Austenitic
Duplex Steel
Nickel Alloy
Cobalt Alloy

1.4948 forging, sheet, coil, and profiledstrip, Deformed steel, flat steel, mould, steel wire, have all specifications. With DuoNian production experience, strict control 1.4948 chemical composition and 1.4948 mechanical properties. From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.

Chemical Composition %

	C	Mn	P	S	Si	Ni	Cr	Mo	Ti	N	Ce
TP304H	0.04-0.1	2.00	0.045	0.030	1.0	8-11	18-20
S30415	0.04-0.6	0.80	0.045	0.030	1-2	9-10	18-19			0.12-0.18	0.03-0.08
1.4948	0.04-0.08	2.00	0.035	0.015	0.75	10-12	17-19			0.11

Mechanical propertoes

	Tensile strength(Mpa)	Yield point(Mpa)	Elongation(%) Longitudinal	Elongation(%) transverse
TP304H	515	205	35	25
S30415	600	290	35	25
1.4948	500-700	185	40	30

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We have products:

Stainless steel pipe fittings; U bend tube; Sanitary polish tube; Coiled Tubing for Heat exchanger; Stainless steel Precision tubing, BA tubing; Annealed & Pickled Pipe/Tube; Instrument tubing, Hydraulic tubing; Structure and machining pipe Casing Tube; Stainless steel hexagon pipe seamless hexagonal shape; ASTM A249 stainless steel pipe condenser tube; Sheathed multicore tubing & single core tubing; ASTM A403 Stainless Steel Pipe Fitting Of Elbow 90 Degree LR; ASTM A269 / A213 / EN10216-5 TC 1 D4 / T3 Stainless Steel Seamless Pipe , Cold Rolled Pipe; DN80 Stainlss Steel Sesamless Annealed & Pinkled Pipe For Fluid And Gas Transportation; EN10216-5 D4 / T3 Plain End Stainless Steel Seamless Pipe , 14 BWG , 18 BWG , 20 BWG; EN10216-5 D4 / T3 Stainless Steel Seamless Pipe , 1.4306 , 1.4301 , 1.4541 , 1.4404 , 1.4401; TP304 / 1.4301 Stainless Steel Seamless Pipe Pickling And Annealing; ASTM A312 Stainless Steel Welded Pipe 1.4301 / 1.4404 / 1.4306 / 1.4401; ASTM A312 TP304 Stainless Steel Welded Pipe , 168.3mm ⅹ 3.4mm , 6 Inch Sch10 / Sch10s , Welded Steel Pipe; 609.6 x 6.35 mm Stainless Steel Welded Pipe 1.4301 For Fluid Industry; ASTM A789 Stainless Steel Welded Pipe 1.4301 , 609.6 x 6.35 mm; 304 / 316 Annealed Pickled Welded Stainless Steel Pipes , Industrial Pipe; TP304 , TP304L , TP316 , TP316L Stainless Welded Pipe , ERW / EFW; ASTM A249 304L / 316L Stainless Steel Welded Tube For Heat Exchanger; 9.53 * 0.89MM Super Long Coiled Tubing , 300 Series Stainless Steel Material , ASTM A269 / A213; ASTM A269/A213 stainless steel Bright Annealed Tube , Seamless Round Tube; ASME B16.5 Flanges Pipe Fittings , Blind 150LB RF; ASTM A403 Flanges Pipe Fittings Tee , Straight Tee / Reducing Tee For Pipe Connection; F304 Stainless Steel Flange For Connection , WNRF SCH80 A / SA182 150 Class; ASTM A403 Flanges Pipe Fitting , Concentric & Eccentric Reducer For Pipe Connection; ASTM A403 Stainless Steel Pipe Fitting , BW ( Butt Welded ) Fittings; ASTM A815 Stainless Steel Butt Welded Fittings, Reducing Tee For Connection; ASME / ANSI B16.5 Stainless Steel Cap , Butt Welded Stainless Steel Pipe Fitting; ASTM A182 Stainless Steel Reducer Pipe Fitting For Connection; ASTM A182 F304 / 304L 150-2500LB Stainless Steel Blind Flange FF; DIN2628 Class 1500 Stainless Steel Socket Welding