Complaint
Standard Specification for Corrugated Sheet Steel Beams for Highway Guardrail
AASHTO Designation:M180-11
1.SCOPE
1.1 This specification covers corrguated sheet steel prepared for use as beams in highway guardrails.
1.2 The values stated in SI units are to be regarded as the standard.
2.REFERENCED DOCUMENTS
2.1 AASHTO Standards
M120,Zinc
2.2 ASTM Standards:
A653/A653M,Standard Specification for Steel Sheet,Zinc-Coated(Galvanized) or Zinc-Iron Alloy-Coated(Galvannealed) by the Hot-Dip Process
3.CLASSIFICATION
3.1 Four types and two classes of guardrail are provided as follows:
3.1.1 Types:
Type I-Zinc coated,550g/€(1.80 oz/ft²) minimum single-spot.
Type II-Zinc coated,1100g/€ (3.60 oz/ft²) minimum single-spot.
Type III-Beams to be painted.
Type IV-Beams of corrosion resistant steel.
3.1.2 Classes:
Class A-Base metal nominal thickness-2.67mm(0.105 in.)
Class B-Base metal nominal thickness-3.43mm(0.135 in.)
4.MECHANICAL PROPERTIES
4.1 The mechanical properties of the base metal shall conform to the following requirements:
4.1.1 Beams and transition sections:
Yield Point,minimum,345 Mpa(50000 psi)
Tensile Strength,minimum 483 Mpa(70000 psi);
Elongation,in 50mm(2 in.),minimum,12 percent
4.1.2 End and buffer sections:
Yield Point,minimum,227 Mpa(33000 psi)
Tensile Strength,minimum 310 Mpa(45000 psi)
4.1.3 Test specimens for mechanical properties shall be prepared and tested as specified in ASTM A 653 except that correction for thickness of zinc-coated specimens shall be 0.08mm(0.003 in.) for Type I beam and 0.15mm(0.006in.) for Type II beam.
5.Production Process
6.Products
H/C/U/Sigma post with connect guardrail and end of the fish tail.
7.Related products
8.PRODUCT PACKAGING
9.CERTIFICATIONS
10.COMPANY PROFILE
11.Trip's way
It takes about 2 hours and from our company to JINNA YAOQIANG International Airport.
It takes about 2 hours and from our company to JINNA West High Speed Railway Station.
It takes about 1 hour and from our company to HANDAN East High Speed Railway Station.
You can come to visit our factory at any time,I will pick up the station.
12.Time of Delivery
Within 15-20 working days with receipt of the deposit(30%)
13.Terms of payment
TT:30% of the amount as deposit,the balance should be paid before shipment.
L/C:30% as deposit,the balance will be paid by sight L/C.
Other payment terms can be negotiated.
14.Contact me
Website:highwayguardrail.en.made-in-china.com
Address:Guanxian Economic Development Zone,Liaocheng,Shandong province,China.
