01
Complies with ASTM A416 / BS 5896
Produced to the standard written in your approved specification, so the strand is accepted without deviation requests.
ASTM A416 Grade 270
Low Relaxation
7-Wire
102.3 kN MBL
Prestressed Concrete Strand
9.53mm ASTM A416 Low Relaxation PC Strand
ASTM A416 Grade 270 Low Relaxation
9.53mm (3/8 inch) 7-wire prestressing steel strand conforming to ASTM A416 Grade 270 low relaxation. Ideal for precast concrete, railway sleepers, and bridge construction.
| Diameter | 9.53 mm (3/8 inch) |
|---|---|
| Grade | 270 ksi (1860 MPa) |
| Type | Low Relaxation |
| Structure | 7-wire |
| Min Breaking Load | 102.3 kN |
| Elongation | ≥ 3.5% |
Key features
Why engineers specify this strand
Four reasons 9.53 mm low-relaxation strand is written into precast and short-span specifications.
02
Excellent relaxation properties
Low-relaxation behaviour keeps long-term prestress losses predictable over the design life of the element.
03
Consistent mechanical performance
Uniform tensile, elongation and breaking load results from coil to coil make stressing calculations reliable on site.
04
Ideal for short-span prestressing
The smaller unit force per tendon suits precast elements, railway sleepers and bridge construction with tight cover.
Technical answer
What is 9.53 mm low-relaxation PC strand?
Definition
9.53 mm (3/8 inch) low-relaxation PC strand is a seven-wire, high-strength prestressing steel cable manufactured to ASTM A416 Grade 270 (1860 MPa) with a minimum breaking load of 102.3 kN and minimum elongation of 3.5%. Because the prestressing force per tendon is smaller than in the larger strand sizes, it is the practical choice for short-span prestressing and thinner sections where anchorage space and concrete cover are limited, while still delivering the low-relaxation behaviour that keeps long-term stress losses predictable.
Typical applications include precast concrete elements, railway sleepers and bridge construction. Global Overseas manufactures the strand on German Mannesmann production lines and tests it to ASTM A416 and BS 5896, and third-party inspection by SGS, BV or Intertek can be arranged before shipment from Qingdao. State your standard, coil weight or cut length, quantity and destination port in the inquiry so the offer matches your site handling.
Specification
What to state in the RFQ
Nominal diameter 9.53 mm, standard (ASTM A416 or BS 5896), grade, low-relaxation requirement, coil weight or cut length, quantity, packing method, destination port and any approved-vendor or inspection requirement.
Compatibility
Anchorage and equipment
Confirm the approved anchorage, wedge and jack interface before ordering. Strand selection must follow the project engineer’s drawings and the anchorage supplier’s compatibility requirements.
Related products
Other strand diameters
Prestressed Concrete Strand
12.7mm ASTM A416 Low Relaxation PC Strand
1/2 inch seven-wire strand for bridges, buildings and ground anchors.
View details
Prestressed Concrete Strand
15.24mm ASTM A416 Low Relaxation PC Strand
The primary strand size for long-span bridges and heavy civil works.
View detailsRequest a 9.53mm PC strand quotation
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