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40CrMo Material 4140 Threaded Rod Length 3660mm Threaded Metal Rod

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40CrMo Material 4140 Threaded Rod Length 3660mm Threaded Metal Rod

Country/Region	china
City & Province	zhejiang

Product Details

Stud Bar ASTM A193 Grade B7 B7M B16 "End to End" Class 2A 1/2"-13 ~ 4"-8 Plain/ Black/ Zinc/ Hdg/ PTFE

Ferritic steels shall be allowed to cool to a temperature below the cooling transformation range immediately after rolling or forging. Bolting materials shall then be uniformly reheated to the proper temperature to refine the grain (a group thus reheated being known as a quenching charge), quenched

TABLE 1 Chemical Requirements (Composition, percent)^A

Ferritic Steels

	Description
	and UNS
Grade	Designation	Class	Carbon	Manganese	Phosphorus	Sulfur	Silicon	Chromium	Nickel	Molybdenum	Cooper	Niobium^F	Titanium	Vanadium	Aluminum	Nitrogen
B5	5 % Chromium		0.10 min	1.00	0.040	0.030	1.00	4.0–6.0	. . .	0.40–0.65	. . .	. . .	. . .	. . .	. . .	. . .
Product
Analysis			0.01	0.03	0.005	0.005	0.05	0.10	. . .	0.05	. . .	. . .	. . .	. . .	. . .	. . .
Variation^B
B6,	12 %
B6X	Chromium		0.08–0.15	1.00	0.040	0.030	1.00	11.5–13.5	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .
	(410),		0.08–0.15	1.00	0.040	0.030	1.00	11.5–13.5	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .
	(410),
	S41000
Product
Analysis			0.01 over	0.03	0.005	0.005	0.05	0.15	. . .	. . .	. . .	. . .	. . .	. . .	. . .	. . .
Variation^B
B7,	Chromium-		D
B7M	Molybdenum^C		0.38–0.48	0.75–1.00	0.035	0.040	0.15–0.35	0.80–1.10	. . .	0.15–0.25	. . .	. . .	. . .	. . .	. . .	. . .
Product
Analysis			0.02	0.04	0.005	0.005	0.02	0.05	. . .	0.02	. . .	. . .	. . .	. . .	. . .	. . .
Variation^B
B16	Chromium-
	Molybdenum-		0.36–0.47	0.45–0.70	0.035	0.040	0.15–0.35	0.80–1.15	. . .	0.50–0.65	. . .	. . .	. . .	0.25–0.35	0.015^E	. . .
	Vanadium
Product
Analysis			0.02	0.03	0.005	0.005	0.02	0.05	. . .	0.03	. . .	. . .	. . .	0.03	. . .	. . .
Variation^B
							Austenitic Steels
Grade	Description
	and UNS	Classes	Carbon	Manganese	Phosphorous	Sulfur	Silicon	Chromium	Nickel	Molybdenum	Copper	Niobium^F	Titanium	Vanadium	Aluminum	Nitrogen
	Designation
B8,	304, S30400	1, 1A, 1D,	0.08	2.00	0.045	0.030	1.00	18.0–20.0	8.0–11.0	. . .	. . .	. . .	. . .	. . .	. . .	. . .
B8A	304, S30400	2	0.08	2.00	0.045	0.030	1.00	18.0–20.0	8.0–11.0	. . .	. . .	. . .	. . .	. . .	. . .	. . .
B8A		2
Product
Analysis			0.01	0.04	0.010	0.005	0.05	0.20	0.15	. . .	. . .	. . .	. . .	. . .	. . .	. . .
Variation^B
B8C,	347,	1, 1A, 1D,	0.08	2.00	0.045	0.030	1.00	17.0–19.0	9.0–12.0	. . .	. . .	10×C	. . .	. . .	. . .	. . .
B8CA	S34700	2	0.08	2.00	0.045	0.030	1.00	17.0–19.0	9.0–12.0	. . .	. . .	to 1.10	. . .	. . .	. . .	. . .
B8CA	S34700	2										to 1.10
Product												0.05
Analysis			0.01	0.04	0.010	0.005	0.05	0.20	0.15	. . .	. . .	0.05	. . .	. . .	. . .	. . .
Analysis			0.01	0.04	0.010	0.005	0.05	0.20	0.15	. . .	. . .	under	. . .	. . .	. . .	. . .
Variation^B												under
B8M,
B8MA,	316,	1, 1A, 1D,	0.08	2.00	0.045	0.030	1.00	16.0–18.0	10.0–14.0 2.00–3.00		. . .	. . .	. . .	. . .	. . .	. . .
B8M2,	S31600	2	0.08	2.00	0.045	0.030	1.00	16.0–18.0	10.0–14.0 2.00–3.00		. . .	. . .	. . .	. . .	. . .	. . .
B8M2,	S31600	2
B8M3
Product
Analysis			0.01	0.04	0.010	0.005	0.05	0.20	0.15	0.10	. . .	. . .	. . .	. . .	. . .	. . .
Variation^B

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