HASTELLOY nyaéta paduan tempa Nikel-kromium-molibdenum anu dianggap paduan tahan korosi anu paling serbaguna anu sayogi.
Paduan ieu tahan kana formasi endapan wates butir dina zona anu kapangaruhan ku panas las, sahingga cocog pikeun kalolobaan aplikasi prosés kimia dina kaayaan sapertos dilas. Bentuk Hastelloy: Pipa / Tabung (dilas sareng tanpa sambungan), Pelat / Lambaran, Batang, Kawat, Fittings
Kawat: 0.01-10mm
Jalur: 0.05*5.0-5.0*250mm
Bar: φ4-50mm; Panjangna 2000-5000mm
Pipa: φ6-273mm;δ1-30mm; Panjangna 1000-8000mm
Lambaran: δ 0.8-36mm; Lebar 650-2000mm; Panjang 800-4500mm

Kelas		C276	C22	C4	B2	B3	N
Bahan kimia Komposisi (%)	C	≤0.01	≤0.015	≤0.015	≤0.02	≤0.01	0.04-0.08
	Mn	≤1	≤0.5	≤1	≤1	≤3	≤1
	Fe	4-7	2-6	≤3	≤2	≤1.5	≤5
	P	≤0.04	≤0.02	≤0.04	≤0.04	–	≤0.015
	S	≤0.03	≤0.02	≤0.03	≤0.03	–	≤0.02
	Si	≤0.08	≤0.08	≤0.08	≤0.1	≤0.1	≤1
	Ni	istirahat	istirahat	istirahat	istirahat	≥65	istirahat
	Co	≤2.5	≤2.5	≤2	≤1	≤3	≤0.2
	Ti+Cu	–	–	≤0.7	–	≤0.4	≤0.35
	Al+Ti	–	–	–	–	≤0.5	≤0.5
	Cr	14.5-16.5	20-22.5	14-18	≤1	≤1.5	6-8
	Mo	15-17	12.5-14.5	14-17	26-30	≤28.5	15-18
	B	–	–	–	–	–	≤0.01
	W	3-4.5	2.5-3.5	–	–	≤3	≤0.5
	V	≤0.35	≤0.35	–	0.2-0.4	–	≤0.5