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Heat Exchanger Tubes made of Carbon and Alloy Steel
TPS Technitube Röhrenwerke GmbH is one of Germany’s leading manufacturers of seamless heat exchanger tubes in highest quality.
We supply the (petro-)chemical, power generation, pharmaceutical and nuclear industry.
Thanks to our in-house bending facility, we can supply our heatexchanger tubes as U-tubes with quick delivery and cost-effective rates.
Click here to find out more. We can offer a wide range of grades and sizes. Please see below and the catalogues on the right for more info.
Standards
ASTM A 179
ASTM A 192
ASTM A 199
ASTM A 209
ASTM A 210
ASTM A 213
ASTM A 334
Carbon & Alloy Steel Grades
ASTM-Grade | UNS No. | EN / DIN | Material Code | |||
T1 | X11CrMo5+NT1 | |||||
T5 | X11CrMo9-1+1 | |||||
T9 | 10CrMo5-5 | |||||
T11 | 13CrMo4-5 | |||||
T12 | 10CrMo9-10 | |||||
T22 |
More Materials and Grades:
Nickel and Nickel Alloy
Standards
- ASTM B 161
- ASTM B 163
- ASTM B 165
- ASTM B 167
- ASTM B 407
- ASTM B 423
- ASTM B 444
- ASTM B 622
- ASTM B 729
All grades also available acc. to ASME II Part B SB
Nickel Steel Grades
Nickel Alloys | ||||||
ASTM-Grade | UNS No. | EN / DIN | Material Code | |||
– | UNS N 02200 | 2.4066 | Ni 99,2 | |||
– | UNS N 02201 | 2.4068 | LC-Ni 99 | |||
– | UNS N 04400 | 2.4360 | NiCu30Fe | |||
– | UNS N 06455 | 2.4610 | NiMo 16Cr16Ti | |||
– | UNS N 06600 | 2.4816 | NiCr15Fe | |||
– | UNS N 06625 | 2.4856 | NiCr22Mo9Nb | |||
– | UNS N 08020 | 2.4660 | NiCr20CuMo | |||
– | UNS N 08028 | 1.4563 | X1NiCrMoCu31-27-4 | |||
– | UNS N 08800 | 1.4876 | X10NiCrAlTi32-20 | |||
– | UNS N 08811 | 1.4876 | – | |||
– | UNS N 08825 | 2.4858 | NiCr21Mo | |||
– | UNS N 10276 | 2.4819 | NiMo16Cr15W |
Stainless Steel & Duplex/ Super Duplex
Standards
- ASTM A 213
- ASTM A 268
- ASTM A 269
- ASTM A 312
- ASTM A 376
- ASTM A 789
- ASTM A 790
All grades also available acc. to ASME II Part A SA
Stainless Steel & Duplex/ Super Duplex Grades
Austenitic Steels | ||||||
ASTM-Grade | UNS No. | EN / DIN | Material Code | |||
TP 304 | UNS S30400 | 1.4301 | X5 CrNi 18-10 | |||
TP 304 H | UNS S30409 | 1.4948 | X6 CrNi 18-10 | |||
TP 304 L | UNS S30403 | 1.4306 | X2 CrNi 19-11 | |||
TP 316 | UNS S31600 | 1.4401 | X5 CrNiMo 17-12-2 | |||
TP 316 H | UNS S31609 | 1.4919 | X6CrNiMo 17-13 | |||
TP 316 L | UNS S31603 | 1.4404 | X2 CrNiMo 17-12-2 | |||
TP 316 L(-Mo) | UNS S31603 | 1.4435 | X2 CrNiMo 18-14-3 | |||
TP 316 Ti | UNS S31635 | 1.4571 | X6 CrNiMoTi 17-12-2 | |||
TP 317 L | UNS S31703 | 1.4438 | X2 CrNiMo 18-15-4 | |||
TP 321 | UNS S32100 | 1.4541 | X6 CrNiTi 18-10 | |||
TP 321 H | UNS S32109 | 1.4878 | X8 CrNiTi 18-10 | |||
TP 347 | UNS S34700 | 1.4550 | X6 CrNiNb 18-10 | |||
