4140 Steel Threaded Rods

4140 is an oil-hardening steel of relatively high hardenability. Its chromium content provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength. Minimum tensile strength is 125,000 psi. Yield Strength 60,000 PSI min. Hardness is 200 Brinell. They have a black-oxide finish.

4140 Alloy Steel Threaded Rods, RH, Black Oxide Finish, Heat Treated
Thread Size	Length	Starts	Turns per Inch	Stock #	Price Ea.	Purchase Online
1/4"-12	36	4	3	MTR-801	$117.28	Buy Now
1/4"-12	72	4	3	MTR-577	$234.56	Buy Now
3/8"-8	36	4	2	MTR-812	$72.38	Buy Now
3/8"-8	36	2	4	MTR-824	$74.02	Buy Now
3/8"-8	36	1	8	MTR-810	$60.34	Buy Now
3/8"-8	72	4	2	MTR-576	$144.76	Buy Now
3/8"-8	72	2	4	MTR-799	$148.04	Buy Now
3/8"-8	72	1	8	MTR-1001	$120.68	Buy Now
3/8"-10	36	2	5	MTR-809	$63.02	Buy Now
3/8"-10	36	1	10	MTR-808	$67.30	Buy Now
3/8"-10	72	2	5	MTR-1275	$126.04	Buy Now
3/8"-10	72	1	10	MTR-1264	$134.60	Buy Now
3/8"-12	36	2	6	MTR-807	$152.32	Buy Now
3/8"-12	36	1	12	MTR-806	$47.48	Buy Now
3/8"-12	72	2	6	MTR-1263	$304.64	Buy Now
3/8"-12	72	1	12	MTR-1020	$94.96	Buy Now
3/8"-16	36	1	16	MTR-598	$81.48	Buy Now
3/8"-16	72	1	16	MTR-750	$162.96	Buy Now
1/2"-8	36	2	4	MTR-597	$81.74	Buy Now
1/2"-8	72	2	4	MTR-749	$163.48	Buy Now
1/2"-10	36	2	5	MTR-596	$82.26	Buy Now
1/2"-10	36	2	5	MTR-595	$102.08	Buy Now
1/2"-10	36	1	10	MTR-594	$64.90	Buy Now
1/2"-10	72	5	2	MTR-748	$164.52	Buy Now
1/2"-10	72	2	5	MTR-747	$204.16	Buy Now
1/2"-10	72	1	10	MTR-746	$129.80	Buy Now
5/8"-5	36	1	5	MTR-593	$88.14	Buy Now
5/8"-5	72	1	5	MTR-745	$176.28	Buy Now
5/8"-8	36	1	8	MTR-592	$74.68	Buy Now
5/8"-8	72	1	8	MTR-744	$149.36	Buy Now
5/8"-10	36	1	10	MTR-591	$141.46	Buy Now
5/8"-10	72	1	10	MTR-731	$282.92	Buy Now
3/4"-5	36	1	5	MTR-575	$103.90	Buy Now
3/4"-5	72	1	5	MTR-742	$207.80	Buy Now
3/4"-6	36	1	6	MTR-589	$102.10	Buy Now
3/4"-6	72	1	6	MTR-722	$204.20	Buy Now
3/4"-10	36	1	10	MTR-603	$109.32	Buy Now
1"-4	36	1	4	MTR-587	$154.04	Buy Now
1"-4	72	1	4	MTR-740	$308.08	Buy Now
1"-5	36	1	5	MTR-586	$144.08	Buy Now
1"-5	72	1	5	MTR-739	$288.16	Buy Now
1"-6	36	1	6	MTR-585	$147.80	Buy Now
1"-6	72	1	6	MTR-738	$295.60	Buy Now
1"-10	36	10	1	MTR-584	$291.42	Buy Now
1"-10	36	1	10	MTR-583	$152.20	Buy Now
1"-10	72	10	1	MTR-737	$582.84	Buy Now
1"-10	72	1	10	MTR-736	$304.40	Buy Now
1-1/4"-4	36	1	4	MTR-582	$172.58	Buy Now
1-1/4"-4	36	1	4	MTR-580	$253.90	Buy Now
1-1/4"-4	72	1	4	MTR-735	$345.16	Buy Now
1-1/4"-5	36	1	5	MTR-581	$172.58	Buy Now
1-1/4"-5	72	1	5	MTR-1232	$345.16	Buy Now
1-1/2"-4	72	1	4	MTR-1015	$507.80	Buy Now
1-1/2"-5	36	1	5	MTR-579	$330.56	Buy Now
1-1/2"-5	72	1	5	MTR-1014	$661.12	Buy Now
2"-4	36	1	4	MTR-578	$467.58	Buy Now
2"-4	72	1	4	MTR-1013	$935.16	Buy Now

Carbon		0.38 - 0.43
Chromium		0.8 - 1.1
Iron		Balance
Manganese		0.75 - 1
Molybdenum		0.15 - 0.25
Phosphorus		0.035 max
Silicon		0.15 - 0.35
Sulphur		0.04 max

AISI 4140
AMS 6349
AMS 6381
AMS 6382
AMS 6390
AMS 6395
AMS 6529
ASTM A193 (B7, B7M)ASTM A194 (7, 7M)
ASTM A29 (4140)
ASTM A320 (L7, L7M, L7D)
ASTM A322 (4140)
ASTM A331 (4140)
ASTM A506 (4140)
ASTM A513
ASTM A513 (4140)
ASTM A519 (4140)
ASTM A646 (4140)
ASTM A711
ASTM A752 (4140)
ASTM A829
SAE J1397 (4140)
SAE J404 (4140)
SAE J412 (4140)
UNS G41400

4140 Alloy Steel Threaded Rods