API 11B Alloy Steel Sucker Rod 5/8 to 11/8 Inch Diameter with 414-965 MPa Tensile Strength

Price Negotiable

Price: Negotiable

MOQ: Discussion

Delivery Time: Soonly

Brand: Zhongshi

Product Description

Product Overview

Zhongshi provides API 11B certified sucker rods manufactured from premium alloy steel in Grades D, K, and H. Our production process is strictly controlled with advanced equipment and professional testing to ensure superior quality and competitive pricing.

Grade Specifications & Applications

Grade C: Carbon or manganese steel construction for light to medium loads in non-corrosive or shallow well environments
Grade D: High-quality alloy steel with heat treatment for high strength, excellent plasticity, and extended service life in deep well applications
Grade K: Nickel-chromium-molybdenum alloy steel offering superior corrosion resistance for demanding well conditions

Technical Specifications

Size (in)	Thread D. (in)	Rod D. (in)	Length (ft)	Length of Thread (mm)	Outside Diameter of Pin Shoulder (mm)	Length of Wrench Square (mm)	Width of Wrench Square (mm)
5/8	15/16	5/8	2, 4, 6, 8, 10, 25, 30	31.75	31.8	≥ 31.8	22.20
3/4	11/16	3/4	36.50	38.10	25.40	-
7/8	13/16	7/8	41.28	41.30	-	-
1	13/8	1	47.63	50.80	≥ 38.1	33.30
11/8	19/16	11/8	53.98	57.20	≥ 41.3	38.10

Mechanical Properties

Grade	Yield Strength Rel (MPa)	Tensile Strength Rm (MPa)	Percentage Elongation A (%)	Contraction Percentage of Area Z (%)	Impact Toughness a(3/cm²)
C	≥ 414	620-793	≥ 12	≥ 55	≥ 70
K	≥ 414	620-793	≥ 12	≥ 55	≥ 70
D	≥ 620	794-965	≥ 10	≥ 50	≥ 58.85

Chemical Composition

AISI	C	Si	Mn	S	P	Cr	Ni	Mo	V	Cu	Al
1541	0.36-0.45	0.15-0.35	1.35-1.65	≤0.04	≤0.04	≤0.3	≤0.35	≤0.06	0.04-0.09	≤0.35	≤0.035
4130	0.26-0.33	0.17-0.37	0.4-0.7	≤0.025	≤0.025	0.8-1.1	≤0.3	0.15-0.25	/	≤0.2	/
4120	0.17-0.24	0.17-0.37	0.4-0.7	≤0.025	≤0.025	0.8-1.1	≤0.3	0.15-0.25	/	≤0.2	/
4138	0.37-0.45	0.17-0.37	0.9-1.2	≤0.025	≤0.025	0.9-1.2	≤0.3	0.2-0.3	/	≤0.2	/
4138M	0.37-0.45	0.17-0.37	0.9-1.2	≤0.025	≤0.025	0.9-1.2	≤0.3	0.2-0.3	0.04-0.09	≤0.2	/
4140	0.38-0.45	0.17-0.37	0.5-0.8	≤0.025	≤0.025	0.9-1.2	≤0.3	0.15-0.25	0.04-0.09	≤0.2	/
4142	0.38-0.45	0.17-0.37	0.5-0.8	≤0.025	≤0.025	0.9-1.2	≤0.3	0.15-0.25	0.04-0.09	≤0.2	/