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HASTELLOY B2 NUTS

Parmar Steel offers HASTELLOY B2 NUTS, renowned for their exceptional corrosion resistance in harsh environments. These nuts are crafted from Hastelloy B2 alloy, known for its nickel-molybdenum composition, which enhances resistance to hydrochloric acid, sulfuric acid, and other reducing chemicals. Ideal for applications in chemical processing, pharmaceuticals, and waste treatment plants, these nuts ensure reliability and longevity under extreme conditions. Parmar Steel ensures high-quality manufacturing standards, adhering to precise specifications to guarantee performance and durability. Whether used in marine environments, industrial settings, or in highly corrosive atmospheres, HASTELLOY B2 NUTS from Parmar Steel are a trusted choice, providing peace of mind and operational efficiency in critical operations.

Material	Hastelloy Alloy Fasteners
Hastelloy Fasteners ASTM / ANSI	ASTM B574 / ASME SB574
Grades of Hastelloy Fasteners	Hastelloy C276 Bolts Hastelloy B2 Bolts Hastelloy C22 Bolts
Size	M02 to M160
Length	3 mm to 200 mm
Threads:	BSW, UNC, BSF, UNF METRIC, or as required
	M3, M14, M2.5, M2, M12, M5, M6, M4, M20, M16, M30, M24, M36, M8, M10 etc.
Standard:	JIS, ASTM,BS, GB, DIN, IS, ISO ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M Stud Bolt length are defined in ASME B16.5 standard ANSI B 18.2.4 2M Hex nuts are defined in ASME B18.2.2 DIN: DIN 931, DIN 970, 934 DIN DIN 933 UTS – Unified Thread Standard : NPTF, UNS, NPT, UNF, UNC, UNEF ISO – International Organization for Standardization : ISO 4033 ,ISO 4032, JIS standards
Widely Use of nut Types	Coupling Nut, Hex Head Nut, Wing Nut, Square Nut, Panel Nut, T Nut, Acorn Nuts, Dome Nut, Eye Nut, Lock Nut etc.
Widely Use Bolts Types	Hex Head Bolt, Hex Bolt, Square Bolt, Eye Bolt, T Bolt, U Bolt, Lag Bolt, Counter sunk Bolt etc.
Widely Use Washer Types	Lock Washer, Machine Washers, Star Washers, Sealing Washer, Split Washer etc.
Widely Use Screw Types	Threaded Screw, Hex Head Screw, Socket Head Screw, Socket Set Screw, Blind Rivet, Concrete Screw, Shoulder Screw, Anchor Screw, Panel Screw, Machine Screw etc.
Widely Use Hastelloy B2 Studs Types	Double Ended Studs, Threaded Tod, Tie Bars, Tie Rodsetc.
Scope of Manufacture	CNC Machined , Nut / Bolt; up to M100 / 4” Dia, up to 1500mm lg Hot Forged , Nut / Bolt; up to M36 / 1-1/2” Dia, up to 1100mm lg ASME B18.16.6 Prevailing Torque Locknuts, ASME B18.13 Screw and Washer, ASME B18.18 Fasteners Hastelloy Fasteners Standard : ANSI / ASME B18.2.1, B18.3, B18.6.3, B18.6.7M, B1.1, B16.47, B18.2.2, B18.22.1
Hastelloy Fasteners In Form of:	Square, Round, Threading as per Gauge,Round Etc.
Test Certificate of Hastelloy C276 Bolting :	EN 10204 / 3.1
Finishing:	Zinc (yellow, white, blue, black), black oxide, Dacroment, Geometry, nickel plated, anodizing, plated zinc-nickel, Stainless steel: Passivated Bright Zinc Plated (BZP), Self-Colour, Hot Dip Galvanised (HDG), Stainless Steel, Sherardized,Mechanically Applied coating and some special one like DACROMET
Production process	hot forging M24-M100, M2-M24: Cold Froging for Customized connecting element machining and CNC
Hastelloy bolts Head drive:	Six-Lobe, Phillips/Slot, Slotted, Phillips etc
Surface Coating of materials:	Xylon Fasteners Cadmium Fasteners Teflon Fasteners Hot Dipped Galvanizing Fasteners Phosphate Fasteners Zinc Fasteners Ptfe Coated Fasteners All surface finishes can be supplied, including Nickel, Geomet , Zinc, Dacromet, Galvanised, Electroless Sherardized,& PTFE.
Top Manufacturers of Fasteners	SPAX® Screws, EBY Fastener, Sundaram Kundan, GKW, Infasco, Precision, APL, Unbrako,Etc.
Packing of Hastelloy Fasteners:	In Bulk: pallet, Canton, Small Carton / Boxs / Pallet, or customer request
Specialized manufacturer of	High Tensile Fasteners, Bolts
Test Certificates	Third Party Inspection Report, etc Raw Materials Certificate EN 10204/3.1B 100% Radiography Test Report