– | UNS S31254 | 1.4547 | X1 CrNiMoCuN 20-18-7 |
Super Austenitic Steels | ||||||
ASTM-Grade | UNS No. | EN / DIN | Material Code | |||
– | UNS N08904 | 1.4539 | X1 NiCrMoCu 25-20-5 |
Ferritic and Martensitic Steels | ||||||
ASTM-Grade | UNS No. | EN / DIN | Material Code | |||
TP 405 | UNS S40500 | 1.4002 | X6 CrAl 13 | |||
TP 410 | UNS S41000 | 1.4006 | X12 Cr 13 | |||
TP 410 S | UNS S41008 | 1.4000 | X6 Cr 13 | |||
TP 430 | UNS S43000 | 1.4016 | X6 Cr 17 |
Duplex | ||||||
ASTM-Grade | UNS No. | EN / DIN | Material Code | |||
– | UNS S31803 | 1.4462 | X2 CrNiMoN 22-5-3 | |||
– | UNS S32205 | 1.4462 | X2 CrNiMoN 22-5-3 |
Super Duplex | ||||||
ASTM-Grade | UNS No. | Grade No. | En-Standard | |||
– | UNS S32760 | 1.4501 | X2 CrNiMoCuWN 25-7-4 | |||
– | UNS S32750 | 1.4410 | X2 CrNiMoN 25-7-4 |
Titanium Alloys
Standards
- ASTM B 338
- ASTM B 861
All grades also available acc. to ASME II Part B SB
Titanium Alloy Grades
Titanium Alloys | ||||||
ASTM-Grade | UNS No. | EN / DIN | Material Code | |||
Grade 1 | R50250 | 3.7025 | Ti 1 | |||
Grade 2 | R50400 | 3.7035 | Ti 2 | |||
Grade 3 | R50550 | 3.7055 | Ti 3 | |||
Grade 7 | R52400 | 3.7235 | Ti 2 Pd | |||
Grade 9 | R56320 | 3.7195 | Ti Al 3 V 2,5 | |||
Grade 11 | R52550 | 3.7225 | Ti 1 Pd | |||
Grade 12 | R53400 | 3.7105 | Ti Ni 0,8 Mo 0,3 |
Carbon & Alloy Steel
Non Ferrous
Standards
- ASTM B 43
- ASTM B 68
- ASTM B 75
- ASTM B 88
- ASTM B 111
- ASTM B 315
- ASTM B 395
- ASTM B 466
- ASTM B 543
- ASTM B 210
- ASTM B 234
- ASTM B 241
Non Ferrous Grades
- Aluminium Brass,
- Admiralty Brass,
- Copper Nickel 90/10
- Copper Nickel 70/30
- Copper Nickel Iron Manganese 66/30/2/2
- Aluminium and Aluminium Alloys
Nickel Alloys
Remark
- In any dimension and shape.
- Not mentioned standards and grades on request
- Beside the ASTM standards we can also supply the material acc. to ASME, DIN, EN, BS, NFA, JIS, GOST and others.
Dimensions
Principle Inch and SWG-BWG Sizes and their mm Equivalents - Basis: Carbon Alloy Steel
BWG (Birmingham Wire Gauge)
M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
BWG | 25 | 25 | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 19 | 18 | 18 | 16 | 16 | 15 | 15 | 14 | 14 | |
mm | 0,507 | 0,507 | 0,634 | 0,634 | 0,711 | 0,711 | 0,812 | 0,812 | 0,889 | 1,086 | 1,219 | 1,244 | 1,626 | 1,651 | 1,829 | 1,828 | 2,032 | 2,108 | |
inches | mm | ||||||||||||||||||
3/16″ | 4.76 mm | 0,058 | 0,053 | 0,075 | 0,065 | 0,077 | 0,071 | 0,086 | 0,079 | 0,092 | 0,089 | ||||||||
1/4″ | 6.35 mm | 0,08 | 0,073 | 0,098 | 0,089 | 0,108 | 0,099 | 0,121 | 0,111 | 0,131 | 0,141 | 0,167 | 0,157 | 0,202 | 0,191 | 0,216 | 0,204 | ||
