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Our program of spring steel includes the following materials. Other grades, such as martensitic chromium steel and carbon steel can be offered on request.

Austenitic stainless steels
Grade UNS ASTM EN Tensile strength
MPa (ksi)		 Width
mm (in.)		 Thickness
mm (in.)
Alleima®  12R11 (S30100) (301) 1.4310 800-1900
(116-276)		 2-345
(0.08-13.6)		 0.015-3
(0.0006-0.12)
Alleima® 11R51 (S30100) (301) 1.4310 1700-2050
(247-297)		 2-345
(0.08-13.6)		 0.015- 1.5
(0.0006-0.06)
Alleima® 13RM19 - - 1.4369 850-1600
(123-232)		 2-345
(0.08-13.6)		 0.015-3
(0.0006-.12)
Alleima® 2RK65 HV N08904 904LVM 1.4539 * * *
Duplex stainless steels
Grade UNS ASTM EN Tensile strength
MPa (ksi)		 Width
mm (in.)		 Thickness
mm (in.)
SAF™ 2507 S32750 - 1.4410 900-1600
(131-232)		 2-300
(0.08-11.8)		 0.015-3.5
(0.0006-0.14)
Springflex™
  • UNS S32205, S31803
 - 1.4462 1100-2200 (160-319) 2-300 (0.079 - 12) 0.03 - 3.51 (0.0012 - 0.14)

1Depending on requested tensile strength.

Precipitation hardening steels
Grade UNS ASTM EN Tensile strength
MPa (ksi)		 Width
mm (in.)		 Thickness
mm (in.)
Alleima® 9RU10 S17700 631 1.4568 1200-1700
(174-247)		 2-360
(0.08-14.2)		 0.015-3
(0.0006-0.12)
Nanoflex™ - - - 950-1850
(138-268)		 2-330
(0.08-13)		 0.015-2
(0.0006-0.08)
Nickel alloys
Grade UNS ASTM EN Tensile strength
MPa (ksi)		 Width
mm (in.)		 Thickness
mm (in.)
Sanicro® 75X N07750 - - 750- 1350
(109-196)		 2-200
(0.08-7.9)		 0.015-4
(0.0006-0.16)

* Contact us for more information