ASTM A193 B7 High-Tensile Threaded Rod

• Material: High Strength Steel
• Connection: Threaded
• Head Style: Round
• Standard: DIN, ANSI, JIS, BSW, GOST
• Grade: A193 B7
• Application: Machinery, Chemical Industry, Environmental, Building
• Model NO.: ASTM A193 B7
• Finish: Black
• Delivery Condition: Plain, Black Oxidized, Zinc Plated (White, Yellow,
• Transport Package: Wooden Pallet
• Specification: 3/8"-4"
• Trademark: Laiwu Xincheng
• Origin: China
• HS Code: 73181900
• Production Capacity: 3000tons/Month

Product Description

ASTM A193 B7 High-Tensile Threaded Rod

1.ASTM A193 B7 theaded rod property

Grade	Sizes	Tensile ksi, min	Yield, ksi, min	Elong, %, min	RA % min	HBW	HRC
A193 B7	Up to 2-1/2	125	105	16	50	321 max	35 max
	2-5/8 - 4	115	95	16	50
	4-1/8 - 6	100	75	18	50

2.ASTM A193 B7 chemical composition

Element	B7 (AISI 4140)
Carbon	0.38 - 0.48%
Manganese	0.75 - 1.00%
Phosphorus, max	0.04%
Sulfur, max	0.04%
Silicon	0.15 - 0.35%
Chromium	0.80 - 1.10%
Molybdenum	0.15 - 0.25%

3.Specifica6tions;

Surface Treatment:	Zinc-plating, Geomet, Dacromet, Black Oxide, Phosphatizing, Powder Coating  and Electrophoresis.
Standard:	ISO, DIN, ANSI, JIS, BS and Non-standard.
Products Range:	3/8"-4"
Sample Service:	Samples for standard stainless steel fasteners are all in free.
Lead Time:	10-45 days after order confirmed
MOQ	10PCS per sizes

A193 Mechanical Properties
 

Grade	Size	Tensile ksi, min	Yield, ksi, min	Elong, %, min	RA % min	HBW	HRC
B7	Up to 2-1/2	125	105	16	50	321 max	35 max
	2-5/8 - 4	115	95	16	50
	4-1/8 - 7	100	75	18	50
B8 Class 1	All	75	30	30	50	223 max	35 max
B8M Class 1	All	75	30	30	50	223 max	96 max
B8 Class 2	Up to 3/4	125	100	12	35	321 max	35 max
	2007/8/1	115	80	15	35
	1-1/8 - 1-1/4	105	65	20	35
	1-3/8 - 1-1/2	100	50	28	45
B8M Class 2	Up to 3/4	110	95	15	45	321 max	35 max
	2007/8/1	100	80	20	45
	1-1/8 - 1-1/4	95	65	25	45
	1-3/8 - 1-1/2	90	50	30	45