The tables show our standard materials for heat exchanger tube. Other grades can be offered on request.

Duplex stainless steels

Alleima grade UNS ASTM EN no. W.-nr AFNOR
Alleima® 3RE60 S31500 - 1.4424 1.4417 Z2CND18-05-03
SAF™ 2205 S31803/S32205 - 1.4462 - Z2CND22-05-03
SAF™ 2304 S32304 - 1.4362 1.4362 Z2NC23-04AZ
SAF™ 2707 HD S32707 - - - -
SAF™ 2507 S32750 - 1.4410 - -

High-alloy austenitic stainless steels and nickel alloys

Alleima grade UNS ASTM EN steel no. W.-nr AFNOR
Sanicro® 70 N06600 Alloy 600 - 2.4816 -
Sanicro® 69 N06690 Alloy 690 2.4642*** 2.4642 NC30FE(RCCM)
Sanicro® 625 N06625 Alloy 625 - - -
Sanicro® 41 N08825 Alloy 825 - 2.4858 -
Sanicro® 35 N08935 - - - -
Sanicro® 30 N08800 - 1.4558 1.4558 -
Sanicro® 28 N08028 - 1.4563 1.4563 -
Alleima® 2RK65 N08904 - 1.4539 1.4539 Z1NCDU25-20-4
254 SMO* S31254 - 1.4547 (1.4529)** -

* 254 SMO is a trademark of Outokumpu OY.
** In brackets, nearest equivalent steel grade
*** Not applicable for tube and pipe. Only for information.

Austenitic stainless steels

Alleima grade UNS ASTM EN steel no. W.-nr AFNOR
Alleima® 3R12 S30403/S30400 304L/304 1.4306/1.4301 1.4306/1.4301 Z2CN18-10
Alleima® 3R60 S31603/S31600 316L/316 1.4435/1.4436 1.4435/1.4436 Z2CND17-13
Alleima® 5R75 S31635 316Ti 1.4571 1.4571 (Z6CNDT17-12)**
Alleima® 6R35 S32100/S32109 321/321H 1.4541/1.4940 1.4541/1.4878 (Z6CNT18-10)**

Titanium and Zirconium

Type of material Grade(s)
Titanium Pure titanium and titanium grades:
1, 2, 3, 4, 7, 9, 11, 12, 16, 17, 26 and 28
Zirconium Zirconium 702 (ZR-702)

Product standards

American standards European standards
Alleima grade ASTM ASME EN VD TÜV
Duplex
SAF™ 2707 HD A-789 SA-789 - -
SAF™ 2507 A-789 SA-789 10216-5 VD TÜV Blatt 508
SAF™ 2205 A-789 SA-789 10216-5 VD TÜV Blatt 418
SAF™ 2304 A-789 SA-789 10216-5 -
Alleima® 3RE60 A-789 SA-789 - -
Ni-Alloy
Sanicro® 70 B-163 B-167 SB-163 SB-167 - VD TÜV Blatt 305
Sanicro® 69 B-163 B-167 SB-163 SB-167 - -
Sanicro® 41 B-163 B-423 SB-163 SB-423 - -
Sanicro® 35 B-163 SB-163 -

TUV 1326W043219

Sanicro® 30 B-163 B-407  SB-163 SB-407  10216-5 -
Sanicro® 28 B-668 SB-668 10216-5 VD TÜV Blatt 483
Alleima® 2RK65 A-269 SB-677 10216-5 VD TÜV Blatt 421
254 SMO* A-213 A-269 SA-213 SA-269 10216-5 -
Austenitic
Alleima® 5R75 A-213 SA-213 10216-5 -
Alleima® 3R60 A-213 A-269 SA-213 10216-5 -
Alleima® 3R65 A-213 A-269 SA-213 10216-5 -
Alleima® 6R35 A-213 A-269 SA-213 10216-5 -
Alleima® 3R12 A-213 A-269 SA-213 10216-5 -