Flange; ASTM A182 CL150 - CL2500 Stainless Steel Socket Welding Flange; DIN2566 1.4306 Stainless Steel Threaded Flange; F304 / 304L Stainless Steel Threaded Flange, Class 300; ASTM A182 CL150 - CL2500 Stainless Steel Socket Welding Flange; ASTM A815 Stainless Steel Butt Welded Fittings , Equal & Reducing Tee; Stainless Steel Flanges Pipe Fittings 300 Series Raw Material ISO 9001 / PED; TP304 / 304L Welded Stainless Steel Coiled Tubing For Multi-core Tube; TP316 / 316L ASTM A269 Stainless Steel Welded Multi-core Coilded Tube For Fuild Industry; ASTM A213 S30400 / S30403 Stainelss Steel Multi-core Coiled Tubing; ASTM A269 S30403 / S31603 Stainless Steel Welded Coiled Tube For Multi-core Tube; TP304 / 304L 1.4301 / 1.4306 Stainless Steel Welded Single-core Coiled Tube; ASTM A213 304 / 304L 1.4301 / 1.4306 Stainless Steel Welded Multi-core Coiled Tube; ASTM A213 6.35mm TP304L Stainless Steel Super Long Coiled Tube For Control Line​; TP304L / 1.4306 Small Diameter Stainless Steel Welded Super Long Coiled Tube For Cable Industry; ASTM A269 / ASME SA269 1 / 4 Inch Stainless Steel Welded Super Long Coiled Tube; 1 / 8 Inch TP304 / 304L Stainless Steel Welded Super Long Coiled Tube For Food Industry; S30400 / S30403 ASME SA269 Stainless Steel Welded Super Long Coiled Tube For Cable Industry; 9.53mm TP304L / 316L Stainless Steel Welded Super Long Coiled Tubing For Medicine Industry; ASTM A213 / A269 S30400 / S31600 Stainless Steel Welded Super Long Coiled Tube; 3 / 8 Inch ASTM A269 Small Diameter Stainless Steel Welded Super Long Coiled Tube​; EN10216-5 300 Series Stainless Steel Coiled Tubing Bright Annealed Surface; 20BWG 0.89mm Wall Thickness ( WT ) Stainless Steel Coiled Tubing ASTM A213 Standard; ASTM A269 Seamless Stainless Steel Coiled Tubing Suitable For Pre-insulated Tubing; 1.4404 / 1.4301 Size 9.53*20 BWG Stainelss Steel Coiled Tube For Oil And Gas; 1.4404 / 1.4306 / 1.4407 ASTM A213 Stainless Steel Seamless Coiled Tube For Fuild And Gas Industry; S30400 / S30403 EN10216-5 Stainless Steel Seamless Coiled Tubing; Tubing capilar sin costura de acero inoxidable ASTM A269 TP304 / 304L de 1/4 pulgadas para petróleo y gas; 1 / 2 Inch ASTM A213 TP316 / 316L Stainless Steel Seamless Coiled Tube For Instrument; ASTM A213 / ASME SA213 TP304 / 304L Stainless Steel Welded Marine Multi-core Coiled Tube; ASTM A269 / ASME SA269 Stainless Steel Welded Super Long Multi-core Coiled Tube For Marine; S31603 / S30403 Stainless Steel Small Diameter Welded Marine Multi-core Coiled Tubing; 1 / 2 Inch Sch10s Small Diameter Stainless Steel Welded Marine Multi-core Tubing; ASTM A269 TP316L / 304L Stainless Steel Welded Super Long Multi-core Tube For Marine; ASTM A213 / ASME SA213 ERW / EFW Stainless Steel Welded Tube With Bright Annealed Surface; 6.35mm ASTM A269 Stainless Steel Bright Annealed Welded Tubing in Transportation; ASTM A249 / ASME SA249 TP304 / 304L Stainless Steel Bright Annealed Welded Tube With Cold Drawn; ASTM A213 TP304 / 304L Stainless Steel Bright Annealed Welded Tubing For Oil And Gas; ASTM A790 TP304L / 1.4306 Austenitic Stainless Steel Pipe For Oil Industry; DN200 Sch40 S31603 / S30403 