We are YUHONG GROUP from China, we have 30 years experience for boiler tube / heat exchanger tube, our products sell more than 40 countries up to now

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

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