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Description
Barre acier carré 25x25 mm - XC48Un acier apprci par les professionnels de la mcanique et de l'industrie La barre en acier XC48 est particulirement prise par les ingnieurs, mcaniciens et artisans pour sa teneur moyenne en carbone (environ 0,45%), lui confrant une bonne rsistance mcanique et une aptitude aux traitements thermiques. Cette nuance est idale pour la fabrication de pices ncessitant une combinaison quilibre de duret et de tnacit. Applications concrtes : des pices robustes
Un acier apprécié par les professionnels de la mécanique et de l'industrie
La barre en acier XC48 est particulièrement prisée par les ingénieurs, mécaniciens et artisans pour sa teneur moyenne en carbone (environ 0,45%), lui conférant une bonne résistance mécanique et une aptitude aux traitements thermiques. Cette nuance est idéale pour la fabrication de pièces nécessitant une combinaison équilibrée de dureté et de ténacité.
Applications concrètes : des pièces robustes pour des usages variés
Grâce à ses propriétés mécaniques fiables, l'acier XC48 est recommandé pour la réalisation de :
- Axes et arbres de transmission : offrant une résistance optimale aux torsions et aux charges modérées.
- Engrenages et pignons : assurant une transmission de puissance efficace et durable.
- Pièces de machines-outils : telles que des mandrins ou des porte-outils, nécessitant une bonne usinabilité et une résistance adéquate.
- Éléments de fixation : comme des boulons et des écrous, garantissant des assemblages solides.
Les avantages distinctifs de la nuance XC48
L'acier XC48 se distingue par :
- Bonne usinabilité : facilitant les opérations de tournage, fraisage et perçage, tout en assurant une finition de qualité.
- Aptitude aux traitements thermiques : permettant d'améliorer les propriétés mécaniques, notamment en augmentant la dureté superficielle.
- Équilibre entre résistance et ductilité : assurant des pièces capables de supporter des charges modérées tout en conservant une certaine flexibilité.
Attention : en raison de sa teneur en carbone, l'acier XC48 présente une soudabilité limitée. Il est recommandé de prendre des précautions particulières lors des opérations de soudage, telles qu'un préchauffage approprié et un traitement thermique post-soudage pour éviter les fissurations.
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4.0 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Here's to Stinkbird!
Format: Hardcover
I love a story where I learn something new. I think young readers will delight in following Baby Stinkbird as he discovers his superpower. While he has many amazing traits, like his poopy smell and falling into a river (both of which keep him safe from predators), he has one fabulous talent that no other baby birds have. So dive in and find out more about Stinkbird’s adventures.
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Reviewed in the United States on November 30, 2023
★★★★★ 4
so fun!
Format: Kindle
With a title like Stinkbird Has a Superpower, I obviously had to grab a copy and read it. To be honest, when I first saw it, I didn’t realize the stinkbird is a real bird – otherwise known as the hoatzin which lives in the Amazon rainforest. I thought it was more of a cartoon character name, but I was wrong and that new knowledge made the book all the more appealing to me.
I’m firmly in the camp that believes a children’s book should be one that both adults and kids can enjoy, and Stinkbird Has a Superpower definitely fits the bill! I chuckled at the back and forth between the father bird and his baby – the little chick was seriously adorable in both appearance and interaction. I learned a lot of interesting facts, and I loved the bright colors and vivid illustrations. And I think my nephews will be delighted to learn more about the stinkbird on the pages of this fun book, too (because what little boy wouldn’t want to learn about a stinky creature? lol). The format of the conversation between the father and chick allows similar engagement on the part of the adult/child reader pairing, and I foresee copious giggles from my nephews on a couple of pages.
Bottom Line: Colorful illustrations, intriguing science, a surprising superpower (that isn’t what you think it’s going to be) and of course a stinkbird – Stinkbird Has a Superpower by Jill Esbaum and Bob Shea has all the ingredients for a fun and educational picture book, and the result is delightful in every way! Children and adults alike will love this book, and they’ll learn a lot at the same time. A great book for parents, grandparents, aunts, uncles, teachers, and anyone who has littles in their lives to add to their library.
(I voluntarily reviewed a complimentary copy of this book)
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Reviewed in the United States on July 16, 2023
★★★★★ 5
True facts in a really fun, sweet story
Format: Hardcover
I’m not usually a fan of informational books, but this one gives lots of cool facts about a certain bird by weaving them into a fun, sweet father/son story. Pictures are adorable too!
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Reviewed in the United States on July 28, 2023
★★★★★ 5
Fun and filled with facts
Format: Hardcover
Stinkbird is a humorous, kid-centric tale featuring the Amazonian hoatzin bird. It's filled with interesting facts about this stinky bird. Esbaum's distinct, fun voice is inviting, and Shea's illustrations are lush and colorful. Backmatter is engaging and amusing, too! This will be a terrific addition to classrooms, libraries, and home bookshelves.
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Reviewed in the United States on June 14, 2023
★★★★★ 5
READ BEFORE GIVING TO A CHILD
Format: Paperback
Five stars in hopes it is listed at the top.
PLEASE read before you give this to your child! The art work is gorgeous, a very gift able book! I got this for my dragon loving 11yr old as a Christmas book to enjoy in December. Let me just tell you a quick run down of the book.... this child is the only child left unadopted at an orphanage run by a nasty woman and her evil dog. The woman is annoyed by the child and as punishment she cancels Christmas and puts a chain around her ankle and locks her in a dog kennel (yes it says this many times, not simply implied but directly said it and a drawing of it). Finally a little Christmas magic and glimmer of joy when a snow dragon frees her for one quick adventure. That portion is a cute story but it's a very short part in the book. When the adventure is over the child is snuck back in and ankle chain back on and back in the dog kennel. The mean woman returns and says it's time to play a game called "chase".....then the book details what this game is.... this mean woman makes the orphans hold bones and tells them to run, then her evil dog is allowed to chase the kids (scary, not a fun dog frolicking with happy children).....finally at the end the little girl and her sweet dancing dog are adopted. But this book is so sad, this is not a sweet story or Christmas fun. I'm returning the book bc I feel like it will make my child sad instead of enjoy a cute Christmas story. If you are an adoptive parent or a foster parent this may really trigger your children, any child who is sensitive would probably not like this book. However every child is different so for some kids they may be less bothered and just enjoy the dragon and cute last page with the new family walking away together. But read the book for yourself before giving it to a child. I'm 37 with no history of childhood trauma myself and I found this book to be a bit much. I use to be a foster mom and I really wanted to write a review so parents would understand what's in this book bc I almost didn't read it before giving it to my child for Christmas! Glad I read it! The story could have been adorable if they let the dragon be the main part of the story. Not the abuse the child is suffering in the orphanage.
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Reviewed in the United States on November 30, 2025