ASTM A193 B7/B7m/B16 Threaded Rods

• Material: High Strength Steel
• Type: Round Head
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Grade: ASTM A193 B7/B7m/B16
• Model NO.: Threaded Rods
• Application: Chemical Industry, Environmental, Building
• Finish: Black
• Surface: Self Color,Black, Zinc-Coated
• Transport Package: Wooden Pallets
• Specification: 1/2"--4"
• Trademark: Laiwu Xincheng
• Origin: China
• HS Code: 73181900
• Production Capacity: 3000tons/Month

Product Description

ASTM A193 B7/B7M/B16 Threaded Rods

ProductName:THREAD ROD

ASTM A193 B7/B7M/B16  1/2"--4"
ASTM A320 L7/L7M           1/2"--2 1/2"

MATERIAL: 4142,4140
FINISH: Self Color, Blacken, Zinc coated and so on.

THREAD ROD WITH NUTS
ASTM A193 B7-ASTM A194 2H
ASTM A193 B7M-ASTM A194 2HM
ASTM A320 L7-ASTM A194 GR.7
ASTM A320 L7M-ASTM A194 GR7M
MATERIAL: 1040,1045,4140,4142
FINISH: AVAILABLE IN VARIOUS FINISH
 

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

 

Element	B7 (AISI 4140)	B8 (AISI 304)	B8M (AISI 316)
Carbon	0.38 - 0.48%	0.08% max	0.08% max
Manganese	0.75 - 1.00%	2.00% max	2.00% max
Phosphorus, max	0.04%	0.05%	0.05%
Sulfur, max	0.04%	0.03%	0.03%
Silicon	0.15 - 0.35%	1.00% max	1.00% max
Chromium	0.80 - 1.10%	18.0 - 20.0%	16.0 - 18.0%
Nickel		8.0 - 11.0%	10.0 - 14.0%
Molybdenum	0.15 - 0.25%		2.00 - 3.00%