Boiler Cold Rolling With PED ISO 9001 Approved Images
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