HASTELLOY C276 HEX BOLTS DIMENSION CHART

DIA	M4	M5	M6	M8	M10	M12	M14	M16	M18	M20	M22	M24	M27	M30	M33	M36	M39	M42	M45	M48	M52
Pitch	0.7	0.8	1	1.25	1.5	1.75	2		2.5			3		3.5		4		4.5		5
Grade A upto length	40	50	60	80	100	120	140	150					Grade A not applicable to these dia’s
Head Across Flat (S) Nom = Max Min Grade A Grade B	7	8	10	13	16	18	21	24	27	30	34	36	41	46	50	55	60	65	70	75	80
	6.78	7.78	9.78	12.73	15.73	17.73	20.67	23.67	26.67	29.67	33.38	35.38	Grade A not applicable to these dia’s
	6.64	7.64	9.64	12.57	15.57	17.57	20.16	23.16	26.16	29.16	33	35	40	45	49	53.8	58.8	63.1	68.1	73.1	78.1
Head Height (K) Nom Tol + or – Grade A Grade B	2.8	3.5	4	5.3	6.4	7.5	8.8	10	11.5	12.5	14	15	17	18.7	21	22.5	25	26	28	30	33
	0.125	0.15			0.18				0.215				Grade A not applicable to these dia’s
	0.2	0.24			0.29				0.35					0.42							0.5
Across corners e Min Grade A Grade B	7.66	8.79	11.05	14.38	17.77	20.03	23.36	26.75	30.14	33.53	37.72	39.98	Grade A not applicable to these dia’s
Across corners e Min Grade A Grade B	7.5	8.63	10.89	14.2	17.59	19.85	22.78	26.17	29.56	32.95	37.29	39.55	45.2	50.85	55.37	60.79	66.44	71.3	76.95	82.6	88.25
Thread Length (b) For lengths < or = 125mm For lengths > 125mm <= 200mm For lengths > 200mm	14	16	18	22	26	30	34	38	42	46	50	54	60	66	Not specified as full thread recommended
	20	22	24	28	32	36	40	44	48	52	56	60	66	72	78	84	90	96	102	108	116
	33	35	37	41	45	49	53	57	61	65	69	73	79	85	91	97	103	109	115	121	129
Major Dia at thread (min)	3.838	4.826	5.794	7.76	9.732	11.701	13.682	15.682	17.623	19.623	21.623	23.577	26.577	29.522	32.522	35.465	38.465	41.437	44.437	47.399	51.399
Major Dia at thread (max)	3.978	4.976	5.974	7.972	9.968	11.966	13.962	15.962	17.958	19.958	21.958	23.952	26.952	29.947	32.947	35.94	38.94	41.937	44.937	47.929	51.929

EQUIVALENT OF HASTELLOY SCREWS

Standard	Hastelloy C276	Hastelloy C22	Hastelloy B2
UNS	N10276	N06022	N10665
WERKSTOFF NR.	2.4819	2.4602	2.4617
AFNOR	-	-	-
JIS	NW 0276	NW 6022	-
GOST	ХН65МВУ	-	-
OR	ЭП760	-	-
EN	NiMo16Cr15W	NiCr21Mo14W	-

UNS N10665 HEX HEAD NUTS CHEMICAL COMPATIBILITY

Alloy	Co	Cr	Mo	W	Fe	Si	Mn	C	Ni	Others
B-2	1*	1*	30	-	2*	0.1*	1*	0.01*	Balance	-
B-3	3*	1.5	30.5	3*	1.5	0.1*	3*	0.01*	65 min.	Ti-0.2*
C-4	2*	16	16	-	3*	0.08*	1*	0.01*	Balance	Ti-0.7*
C-2000	2*	23	16	-	3*	0.08*	-	0.01*	Balance	Cu-1.6
C-22	2.5*	22	13	3	3	0.08*	0.5*	0.01*	Balance	V-0.35*
C-276	2.5*	16	16	4	5	0.08*	1*	0.01*	Balance	V-0.35*
G-30	2*	30	5.5	2.5	15	1*	1.5*	0.03*	Balance	Nb-0.8, Cu-2
N	0.2*	7	16	0.5*	5*	1*	0.8*	0.08*	Balance	Al+Ti-0.5, Cu-0.35
W	2.5*	5	24	-	6	1*	1*	0.12*	Balance	V-0.6*

Element	Hastelloy C22	Hastelloy C276	Hastelloy B2
Ni	Bal	Bal	Bal
C	0.01 max	0.01 max	0.02 max
Mn	0.50 max	1.0 max	1.0 max
Co	2.5 max	2.5 max	1.0 max
S	0.02 max	0.03 max	0.03 max
Si	0.08 max	0.08 max	0.1 max
Cr	20 – 22.5	14.5 – 16.5	1.0 max
Mo	12.5 – 14.5	15 – 17	26 – 30
Fe	2 – 6	4 – 7	2.0 max
W	2.5 – 3.5	3 – 4.5	-
V	0.35 max	0.35 max	-
P	0.02 max	0.04 max	0.04 max

HASTELLOY C276 FASTENERS MECHANICAL STRENGTH TABLE

Element	Hastelloy C22	Hastelloy C276	Hastelloy B2
Density	8.69 g/cm3	8.89 g/cm3	9.2 g/cm3
Melting Point	1399 °C (2550 °F)	1370 °C (2500 °F)	1370 °C (2500 ºF )
Tensile Strength	Psi – 1,00,000 , MPa – 690	Psi – 1,15,000 , MPa – 790	Psi – 1,10,000 , MPa – 760
Yield Strength (0.2%Offset)	Psi – 45000 , MPa – 310	Psi – 52,000 , MPa – 355	Psi – 51000 , MPa – 350
Elongation	45 %	40 %	40 %

We Shine For Premier Quality Product

The company has over two decade long record of servicing customers in India as well as all over the world. The company attaches significant emphasis on ensuring adherence to quality standards at all levels.

The basic thrust of the quality philosophy is summed up in the company's Quality Policy which serves as the bench mark of all functions executed by the company. Strict quality assurance system is being followed in all our departments and Total Quality Management is applied to streamline and all the procedures and practices in operation to achieve high standard of efficiency.