Fine Grain Quenched And Tempered Steel Plate Hot Rolled For Sour Gas Service
|Place of Origin:||China|
|Certification:||ISO9001:2015, ABS, BV, CCS, DNV GL, NKK|
Payment & Shipping Terms:
|Minimum Order Quantity:||5 metric tons|
|Packaging Details:||Standard seaworthy packing for export|
|Delivery Time:||15 days|
|Payment Terms:||L/C, T/T|
|Supply Ability:||3000 metric tons per month|
|Material:||Low Alloy Steel||Process:||Hot Rolled|
|Shape:||Flat Plate||Surface Treatment:||Plain And Smooth|
|Length:||Up To 12000mm||Condition:||Quenched And Tempered|
heavy steel plate,
tool steel plate
550HBW high strength hardened wear resistant low alloy steel structural plate
550HBW steel, with a nominal hardness of 550 HBW and toughness close to 500HBW steel, increases wear life but not at the expense of crack integrity.
550HBW steel is supplied in plate thickness of 8.0 – 65 mm, up to 2900 mm in width and up to 14630 mm in length. More detailed information on dimensions is provided in the dimension program.
|8.0- 65.0||525- 575|
(1) Brinell hardness, HBW, according to EN ISO 6506-1, on a milled surface 0.5 – 3 mm below surface. At least one test specimen per heat and 40 tons. The nominal material thickness will not deviate more than ± 15 mm from that of the test specimen.
Minimum core hardness is 90% of the guaranteed minimum surface hardness.
Longitudinal test, Typical Impact energy,
Charpy V 10 x10 mm test specimen
|550HBW steel||30 J / -40°C|
Chemical Composition, %, max
Tolerances meet the requirements of EN10029 Class A but offers more narrow tolerances.
Length and Width
Tolerances conform to EN 10029.
Tolerance according to EN 10029.
Tolerances according to EN 10029 Class N.
EN 10163-2 Class A Subclass 1.
The delivery condition is Q or QT (Quenched or Quenched and Tempered). The plates are delivered with sheared or thermally cut edges. Untrimmed mill edges available by agreement.
Fabrication and Other Recommendations
Welding, bending and machining.
550HBW steel is not intended for further heat treatment. It has obtained its mechanical properties by quenching and when necessary by means of subsequent tempering. The properties of the delivery condition cannot be retained after exposure to temperatures in excess of 250 ºC .
Appropriate health and safety precautions must be taken when welding, cutting, grinding or otherwise working on this product. Grinding, especially of primer coated plates, may produce dust with a high particle concentration.