3/8″ | 9.53 mm | 0,125 | 0,113 | 0,153 | 0,139 | 0,17 | 0,155 | 0,192 | 0,175 | 0,208 | 0,226 | 0,273 | 0,254 | 0,344 | 0,321 | 0,375 | 0,347 | ||
1/2″ | 12.7 mm | 0,169 | 0,152 | 0,208 | 0,189 | 0,232 | 0,21 | 0,262 | 0,238 | 0,285 | 0,311 | 0,379 | 0,351 | 0,485 | 0,45 | 0,534 | 0,49 | 0,581 | 0,551 |
5/8″ | 15,88 mm | 0,372 | 0,396 | 0,485 | 0,449 | 0,626 | 0,579 | 0,693 | 0,633 | 0,758 | 0,716 | ||||||||
3/4″ | 19,05 mm | 0,451 | 0,481 | 0,59 | 0,545 | 0,766 | 0,709 | 0,852 | 0,777 | 0,936 | 0,881 | ||||||||
7/8″ | 22,2 mm | 0,696 | 0,643 | 0,909 | 0,836 | 1,01 | 0,918 | 1,112 | 1,045 | ||||||||||
1″ | 25.4 mm | 0,802 | 0,714 | 1,048 | 0,97 | 1,17 | 1,063 | 1,29 | 1,211 | ||||||||||
1 1/16″ | 26,99 mm | 1,121 | 1,032 | 1,251 | 1,134 | 1,377 | 1,294 | ||||||||||||
1 1/8″ | 28,58 mm | 1,193 | 1,097 | 1,331 | 1,206 | 1,466 | 1,376 | ||||||||||||
1 1/4″ | 31.75 mm | 1,333 | 1,225 | 1,487 | 1,349 | 1,644 | 1,541 | ||||||||||||
1 1/2″ | 38,1 mm | 1,615 | 1,483 | 1,805 | 1,636 | 1,998 | 1,871 | ||||||||||||
1 3/4″ | 44.45 mm | 2,351 | 2,201 | ||||||||||||||||
2″ | 50.8 mm | 2,704 | 2,531 | ||||||||||||||||
2 1/4″ | 57.15 mm | 3,054 | 2,861 | ||||||||||||||||
2 1/2″ | 63.5 mm | 3,407 | 3,192 | ||||||||||||||||
2 3/4″ | 69.85 mm | 3,761 | 3,522 | ||||||||||||||||
3″ | 76,2 mm | 4,121 | 3,852 | ||||||||||||||||
3 1/4″ | 82,55 mm | ||||||||||||||||||
3 1/2″ | 95,25 mm | ||||||||||||||||||
3 3/4″ | ? | ||||||||||||||||||
4″ | 101,6 mm |
M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
BWG | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 8 | 7 | 7 | |
mm | 2,413 | 2,413 | 2,768 | 2,768 | 3,048 | 3,048 | 3,403 | 3,403 | 3,76 | 4,191 | 4,471 | 4,572 | |
inches | mm | ||||||||||||
3/16″ | 4.76 mm | ||||||||||||
1/4″ | 6.35 mm | ||||||||||||
3/8″ | 9.53 mm | ||||||||||||
1/2″ | 12.7 mm | 0,662 | 0,612 | 0,729 | 0,678 | ||||||||
5/8″ | 15,88 mm | 0,872 | 0,801 | 0,97 | 0,895 | ||||||||
3/4″ | 19,05 mm | 1,082 | 0,99 | 1,21 | 1,111 | ||||||||
7/8″ | 22,2 mm | 1,29 | 1,179 | 1,45 | 1,328 | 1,523 | 1,441 | 1,579 | |||||
1″ | 25.4 mm | 1,502 | 1,368 | 1,691 | 1,545 | 1,835 | 1,68 | 2,014 | 1,846 | 2,192 | |||
1 1/16″ | 26,99 mm | 1,607 | 1,463 | 1,814 | 1,654 | 1,972 | 1,8 | 2,165 | 1,98 | ||||
1 1/8″ | 28,58 mm | 1,71 | 1,557 | 1,933 | 1,763 | 2,101 | 1,919 | 2,31 | 2,112 | ||||
1 1/4″ | 31.75 mm | 1,921 | 1,764 | 2,171 | 1,979 | 2,365 | 2,157 | 2,607 | 2,379 | 2,836 | 2,848 | ||
1 1/2″ | 38,1 mm | 2,341 | 2,124 | 2,656 | 2,412 | 2,894 | 2,635 | 3,199 | 2,912 | 3,489 | 3,505 | 4,055 | 3,78 |
1 3/4″ | 44.45 mm | 2,759 | 2,502 | 3,137 | 2,845 | 3,423 | 3,112 | 3,791 | 3,445 | 4,142 | 4,161 | 4,833 | 4,496 |
2″ | 50.8 mm | 3,18 | 2,879 | 3,619 | 3,279 | 3,953 | 3,589 | 4,38 | 3,978 | 4,795 | 4,817 | 5,61 | 5,212 |
