Core strengths
Ni content is 10-14%
Added the element Mo that has the particularity of corrosion resistant
Better corrosion of chloride resistance ability than 304, widely used in desalination
Widely applied in petroleum chemical industry, fertilizer, ship building etc.
1. Raw material:
Stainless steel plate supplier- China: Bao Steel, Tisco, Huzhou Yongxing, ZPSS, Shanghai Krupp, D. K. C
Import: Outokumpu, Nippon Steel
2. Material surface level:
Hot rolled: No. 1 No. 2 No. 3
Cold rolled: 2B BA 2D
3. Production spercification:
Outer diameter: 0.75"-118.1" Wall thickness: 0.039"-3.93"
4. Testing and inspection:
Nondestructive inspection: ET RT Hydrostatic test and so on
The physical and chemical inspection: Raw material inspection, Tensile, squash, welded seam Lateral bending test, Intergranular corrosion, Impact testing
Surface inspection: Outlook, outer diameter, ovality, straightness, length and so on
5. Transport and Delivery:
Located in a coastal city, Yingkou Chenghe Pipe Co., Ltd. Has more priority in delivery. Only 200 km far from Dalian port maks faster delivery.
6. Why choose us?
Q: Are you a manufacturer or merely a trader?
A: Yingkou Chenghe Pipe Co., ltd. Is a manufacturer specialized in stainless steel welded pipes, carbon steel
Welded pipes and large diameter thick-walled longitudinal welded steel pipe, so we can provide with the best
Price and quality. We also offer OEM and ODM.
Q: How do you guarantee the quality of your product?
A: Every process will be checked by responsible QC which insures every product's quality.
Q: How much is your delivery time?
A: Normally 15 working days, but mostly according to the specific requirements or the quantity of each order.
| ASTM standard 316L grade stainless steel chemical composition |
| C | Si | Mn | P | S | Ni | Cr | Mo |
| ≤0.030 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 |
Yingkou Chenghe Pipe Co., Ltd. With registered capital of RMB 50 million established in 2010, which located in No. 141 South Binhai Road, Coastal Industry Base, Yingkou City, Liaoning Province. The company covers an area of 300, 000 square meters and owns independent production workshop with an area of 41, 000 squre meters.
CHENGHE PIPE has already established quality management system, obtained the Special Equipment Manufacturing license, ISO 9001: 2008, ISO 14001: 2004, OHSAS 18001: 2007 as well as TUV and SGS certifications.
CHENGHE PIPE mainly produces stainless steel welded pipe, large diameter thick wall welded steel pipe and pipe line accessories, production specification OD19-3000 mm, wall thickness 1-100 mm, according to GB, ASME, JIS, DIN, EN standards and etc. Main material 304, 304L, 321, 316L, 310S, 347H, duplex stainless steel S31803, S32205 etc. With annual productino ability 50, 000 tons, CHENGHE PIPE is the only manufacturer of stainless steel welded pipe in North East China. Owns OD630, OD219, OD114, OD38 etc, automatic
Continuous production line, especially OD630 production line, only exist 3 sets in same industry in China, with a biggest bending ability of 100 mm thick of stainless steel plate, 80 MN bending equipment is the biggest bending machine, which is very compatitive in large diameter thick wall stainless steel welded pipe industry, products of CHENGHE PIPE widely used in oil and gas chemical, paper making, military, nuclear and machinery etc.
CHENGHE PIPE builds national standard physical and chemical inspection center, equipped with spectrometer, WEW-600D univeral testing machine, WDE-100M electrical universal testing machine, impact test machine, 4SX metallographic analysis, intergranular corrosion etc. Same time inspection center equipped with X-ray industrial television, 3515 X-ray, automatic eddy current test, OD1016 water pressure equipment and etc., which insures better product quality. CHENGHE PIPE also build up the after-sale service system to make customer satisfied as our purpose, aiming at " quality as the base, honest as the belief ".
