stainless steel coiled tubing chemical composition

ASTM A269/ A213 317 / 347 / 347H seamless stainless steel U bend heat exchanger tube for oil industry

317 / 347 / 347H U bend tubes manufacturer, 317 / 347 / 347H stainless steel U shaped tubes exporter,ASTM a213 317 / 347 / 347H u bend tubes stockholder ,317 / 347 / 347H stainless steel heat exchanger tubes for heat exchanger tube supplier in china

it is widely used in light industry,heavy industry,daily necessities and the decoration industry.my company long-term supply ASTM A269/ A213 317 / 347 / 347H seamless stainless steel U bend heat exchanger tube for oil industry, products including:stainless steel sheet,stainless steel coil and stainless steel 317 / 347 / 347H U bending tube.​ stainless steel u tube for heat exchanger tubes for oil industry

Process :

1 . We use Cold Drawn techonology to produce U bend tube
2 . U bend tubes produce will accordance to customer’s drawings
3 . To avoid oxidation , inert gas (Argon) is passed through tubes ID at the required flow rate
4 . The radius is checked for its OD and wall thinning with the recommended specification
5 . We’ll choose three different position or as customer’s require to make sure tubes quality . We’ll do physical properties and micro-structure test
6 . Visual inspection for waviness and cracks is done with Dye Penetrant Test
7 . Each tube is then hydro tested at the recommended pressure to check for leakage

Production details description:

Standard ASTM A554/EN10296-2
Single slot round tube
38.1 (15×15) ; 42.4 (24×24) ; 48.3 (27×30) 50.8 (15×15) ;50.8(20×20) ; 63(20×20) ;

63 (25×25); 76(25×25)

Single slot square slot tube 32×32 (15×5);38×38(15×15); 40×40(20×20);40×40(15×15);50×50(20×20);50×50(15×15)
Single slot rectanguler tube 38×25(20×15); 50×25(15×15); 50×25(25×25)
Thickness 0.6mm-3mm
Thickness Tolerance +/-10%
Length Tolerance +/-8mm
Outside Diameter Tolerance According to ASTM A554 standard
Application Handrail system, furniture,display shelf,sanitary wares,machinery equipment, automobile
Packaging Each Tube packed by plastic bag individully and then packed by hollow plate and weaving bag.
Production Range:

stainless steel coiled tubing chemical composition

Austenitic Steel: TP304,TP304L,TP304H,TP304N, TP310S,TP316,TP316L,TP316Ti,TP316H,
TP317,TP317L, TP321, TP321H,TP347, TP347H,904L…
Duplex Steel : S32101,S32205,S31803,S32304,S32750, S32760
Others:TP405,TP409, TP410, TP430, TP439 …
Russia Standard
08Х17Т,08Х13,12Х13,12Х17,15Х25Т,04Х18Н10,08Х20Н14С2, 08Х18Н12Б,
10Х17Н13М2Т,10Х23Н18,08Х18Н10,08Х18Н10Т, 08Х18Н12Т,08Х17Н15М3Т,
12Х18Н10Т,12Х18Н12Т,12Х18Н9, 17Х18Н9, 08Х22Н6Т,
European Standard 1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,
1.4438,1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501
Heat Treatment Assurance

A full-automatic natural gas furnace with 24 meters in length.The real temperature tolerance could be within 10℃.

Standard Specification:

1, A312/A312 M Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
2, A213/A213 MSeamless Ferritic and Austenitic Alloy-Steel Boiler,Superheater, and Heat-Exchanger Tubes
3, A269 Seamless and Welded Austenitic Stainless Steel Tubing for General Service
4, A270 Seamless and Welded Austenitic Stainless Steel Sanitary Tubing
5, A 249/A 249M Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
6, A 358/A 358M Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service
7, A 409/A 409M,Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
8, A 554 Welded Stainless Steel Mechanical Tubing