rolling shutter roll-up door spring

1.rolling shutter roll-up door spring 2.CK67/CS70/SAE1065 3.springs for doors 4.professional work on cutting

rolling shutter roll-up door spring

A high-carbon steel that can be oil or water hardened, AISI 1070 also performs well in hand and machine tool applications.

Heat treatment is carried out mainly for reducing sheet thickness, improving surface finishing, preparing the surface for coating and providing a range of tempers.

Cold rolled steel sheets offer a wide variety of outstanding appliances, furniture and with many other items.

Complete facilities for Slitting – Shearing – Blanking and Edging.

Thickness Range:    0.15~ 2.5 mm

Width range:             8 ~ 650 mm

High Hardness:        Max. Rockwell-C 55 (HRB120, HV555)

Standard/quality:      DC01, DC03, DC04, DC05, DC06 according to EN Standards

                                   CD, DQ, DQSK according to ASTM Standards

                                   Enameling Grades:

                                   DC01EK, DC04EK or EK2, EK4

Finishes:                   grey blue, polished blue

Edge:                        both round

Tempers:                  Full hard, Soft for cold forming.

                                   Hardness as per client’s request

Forms:                        Coils, Sheets, strips

Applications:             roller shutter, rolling shutter spring

Raw Material:            Baosteel

                                   CK67,SAE1065,CS70

I.D. Coil:                    < 20”, 50.8cm

O.D. Coil:                  < 60”, 152.4cm

Max weight:               < 6,000 lbs, 2727 kgs

- Put spacers between coils

- Wrap/cover all coils and skids for protection

rolling shutter roll-up door spring