When weathering steel is allowed or specified in the Contract Documents:ASTM A709 Grade 50W may be substituted for ASTM A709 Grade 36 or Grade 50, and AASHTO M270 Grade 50WT2 may be substituted for AASHTO M270 Grade 50T2. When substituting weathering steel for the structural steel shown in the Contract
751.3 Structural Steel Design Properties - Engineering May 17, 2019 · All structural steel will be AASHTO M270/ASTM A709 Grade 36 (F y = 36 ksi) or Grade 50 (F y = 50 ksi) and structural steel HP piling will be AASHTO M270/ASTM A709 Grade 50S (F y = 50 ksi) except where weathering steel (AASHTO M270/ASTM A709 Grade 50W steel) is indicated on the Design Layout or in special cases.
A709 Gr.50W can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc. Join Supplier:[email protected]
ASTM A709 - SSABASTM A709 The ASTM A709 is the Standard Specification for Structural Steel for Bridges and encompasses carbon, high-strength low-alloy, and quenched and tempered alloy steels used as structural plates in the construction of bridges. SSAB offers the following five grades of A709; 36, 50, 50W, HPS 50W and HPS 70W.
ASTM A709 Steel, grade 50 and 50W, 100 mmASTM A709 Steel, grade 50 and 50W, 100 mm Categories:Metal; Ferrous Metal; Alloy Steel; Low Alloy Steel; ASTM Steel; Carbon Steel; Low Carbon Steel. Material
Grade 50W [345W], or HPS 50W [HPS 345W] shall not be substituted for Grades 36 , 50  or 50S [345S] without agreement between the purchaser and the supplier. 1.3 When the steel is to be welded, it is presupposed that a welding procedure suitable for the grade of steel and intended use or service will be utilized.
ASTM-A709 Standard Specification for Structural Steel Grade 50W [345W], or HPS 50W [HPS 345W] shall not be substituted for Grades 36 , 50  or 50S [345S] without agreement between the purchaser and the supplier. 1.3 When the steel is to be welded, it is presupposed that a welding procedure suitable for the grade of steel and intended use or service will be utilized.
FHWA Bridge Inspector's Manual Section 2.3 and 2.4 (A709 Grade 50W) M222 (M270 Grade 50W) 1968-Present (1974-Present) High-Strength Low-Alloy Steel H-Piles and Sheet Piling A690 1974-Present Quenched and Tempered Low-Alloy Structural Steel Plate with 70 ksi Minimum Yield Strength to 4 inches Thick A852 (A709 Grade 70W) M313 (M270 Grade 70W) 1985-Present (1985-Present)
HPS 50W:Steels for Bridges ASTM A709-01 first added grade HPS 50W. This high performance bridge steel has the identical chemistry as HPS 70W. It will most often be produced by as-rolled or control-rolled practices. ASTM A709 also allows it to be Thermo-Mechanical Controlled Processed (TMCP), with or without accelerated cooling, normalized, quenched
ITEM 564.4000NN16 - HIGH PERFORMANCE STEEL, HPS The requirements of A709 Section 5 Heat Treatment is hereby modified to permit the use of non-heat treated material (TMCP). The Contractor is advised that quenched and tempered HPS 70W steel plates may be limited to a 50 foot maximum delivery length from the mill. All non-HPS elements shall meet the requirements of ASTM A709M Grade 50W
M270 vs. A709:Grade Comparison Leeco Steel, LLCOct 13, 2020 · Both M270 and A709 have weathering grades represented by a W, as with A709 Grade 50W which contain additional alloys that help them better endure extreme weather conditions. A709 also has high-performance standard (HPS) grades, which offer a balance of strength, weldability, corrosion resistance and ductility.
Interactive Aashto M270 Grade publications. Read, download and publish Aashto M270 Grade magazines, eBooks for Free at FlipHTML5.
SECTION 6:STEEL STRUCTURES - Home ADOTStructural steel shall conform to the requirements specified in AASHTO LRFD Table 6.4.1-1, with the selection based on strength, serviceability and overall economy. All structural steels shall be ASTM A709 Grade 50 or 50W (AASHTO M270 Grade 50 or 50W). ASTM A709 Grade 36 (AASHTO M270 Grade 36) steel may be used for miscellaneous
SECTION 6:STEEL STRUCTURES - Home ADOTshall be ASTM A709 Grade 50 or 50W (AASHTO M270 Grade 50 or 50W). ASTM A709 Grade 36 (AASHTO M270 Grade 36) steel may be used for miscellaneous applications, such as, anchor bolts, expansion joints, rods etc. All miscellaneous steel hardware exposed to weathering action shall be galvanized. 6.4.3 Bolts, Nuts and Washers All structural fasteners shall be high-strength bolts, ASTM
A709/A709M Grade AASHTO M270M/ M270 Grade SI [U.S.] Other Specifications Yield Strength Minimum, ksi [MPA] Plate Dimensions* Thickness inches Width inches Length inches 36 250  A36/A36M 36  Up to 4.00 Up to 152 Up to 1020** 50 345  A572/A572M Grade 50  50  Up to 4.00 Up to 152 Up to 1020**
View Q&A University of NebraskaLincolnSep 14, 2010 · A709 grade 50W has nearly identical properties to 50S but is corrosion resistant (weathering steel) So, perhaps the specifications should state:(note both 30 ksi and 50 ksi steel are already approved for use in specs) For 36 ksi steel " A36/A36M or A709/A709M grade 250 For 50 ksi steel " A992/A992M or A709/A709M grade 50S.ASTM A709 / A709M - 18 Standard Specification for
SpecificationsPurposeAvailabilityExamplesQualificationInternational1.1 This specification covers carbon and high-strength low-alloy steel structural shapes, plates, and bars, quenched and tempered alloy steel, and stainless steel for structural plates intended for use in bridges. Twelve grades are available in five yield strength levels as follows:1.2 Grade HPS 70W [HPS 485W] or HPS 100W [HPS 690W] shall not be substituted for Grades 36 , 50 , 50S [345S], 50W [345W], or HPS 50W [HPS 345W]. Grade 50W [345W], or HPS 50W [HPS 345W] shall not be substituted for GrA709 Structural, Carbon & HSLA Steel Plate - Chapel SteelASTM A709 A high-strength, low-alloy structural steel plate utilized primarily in the manufacture of bridges. Chapel Steel stocks A709 Grade 36, A709 Grade 50 and A709 Grade 50W. These grades are often specified with Charpy tests referencing the specific zone or lowest anticipated service temperature.