1)Standards:
ASTM A213 ASTMA312 ASTM A7899/ASME SA789 GB1329-2007 EN10216-5
2)Process method:
Cold drawn, cold pilgered and welded
3)Surface finishing:
Annealed/picking
4)Sizes:
O. D: 6_219mm W. T: 0.9_25mm
5)Material:
A wide range of materials specific materials are chosen at the clients requirement
6)Packing:
1PC/plastic bag in bundles or seaworthy wooden cases
7)Main advantages:
High quality and reasonable price and good services especially made for the correspondent requirement and relevant application condition widely used in many areas
8)Examination:
Ultrasonic Examination and Eddy current testing
9)Usage:
A) Various industrial pipes and tubes for different purposes
B)Tubes for boiler and heat exchanger
C)Seamless stainless steel pipe for pressure equipments
| Name |
Stainless Steel Seamless Pipe(304 ) |
| Standard |
ASTM, GB, JIS, DIN, EN, AISI |
| Material Grade |
TP304 TP304L TP316 TP316L TP347 TP347H TP321 TP321H TP310 TP310S |
| TP410 TP410S TP403 |
| S31803/S32205 S32750 S32760 |
| Outer Diameter |
Seamless Pipe: 4mm-914.4mm |
| Welded Pipe: single slit(Φ8mm-Φ630mm); girth(Φ630mm-Φ3000mm), |
| Thickness |
Seamless Pipe: 0.6mm - 60mm |
| Welded Pipe: single slit(0.5mm-25mm);girth(3mm-45mm) |
| Length |
5.8-6.1 m or as customers' request |
| Tolerance |
Acording to the Standard. |
| Surface |
180G, 320G, 400G Satin / Hairline |
| 400G, 500G, 600G or 800G Mirror finish |
| Application |
Petrochemical industry, chemical fertilizer industry, oil refining industry, oil and gas industry, light industry and food industry, pulp and paper industry, energy and environmental industries. |
| Test |
UT, ET, HT, RT,ect, and others according to the standard,or as the requests of the customers |
Company Profile
As a professional vendor in the stainless steel marketplace, DA PU produce Variety of stainless steel product ,including pipes &Tubing ,( seamless and welded),Coil.Bar,Rod,Sheet,Tee,Elbow,Valve,Fitting,Flange,Special Section Pipe etc. Most of products meet or exceed the expectations our customers hold. History Since 2005, DA PU has been a leader in the stainless steel marketplace
Welcome customers all over the world come to our company to give guidance for development
4. FAQ:
Q1: What's the advantage of your company?
A: Our company specialized in stainless steel industry for more than 20 years ,in trading for more than 10years. We know how to solve any kinds of emergency accident during trading to give you a high quality and safety services ..
Q2: I do not have experience to purchase from China before. How to start my first order?
A: It is easy and simple. Please feel free to contact with us. Experienced team is ready to help you step by step.
Q3: Can I get some samples?
A: Yes, we're honored to offer you samples for quality check.
Q4:How to confirm the quality ?
A: Third party inspection is warmly welcome before shipment. We have cooperated with SGS,TUV ,BV,FIDES,etc.If you require the previous release notice issued by them,we would like to send you before order.
Q5: Is it possible to know how is my product going on without visiting your company?
A: We will offer a detailed products schedule and send weekly reports with digital pictures and videos which show the machining progress.
Q6: What is the production cycle?
A: It varies a lot depending on product dimension,technical requirements and quantity. We always try to meet customers' requirement by adjusting workshop schedule.
Q7: What is your payment?
A: Normally, by T/T 30% down payment, 70% balance before shipment. 100% L/C at sight is also accepted by us.
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