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Kaysen Steel Industry Co.,Ltd
Add:Yongzhong Street, Longwan District,Wenzhou,China
Tel:  0086-577-86866707
Fax: 0086-577-86866707

Email: sales@kaysensteel.com / kaysensteel@hotmail.com
Skype: kaysensteel


Frequently Asked Questions

(1) What kind of material you can supply? 
  Stainless Steel:317/L、304/L、316/L 、310/S 、309/S、347/H 、321/321H
       Duplex Steel:S32750/F53/SAF2507、S32205/F60、S31803/F51、S32760/F55

       Carbon Steel:ASTM/ASME A105,
A234 WPB,ASTM / ASME A 350 LF2,                                         
       Alloy Steel:ASTM/ASME A182 GR F5, F9, F11, F12, F22, F91.                                                
       Special Steel:904L,N04400,N08810,N08020,N06625,UNS10276(HASTELLOY C276),

(2) What is the standard of the products? 
Forged Flanges:ANSI/ASME/ASA B16.5/B16,47、DIN/UNI、EN1092-1/BS4504、GOST12820-80、GOST12821-80、SANS 1123、JIS B2220/KS B1503、BS 10, AS2129、AWWA C207:)
Butt Welding Fittings: ANSI B16.9,DIN,JIS,EN,KS,GOST,SH
Forged Fittings:ASME B16.11,ANSI/ASME B1.20.1,
 GB/T7306,GB/T12716,GB/T14383,GB/T14626,SH3410,MSS SP-79, 83, 95, 97 JIS B0203、B2316.
Casting Pipe Fittings:ASME B16.3,ANSI,DIN,JIS,BS
Sanitary Fittings&Valves:3A, DIN, SMS, ISO, BS, RJT, CIP, IDF, DANSK,DS,BPE,etc.
Instrument Fittings&Valves:SAE;GB,ISO8434-1,DIN2353、JB/T7747-1995,JB/T8473-1996,GB/T13927-1992;
Groove Coupling&Fittings:ASTM A-536 , GOST 17375-2001, DIN2605 and JIS B2311, EN10253-1 etc.
Industrial Valves:
America Standard Valve:
Gate Valve:API 600 or API 6D        
Globle Valve: BS1873 or ASME B16.34  
Check Valve: API 6D or BS 1868         
Ball Valve: API 6D or API 608 
Butterfly Valve: API 609 or AWWA C504
German Standard Valve:
Gate Valve: DIN 3352
Globle Valve: DIN 3356
Check Valve: DIN 3356
Ball Valve: DIN 3357
Butterfly Valve: DIN 3354
EN Standard Valve:

Gate Valve: EN 10434
Globle Valve: EN 13709
Ball Valve: EN 13709
Check Valve: EN10739

Gate Valve: JIS B2073 2083
Globle Valve: JIS B2071 2081
Check Valve: JIS B2074 2084
British Standard Valve:
Gate Valve: BS 1414
Globle Valve:BS1873
Check Valve: BS 1868
Ball Valve: BS5351
Butterfly Valve: BS5155
Steel Pipe/Tube:ASTM A268, ASTM A789, ASTM A790, ASTM A312,ASME SA213, ASTM A269, ASME 249 , ASTM A803, ASTM A688,  ASTM A511, ASTM A270, EN10216-5, EN10305-1, EN10217-5, DIN17456, DIN17458, DIN 17175, DIN 2448, DIN 6258, GOST 8731, JIS G3462,JIS G3463, JIS G3455, JIS G3459, JIS G3447
Steel Sheet/Coil/Bar/Wire: ASTM A268, ASTM A789, ASTM A790, ASTM A312,ASME SA213, ASTM A269, ASME 249 , ASTM A803, ASTM A688,  ASTM A511, ASTM A270, EN10216-5, EN10305-1, EN10217-5, DIN17456, DIN17458, DIN 17175, DIN 2448, DIN 6258, GOST 8731, JIS G3462,JIS G3463, JIS G3455, JIS G3459, JIS G3447

(3) What is the packing details of the items?
Standard Export Packing: Plastic Bag with Carton,or STD Seaworthy Wooden Case Or Pallet,or as per your requrement.

(4) How can you promise the delivery time? 
We will tracking the production prossesion all the time; Our factory have lots of experienced workers who have been working in this line for many years,and advanced production equipments ensured the in time delivery.

(5) How can you guarantee the quality ? 
In order to ensure that all fittings meet quality specifications, the following in-process inspections are performed before shipment.
-Visual Inspection for the surface and Good Packing.
-Dimensional Inspection
-Shape Inspection
-Hardness Test
-Temperature Check
-Processing Conditions Check
-Material Identification (marking)-ensure the chemical composition and tensile properties
-100% RT Inspection
-Other Inspections

(6) How do you ensure your raw material quality?
Our Materials all from big factory,and all the pipes or sheets or bar, blank will be inspected by our qualified inspector to ensure the material conform to the standard chemical composition, the wall thickness is also standard.

(7) Can you produce OEM products,we supply drawings?
Surely,we can produce the Customized Products, you need to supply the Drawings, tell us the material,and quantity or other special needs.

(8) What kind of certificate you can supply?
ISO 90001:2008,PED 97/23/EC,CE,CQC,TS

(9) Can I have samples of you products ?
Surely,sample is free in small size and quantity, but your side need to pay for the freight.

(10) What is the MOQ of your company ?
Small quantity is acceptable.1pcs is also okay.

(11) What kind of payment you will use ?
We usually accept the TT/Paypal/West Union/Credit Card payment terms.

(12) What kind of trade terms ?

Contact Us

Kaysen Steel Industry Co.,Ltd
Tel:  0086-577-86866707
Fax: 0086-577-86866707
Mob: 0086-15906484621

E-mail: sales@kaysensteel.com
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