ASTM A789 S31803 Duplex Steel Seamless Tube 3/4 INCH 16BWG 20FT 100% Eddy Current Test and Hydrostatic Test

ASTM A789 S31803 Duplex steel Seamless Tube, 3/4 INCH 16BWG 20FT 100% Eddy Current Test and Hydrostatic Test,

Yuhong Group has more than 26 years experience for heat exchanger tube / boiler tube/ cooling tube,

Our main products: Stainless/Duplex/Nickel Alloy Pipe/Tube:

1>.A:Stainless Steel Grade: TP304/304L/304H, TP310S/310H, TP316/316L/316Ti/316H, TP317L/317LN, TP321/321H, TP347/347H, NO8904(904L),

B:PH Stainless Steel:17-4PH(1.4542), 17-7PH(1.4568),15-7PH(1.4532)

C:Duplex Steel Grade: S31803(2205), S32750(2507), S32760, S32304, S32101, S31254(254Mo), 235Ma, UNS NO8926, NO8367.

D:Nickel Alloy Steel Grade:Hestalloy:C-276, C-4, C-22, C-2000, X, B-2, B-3, G-30, G-35. Monel:400,401, 404, R-405, K500.

Inconel:600, 601, 617, 625, 690, 718, 740, X-750. Incoloy:800, 800H, 800HT, 825, 840.

Pure Nickel:Ni-200, Ni-201, Ni-270. NS Alloy:Ns 1101, NS1102, NS1103,NS3105.

2>.Standards: ASTM A213, A249, A269, A312, A789,A790, B163,B167, B444, B677,... and ASME,DIN, EN, JIS, BS, GOST,...

3>.Out diameter sizes range: 0.5mm~650mm. Wall thickness:0.05mm~60mm. Max. length under 26 meters/PC.
4>.Seamless & welded, Solution Pickling/Bright Annealed / Polished.

Advantage Products: (Boiler & Heat Exchanger & Condenser Tube):

ASTM A213(TP304,TP304L,TP304H,TP310S,TP316L,TP316Ti, TP317/L, TP321/H, TP347/H)

ASTM A249(TP304,TP304L,TP316L, TP321/H)
ASTM A789(S31803(2205), 32750(2507), S31254(254MO),S32304)

ASTM B163/B167/B444 for Nickel Alloy Steel Tube

ASTM B677 UNS NO8904(904L)

ASTM B111(70400, C70600, C71500, C71640, C68700, C44300)

Other Standard: EN10216-5, DIN 17456, DIN17458, GOST9941-81, JIS-G3459, JIS-G3463

Grade	Material number	C	Si	Mn	P	S	N	Cr	Mo	Ni	Ti	others
Ferritic or martensitic steels
X2CrTi12	1.4512	0.030	1.00	1.00	0.040	0.015		10.50to12.50			6×(C+N)to0.65
X6CrAl13	1.4002	0.08	1.00	1.00	0.040	0.015		12.00to14.00				0.10to0.30Al
X6Cr17	1.4016	0.08	1.00	1.00	0.040	0.015		16.00to18.00
X3CrTi17	1.4510	0.05	1.00	1.00	0.040	0.015		16.00to18.00			4×(C+N)+0.15 to 0.80
X12Cr13	1.4006	0.08 to 0.15	1.00	1.50	0.040	0.015		11.50to13.50		0.75
Austenitic steels
X5CrNi18-10	1.4301	0.07	1.00	2.00	0.045	0.015	0.11	17.00to19.50		8.00to10.50
X2CrNi19-11	1.4306	0.030	1.00	2.00	0.045	0.015	0.11	18.00to20.00		10.00to12.00
X2CrNiN18-10	1.4311	0.030	1.00	2.00	0.045	0.015	0.12to0.22	17.00to19.50		8.50to11.50
X6CrNiTi18-10	1.4541	0.08	1.00	2.00	0.045	0.015		17.00to19.00		9.00to12.00	5×C to 0.70
X6CrNiNb18-10	1.4550	0.08	1.00	2.00	0.045	0.015		17.00to19.00		9.00to12.00		10×Cto1.00Nb
X5CrNiMo17-12-2	1.4401	0.07	1.00	2.00	0.045	0.015	0.11	16.50to18.50	2.00to2.50	10.00to13.00
X2CrNiMo17-12-2	1.4404	0.030	1.00	2.00	0.045	0.015	0.11	16.50to18.50	2.00to2.50	10.00to13.00
X6CrNiMoTi17-12-2	1.4571	0.08	1.00	2.00	0.045	0.015		16.50to18.50	2.00to2.50	10.50to13.50	5×C to 0.70
X2CrNiMoN17-13-3	1.4429	0.030	1.00	2.00	0.045	0.015	0.12to0.22	16.50to18.50	2.50to3.00	11.00to14.00
X2CrNiMo18-14-3	1.4435	0.030	1.00	2.00	0.045	0.015	0.11	17.00to19.00	2.50to3.00	12.50to15.00
X3CrNiMo17-13-3	1.4436	0.05	1.00	2.00	0.045	0.015	0.11	16.50to18.50	2.50to3.00	10.50to13.00
X2CrNiMoN17-13-5	1.4439	0.030	1.00	2.00	0.045	0.015	0.12to0.22	16.50to18.50	4.00to5.00	12.50to14.50

Specification:

ASME SA213/A213: Standard Specification for Seamless Ferritic and Austenitic Alloy-

Steel Boiler, Superheater and Stainless Steel Heat Exchanger Tubes.

ASTM A249 / A249M:Standard Specification for Welded Austenitic Steel Boiler, SuperheaterHeat-Exchanger, and Condenser Tubes.

Other Standard:DIN 17456 , DIN 17458, EN10216-5,  GOST 9940-81, GOST 9941-81, JIS-G3463,...

Material Grade:

Size Range:

Final Finishing

Solution Annealed & Pickled/Bright Annealed.

Type of Tubes:

U-bend & Straight.