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ISO 630-6-2014 pdf free download
ISO 630-6-2014 pdf free download.Structural steels Part 6:Technical delivery conditions for seismic-improved structural steels for building
Aciers de construction — Partie 6: Conditions techniques de Iivraison pour aciers de construction améliorés sismiques pour bâtiment.
heat treatment applied to a ferrous product, generally after quench hardening, or another heat treatment to bring the properties to the required level, and consisting of heating to specific temperatures (<Ad) and soaking for an appropriate duration followed by cooling at an appropriate rate
Note ito entry: Additionally, the following may apply: processes of direct quenching plus tempering.
steel rolled with a process in which the final deformation is carried out in a certain temperature range leading to a material condition with certain properties which cannot be achieved or repeated by heat treatment alone
Note I to entry: Hot forming or post weld heat treatment above 580 °C may lower the strength values and should not be performed. Flame straightening may be applied in accordance with relevant technical recommendations.
Note 2 to entry: Thermomechanical rolling can include processes wfth an increasing cooling rate with or without tempering including self-tempering but excluding direct quenching and quenching and tempering.
Note 3 to entry: In some publications the term Thermomechanical Control Process is also used.
4 Classification and designation
The steel grades specified in this document shall be classified as unalloyed or alloy quality steels.
4.2 Grades and Qualities
This document specifies four (4) steel grades— Grades SA235, SA325, SA345, and SA440. Each grade is available in up to three (3) qualities.
— Quality A: no impact testing
— Quality C: impact testing at 0 °C
— Quality C+: impact testing at 0 °C and through-thickness characteristics testing
5 Information to be supplied by purchaser
5.1 Mandatory information
The information that shall be supplied by the purchaser at the time of the order is specified in Iso 630-1.
The options of ISO 630-1 apply. In addition, the following options apply to products according to this part of ISO 630. If the purchaser does not indicate a wish to implement any of these options at the time of the order, the products shall be supplied in accordance with the basic specification (see 5JJ.
a) Testing of impact properties in the transverse direction using Charpy V-notch test pieces in accordance with ISO 630-1.
b) Testing of tensile and impact properties at a frequency per each plate as heat-treated.
c) On special request of the purchaser, the manufacturer shall inform the purchaser at the time of the order which of the alloying elements appropriate to the steel grade required will be deliberately added to the material to be delivered and reported in the heat analysis.
© ISO 2014— All rights reerved
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d) On special request of the purchaser, the manufacturer shall inform the purchaser at the time of the order which of the alloying elements appropriate to the steel grade required will be deliberately added to the material to be delivered and reported in the product analysis. The product analysis shall be carried out at an agreed frequency when specified at the time of the order.
e) Through thickness characteristics Class 25 in accordance with ISO 7778 (see
6.1 Steel-making process
See ISO 630-1.ISO 630-6-2014 pdf free download.
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