Austenitic Annealed & Pickled Stainless Steel Pipe; DN250 6BWG TP304L / 1.4306 Big Size Austenitic Stainless Steel Pipe; ASTM A312 / ASME SA312 TP316L / 304L Austenitic Stainless Steel Pipe For Food Industry; 25.4*2.11mm ASTM A213 S30403 Stainless Steel Heat Exchanger Welded Tube; ASTM A249 TP304 / S30400 Stainless Steel ERW Straight Tube For Heat Exchanger; ASTM A249 / ASME SA249 ERW Stainless Steel Heat Exchanger Welded Tube; TP316 / 316L Small Diameter Stainless Steel Straight Heat Exchanger Welded Tube; S30403 / S31603 1 / 4 Inch Stainless Steel U Bend Heat Exchanger Welded Tube; DN200 ASTM A358 TP304 / 304L Class 1 Stainless Steel Double Welded Pipe; 16 Inch Sch40 ASTM A358 TP309S / 310S Stainless Steel Double Welded Pipe For Transportation; 30Inch Sch10s ASTM A358 Big Size Stainless Steel Double Welded Pipe For Oil And Fuild; 8BWG ASTM A358 TP304L / 1.4306 Stainless Steel Double Welded Pipe With Annealed & Pickled Surface; CL150-2500 F304 / 304L Stainless Steel Welded Neck Flange ANSI B16.5; ASTM A182 Class900 Stainless Steel Blind Flange FF For Connection; ASTM A182 / ASME SA182 600LB F304 / 304L Stainless Steel Socket Welded Flange; 1.4306 / 1.4404 Stainless Steel Seamless Sanitary Tube, ASTM A269; 1 / 4 Inch Stainless Steel Sanitary Tube, ASTM A269 / ASME SA269 For Chemical Industry; TP304 / 304L Precision Stainless Steel Seamless Tube, ASTM A269 / ASME SA269; 10 / 12 / 14SWG Precision Stainless Steel Seamless Tube With Cold Rolled For Medical Industry; ASTM A213 / ASME SA213 Stainless Steel Precision Seamless Tube, S30400 /30403 For Food Industry; ASTM A269 / A213 Stainless Steel Precision Seamless Tube With Cold Rolled For Chemical; ASTM A213 S30400 / 30403 Small Diameter Stainless Steel Seamless Tube For Instrument; ASTM A213 S30400 / 30403 Small Diameter Stainless Steel Seamless Tube For Instrument; TP304 / 304L Stainless Steel Seamless Tube For Instrument With Bright Annealed Surface; S31600 / S30400 Stainless Steel Seamless Bright Annealed Instrument Tube; ASTM A312 TP304 / 304L Stainless Steel Annealed & Pickled Seamless Industrial Pipe; ASTM A312 S30403 / 1.4306 Stainless Steel Big Size Seamless Pipe For Transportation; ASTM A312 Stainless Steel Annealed & Pickled Industrial Pipe For Oil And Gas; ASTM A105 F304H / 316H Stainless Steel Hex / Square / Round Haed Plug Threaded Forged Fittings; ASME B16.11 F11 / F22 Stainless Steel Socket Welded / Threaded Boss 2000LBS For Connection; 3/4 Inch ASTM A182 F304H/316H 6000LBS Hex Head Plug With Treaded End For Connection; Stainless Steel Spring Wire for 304/304L/304M/304H High Quality Wire with High Strength; For Boiler ASTM A213 Stainless Steel Seamless Heat Exchanger Tube; 1/8 CF8 / CF8M Cap Thread Connection ASTM A351 Casting Fitting; 1/2 Reducing Coupling NPT150psi Stainless Steel Casting Pipe Fitting; CF8/CF8M Stainless Steel Coupling Tread Connection NPTF; ER304/304L/304M/304H Stainless Steel Welding Wire Rods with Annealing treament; A276 304V/304LV Stainless Steel Wire for Medical Fine Wire; Stainless Steel 304V/304LV Medical Wire Non-toxic Fine Wire; 304/304L/304H Stainless Steel Wire for Welding, Mesh, Spring, NUT;