Project Location：Germany
Product：Welded Steel Pipe
Standard and material：ASTM A691, ASME B31.3, SA387 Gr.11 Cl.2
Specifications：OD800-1100MM WT 16-50MM length in 1000-9000mm.
Usage：Pressure Vessel
Inquiry Time： Feb Of 2022
Order Time：Aug Of 2022
Shipping Time：Oct Of 2022
Estimated Arrival Time：Dec Of 2022
This is a continue purchasing order from my regular customer since 2018 year.
The product with standard and steel grade as:ASTM A691, ASME B31.3, SA387 Gr.11 Cl.2 which is similar requirement with the purchasing order at 2019 year.
The technical requirement is very complex and specify , for example：
Ovality and diameter: acc. ASTM A691, Pipe Ends aspire to reach max. 3 mm
Length: +3/-0 mm
– Vacuum degassed and quenched or normalized and
tempered
– Tempering temp. min. 720°C -0°C/+20°C
– J=(Si+Mn)x(P+Sn)x10000=max. 150
– %Mn+%Si=max. 1,25%
– U.T. on plates acc. to SA 578 / Level B
Max. 225 HBN also in the heat affected zone of weld
# RT-Testing 100% acc. ASME Code Section V, Article 2 / ASME B31.3 Normal and Category
M Fluid Service
# MT-Testing 100% acc. ASME Code Section V, Article 7 / ASME B31.3 Normal and Category
M Fluid Service
#VT-Testing 100% acc. ASME Code Section V, Article 9 / ASME B31.3 Normal and Category M
Fluid Service
#Impact Test at -27°C (min. 55J/single min.47J)
Pressure test: 70bar min. 30 minutes acc.
Each heat, 3xPWHT on testing piece circling heat treatment
– WPS, PQR and welder deployment list
– 3.2 EN 10204 for plates-base material / ASME Sec. II Part A SA20/pt.19
– 3.2 EN 10204 for pipe
As we supplied the similar qualified products for this kind of pipes before, so the customer keep purchasing from us for this order.
In the past five years of cooperation, we have been cooperating to win the trust of customers, because every time we supply quality as the principle of priority. Our Product quality has been approved by customers and end user, at the same time, I also continue to provide customers with some information help, the boss of the customer company also sent the company notice that: From now on, purchase orders prefer Xinyue Steel Group if they can supply before placing an order. I am very grateful to our customers for trusting us so much.
In the future I will give more back to my customers, service and support my customers. I hope my client can get more project cooperation in his market.
So we can build the WIN-WIN together during business and long term cooperation relationship.
Written by Curtis