Sometimes you need a certificate to confirm that the part is actually what it says.
Hose Clamp Kings offers three different types of certificates. $45.00 Certificate of Conformance (COC), certifies that the clamps conform to specifications. $60.00 General Chem/Phys, Lists general chemical and physical properties of the clamp. $145.00 Actual Chem/Phys, Actual chemical physical breakdown of the clamp.
*When ordering clamps, email Sales@hoseclampkings.com stating which certificate you need and your order confirmation number and someone will call back for the credit card information to charge the amount.
Material International Standards
DIN = The German Institute for Standardization.
AISI/AS = American Iron and Steel Institute/American Standard
BS = British Standard
AFNOR NF = French Standard
SS = Swedish Standard
SUS = Japanese Standard
430 S 17
304 S 15
Z6 CN 18-09
316 S 31
Testing according to SS-ISO 9227 with neutral salt mist spray.
S10 (W1) = Min 72 hours to red rust.
S20 = Min. 200 hours to red rust.
S30 (W3) = All parts in chrome steel, minimum time to red rust is 500 hours
S40 (W4) = All parts in stainless steel, minimum time to red rust is 500 hours.
S50 (W5) = All parts in acid resistant steel, minimum time to red rust is 2.000 hours.*
S60 = All parts in acid resistant steel, minimum time to red rust is over over 2.000 hours.
Screw & housing in 1.4436/AISI 316/SS2343 and band in higher grade 1.4547/SS-EN 10 088-1.S10