ASTM A564 UNS S17400 Bolt, Nuts, Washers Manufacturer in India

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ASTM A564 UNS S17400, ASTM A564 UNS S17400 Bolt, Nuts, ASTM A564 UNS S17400 Bolt Manufacturer in India – China Inconel Bolts Inc.

ASTM A564 UNS S17400 is a high-strength 5 percent chromium ferritic steel used to manufacture bolts, studs, stud bolts, and other fasteners for bolting pressure vessels, valves, flanges, and fittings, particularly in the power generation industry. The ASTM A564 standard includes alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings used in high temperature or high-pressure applications, as well as other special applications. There are many grades covered, including ferritic steels and austenitic stainless steels with designations such as B5, B6, B7, B8, B8M, and so on.

ASTM A564 UNS S17400 Chemical Composition

Elements	C	Mn	P	S	Si	Cr	Ni	Cu	Nb + Ta
Min %	–	–	–	–	–	15.00	3.00	3.00	0.15
Max %	0.07	1.00	0.040	0.030	1.00	17.50	5.00	5.00	0.45

ASTM A564 UNS S17400 Mechanical Composition

Mechanical Properties
Condition	Ultimate Tensile, ksi [MPa]	Yield Strength Offset, ksi [MPa]	Elongation, %	Reduction Of Area, %	Hardness
H900	190 [1310]	170 [1170]	10	40	368 BHN Max
H925	170 [1170]	155 [1070]	10	44	375 BHN Max
H1025	155 [1070]	145 [1000]	12	45	331 BHN Max
H1075	145 [1000]	125 [860]	13	45	311 BHN Max
H1100	140 [965]	115 [795]	14	45	302 BHN Max
H1150	135 [930]	105 [725]	16	50	277 BHN Max
H1150M	115 [795]	75 [520]	18	55	255 BHN Max
H1150D	125 [860]	105 [725]	16	50	255 BHN Max