astm a312标准中无缝管不要求退火。
astm a312
Standard Specification for Seamless,Welded,and Heavily Cold Worked Austenitic Stainless Steel Pipes
无缝、焊接和深度冷加工奥氏体不锈钢管标准规范
冷加工奥氏体不锈钢焊接管和无缝管
说明:ASTM是美国材料与试验协会(American Society for Testing and Materials,ASTM)标准。

In 2011, we began our rebranding mission to help our business focus on the aforementioned customer base. As a result, Viet Thuong Industrial Company Limited was born.

Viet Thuong has become an importer, representative and distributor of a wide range of metal and non-metal products in different industries. Our main products include pipes, plates, coils, pipe fittings, flanges, valves, bolts, sealing materials, camlock couplings used for shipbuilding, marine services, offshore oil and gas.
offshore, power plant, construction and maintenance services.

Viet Thuong Industrial is expecting to be an influential global supplier in Pipeline sectors, with an extensive inventory of top-quality metal and non-metallic products, we are committed to providing unparalleled customer experience and competitive pricing

Our goal is to build long-term relationships with our customers and suppliers, ensuring their satisfaction and success.

With our new brand – HOJA offers a wider range of high-quality products for various industries. Trust us to deliver unrivaled quality, reliability, and efficiency for all your needs
Founder – VO DUY TRUNG

2011年,我们开始了品牌重塑的使命,以帮助我们的业务专注于上述客户群体。因此,Viet Thuong Industrial Company Limited应运而生。
Viet Thuong已成为不同行业中各种金属和非金属产品的进口商、代理商和分销商。我们的主要产品包括管道、板材、卷材、管件、法兰、阀门、螺栓、密封材料以及用于造船、海洋服务、海上石油和天然气的凸轮锁紧接头。
海上风电场、发电厂、建设与维护服务。
越通工业公司期待成为管道行业具有影响力的全球供应商,我们拥有大量优质金属和非金属产品库存,致力于为客户提供无与伦比的体验和具有竞争力的价格
我们的目标是与客户和供应商建立长期合作关系,确保他们满意并取得成功。
凭借我们的新品牌——HOJA,我们为各行各业提供更广泛的高品质产品。相信我们能够满足您所有需求,提供无与伦比的质量、可靠性和效率。创始人——VO DUY TRUNG

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