API 11B Grade D High Strength Sucker Rod ANSI 4138/M

Octal offers API 11B Grade D high strength suck rod material in ANSI 4138M.

Chemical properties and mechanical strength

Both sucker rod ANSI 4138M and 4330M are high strength rods. 4138M chemical composition percentage content C is 0.38-0.43, Mn is 1.10-1.40, S maximum 0.025, P maximum 0.025, Si 0.20-0.40, Ni maximum 0.30, Cr 0.50-0.90, Mo 0.25-0.35, V 0.04-0.07, Nb 0.025-0.045, Al 0.01-0.07, Cu maximum 0.25. Minimum yield strength is 115 ksi, tensile strength is 138-155 ksi. Heat treatment is normalized and tempered.

(These values are references values, based to comply with API 11B standard specification, manufacturer reserve the right to modify it according to internal specification.)

Supply Range for Sucker Rod 4138/M

Standards: API Spec 11B
General Grades: Grade D, Grade KD
High Strength Sucker Rod Grades: Grade H, HY, HL, KHL
Sucker Rod Material Available in: AISI 4138M
Outer Diameter of sucker rods 4318/M: 5/8”, 3/4”, 7/8”, 1”, 11/8”, 1 1/4”, 1 1/2”, 1 3/4”
Length of Sucker Rods: 2Ft, 4Ft, 6Ft, 8Ft, 10Ft, 25Ft, 30Ft, and customized
Ends Type: Reduced Diameter, SM (slim hole) coupling.
Coupling material 5140
Rods Type:
Sucker Rods
Sinker Bar
Centralized Sucker Rod
Anti-Twist Sucker Rod

Our advantages for supply sucker rod 4138M

1. Successful supply experiences in North and South of America, Middle East, South East Asia.
1. API Certificate in valid period.
2. R&D Ability professional technicians.
3. 100% Inspection on sucker rods body, threads and couplings.
4. 0 Defects.

Sucker rods 4138M sample description

Sucker Rod, Type solid, use BCP, length 25ft, diameter 1-1/2”, connection type and size pin 1-1/8”, coupling class T, material alloy steel AISI 4330M or 4138M, minimum tensile stress 115.000 psi, grade API 11B D. Design torque 3750 lbs/ft, torque operative minimum 3150 lbs/ft.
Quantity: 4500 pieces
Additional specs:
1) Sucker rod shall have thread protector and special grease to protect against corrosion.
2) Sucker rod shall be transported in boxes.
3) It shall include coupling for connection size 1 1/8”, type BOX x BOX