Astm A416 Low Relaxation 12.7mm High Carbon Prestressed Steel Strand

Short Description:

Standard: AISI, ASTM, BS, DIN, GB, JIS Place of Origin: Tianjin, China (Mainland) Type: Drawn Wire Application: Construction Alloy Or Not: Non-alloy Special Use: Cold Heading Steel Model Number: 1×7 Brand Name: chunpeng Product name: astm a416 low relaxation 12.7mm high carbon prestressed steel strand Material: 82B/77B Tensile strength: 1860Mpa Diameter: 8.0-28mm Certification: BV/ISO9001:2000/ SGS Structure: 1*3/1*7/1*19 Grade: 270 Standard: ASTM A416, BS5896, EN10138 Relaxation: Low r...


Product Detail

Product Tags

Standard:

AISI, ASTM, BS, DIN, GB, JIS

Place of Origin:

Tianjin, China (Mainland)

Type:

Drawn Wire

Application:

Construction

Alloy Or Not:

Non-alloy

Special Use:

Cold Heading Steel

Model Number:

1×7

Brand Name:

chunpeng

Product name:

astm a416 low relaxation 12.7mm high carbon prestressed steel strand

Material:

82B/77B

Tensile strength:

1860Mpa

Diameter:

8.0-28mm

Certification:

BV/ISO9001:2000/ SGS

Structure:

1*3/1*7/1*19

Grade:

270

Standard:

ASTM A416, BS5896, EN10138

Relaxation:

Low relaxation

Elongation:

Min. 3.5%

Packaging Details

step 1: Coils are wrapped by 8 steel strips; 
step 2: Wrapped by waterproof cloth; 
step 3: Wrapped by 8 steel strips (6+2) ; 
step 4: Added with wood pallet.

PRODUCTION PROCESS

Inspection on wire rod→Surface treatment of wire rod→Wire drawing→Inspection on semi-product→Twisting & stabilizing treatment→Winding→Inspection on finished products→Packing→Stored in warehouse

 

Shipping: the coil weight is around 2.5-3.5 tons if no special requirement, one full 20ft container is able to load 27 tons, therefore there are 8-10 coils in each container.

ASTM a416

Grade Nominal Diameter Tolerance Section Area Mass Per 1m Breaking Load Min. Load at 1% Extension (L0>=500mm)Elongation Max Load Not less than  The Relaxation at 1000 Hours (r/%)
Inch MM
270k 3/8 9.53 +0.65/-0.15 54.84 432 102.3 92.1 3.5 2.5
7/16 11.11 74.19 582 137.9 124.1
1/2 12.7 98.71 775 183.7 165.3
3/5 15.24 140 1102 260.7 234.6

.

Inspection

Both ends of one pc strand coil shall be inspected through stress relaxation test, 

tension test, hydraulic universal test, bending test and boroscope test, etc.


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