ASTM A693

ASTM A193 / A193M specification covers alloy and ferritic and austenitic stainless steel bolting materials and bolting components for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. Bolting Materials such as Bars and wire rods shall be hot wrought and may be further processed by center less grinding or by cold drawing. Austenitic stainless steel may be carbide solution treated or carbide solution treated and strain-hardened. Bolting type such as Hex Bolts, Heavy Hex Bolts, Studs, Socket Head Cap Screws, Hex Cap Screws, Threaded Rods and Threaded Bars can be manufactured from ¼” to 4” in imperial and M6 to M100 in metric variants both fine threads and coarse threads. Bolting Components up to 6” can be provided at TorqBolt with the same certification. PED 2014/68/EC Certified ASTM/ASME A193/A193M Bolting is available exstock.

Grade	Description and UNS Designatio	Classes	C	Mn	P	S	Si	Cr	Ni	Mo	Cu	CbF	Ti	V	N
Product Analysis VariationB	0.01	0.04	0.010	0.005	0.05	0.20	0.15	. . .	. . .	. . .	. . .	. . .	. . .
ASTM A193 Grade B8C, B8CA	347, S34700	1, 1A, 1D, 2	0.08	2.00	0.045	0.030	1.00	17.0-19.0	9.0-12.0	. . .	. . .	10 × C to 1.10	. . .	. . .	. . .
ASTM A193 Grade B8C, B8CA	Product Analysis VariationB	1, 1A, 1D, 2	0.01	0.04	0.010	0.005	0.05	0.20	0.15	. . .	. . .	0.05 under	. . .	. . .	. . .
ASTM A193 Grade B8M, B8MA, B8M2, B8M3	316, S31600	1, 1A, 1D, 2	0.08	2.00	0.045	0.030	1.00	16.0-18.0	10.0-14.0	2.00-3.00	. . .	. . .	. . .	. . .	. . .
ASTM A193 Grade B8M, B8MA, B8M2, B8M3	Product Analysis VariationB	1, 1A, 1D, 2	0.01	0.04	0.010	0.005	0.05	0.20	0.15	0.10	. . .	. . .	. . .	. . .	. . .
ASTM A193 Grade B8P, B8PA	S30500	1, 1A, 1D, 2	0.12	2.00	0.045	0.030	1.00	17.0-19.0	11.0-13.0	. . .	. . .	. . .	. . .	. . .	. . .
ASTM A193 Grade B8P, B8PA	Product Analysis VariationB	1, 1A, 1D, 2	0.01	0.04	0.010	0.005	0.05	0.20	0.15	. . .	. . .	. . .	. . .	. . .	. . .
ASTM A193 Grade B8N, B8NA	304N, S30451	1A, 1B, 1D, 2	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-11.0	. . .	. . .	. . .	. . .	. . .	0.10-0.16
ASTM A193 Grade B8N, B8NA	Product Analysis VariationB	1A, 1B, 1D, 2	0.01	0.04	0.010	0.005	0.05	0.20	0.15	. . .	. . .	. . .	. . .	. . .	0.01
ASTM A193 Grade B8MN, B8MNA	316N, S31651	1A, 1B, 1D, 2	0.08	2.00	0.045	0.030	1.00	16.0-18.0	10.0-13.0	2.00-3.00	. . .	. . .	. . .	. . .	0.10-0.16
ASTM A193 Grade B8MN, B8MNA	Product Analysis VariationB	1A, 1B, 1D, 2	0.01	0.04	0.010	0.005	0.05	0.20	0.15	0.10	. . .	. . .	. . .	. . .	0.01
ASTM A193 Grade B8MLCuN, B8MLCuNA	S31254	1A, 1B, 1D, 2	0.020	1.00	0.030	0.010	0.80	19.5-20.5	17.5-18.5	6.0-6.5	0.50-1.00	. . .	. . .	. . .	0.18-0.25
ASTM A193 Grade B8MLCuN, B8MLCuNA	Product Analysis VariationB	1A, 1B, 1D, 2	0.005	0.03	0.005	0.002	0.05	0.20	0.15	0.10	. . .	. . .	. . .	. . .	0.02
ASTM A193 Grade B8T, B8TA	321, S32100	1, 1A, 2	0.08	2.00	0.045	0.030	1.00	17.0-19.0	9.0-12.0	. . .	. . .	. . .	5 × (C + N) to 0.70	. . .	0.10
ASTM A193 Grade B8R, B8RA	Product Analysis VariationB	1C, 1D	0.01	0.05	0.005	0.005	0.05	0.25	0.15	0.10	. . .	0.05	. . .	0.02	0.02

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