2 1/4″ | 57.15 mm | 3,596 | 3,256 | 4,098 | 3,712 | 4,482 | 4,066 | 4,975 | 4,51 | 5,45 | 5,473 | 6,387 | 5,928 |
2 1/2″ | 63.5 mm | 4,02 | 3,635 | 4,582 | 4,146 | 5,011 | 4,544 | 5,567 | 5,044 | 6,101 | 6,13 | 7,164 | 6,644 |
2 3/4″ | 69.85 mm | 4,436 | 4,013 | 5,06 | 4,58 | 5,541 | 5,021 | 6,159 | 5,576 | 6,757 | 6,786 | 7,941 | 7,36 |
3″ | 76,2 mm | 4,859 | 4,391 | 5,545 | 5,013 | 6,07 | 5,499 | 6,751 | 6,109 | 7,411 | 7,442 | 8,718 | 8,076 |
3 1/4″ | 82,55 mm | 5,278 | 4,768 | 6,023 | 5,446 | 6,599 | 5,976 | 7,343 | 6,642 | 8,064 | 8,098 | 9,496 | 8,792 |
3 1/2″ | 95,25 mm | 5,698 | 5,145 | 6,504 | 5,879 | 7,129 | 6,453 | 7,935 | 7,175 | 8,713 | 8,755 | 10,273 | 9,508 |
3 3/4″ | ? | 6,985 | 6,313 | 7,657 | 6,93 | 8,526 | 7,708 | 9,37 | 9,411 | 11,05 | 10,223 | ||
4″ | 101,6 mm | 10,066 | 11,827 | 10,939 |
SWG (Standard Wire Gauge)
M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | M/W | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SWG | 25 | 25 | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 16 | 16 | 15 | 15 | |
mm | 0,508 | 0,508 | 0,61 | 0,61 | 0,711 | 0,711 | 0,813 | 0,813 | 0,914 | 0,914 | 1,016 | 1,086 | 1,219 | 1,244 | 1,626 | 1,651 | 1,829 | 1,828 | |
inches | mm | ||||||||||||||||||
3/16″ | 4.76 mm | 0,058 | 0,053 | 0,068 | 0,062 | 0,077 | 0,071 | 0,086 | 0,079 | 0,094 | 0,087 | 0,094 | 0,106 | ||||||
1/4″ | 6.35 mm | 0,08 | 0,073 | 0,095 | 0,086 | 0,108 | 0,099 | 0,121 | 0,111 | 0,133 | 0,123 | 0,134 | 0,153 | 0,154 | 0,169 | 0,189 | 0,204 | 0,204 | 0,216 |
3/8″ | 9.53 mm | 0,125 | 0,113 | 0,148 | 0,134 | 0,17 | 0,155 | 0,192 | 0,175 | 0,213 | 0,194 | 0,213 | 0,247 | 0,25 | 0,278 | 0,317 | 0,348 | 0,347 | 0,375 |
1/2″ | 12.7 mm | 0,169 | 0,153 | 0,201 | 0,182 | 0,232 | 0,21 | 0,262 | 0,238 | 0,292 | 0,266 | 0,293 | 0,342 | 0,345 | 0,385 | 0,444 | 0,491 | 0,49 | 0,534 |
5/8″ | 15,88 mm | 0,337 | 0,362 | 0,372 | 0,436 | 0,441 | 0,494 | 0,572 | 0,635 | 0,634 | 0,693 | ||||||||
3/4″ | 19,05 mm | 0,409 | 0,44 | 0,452 | 0,53 | 0,536 | 0,601 | 0,698 | 0,779 | 0,777 | 0,852 | ||||||||
7/8″ | 22,2 mm | 0,631 | 0,709 | 0,826 | 0,919 | 0,919 | 1,009 | ||||||||||||
1″ | 25.4 mm | 0,726 | 0,817 | 0,953 | 1,068 | 1,063 | 1,169 | ||||||||||||
1 1/16″ | 26,99 mm | 1,017 | 1,137 | 1,135 | 1,25 | ||||||||||||||
1 1/8″ | 28,58 mm | 1,081 | 1,21 | 1,207 | 1,329 | ||||||||||||||
1 1/4″ | 31.75 mm | 1,208 | 1,35 | 1,349 | 1,487 | ||||||||||||||
1 1/2″ | 38,1 mm | 1,462 | 1,637 | 1,636 | 1,805 | ||||||||||||||
1 3/4″ | 44.45 mm | ||||||||||||||||||
2″ | 50.8 mm | ||||||||||||||||||
2 1/4″ | 57.15 mm | ||||||||||||||||||
2 1/2″ | 63.5 mm | ||||||||||||||||||
2 3/4″ | 69.85 mm | ||||||||||||||||||
3″ | 76,2 mm | ||||||||||||||||||
3 1/4″ | 82,55 mm | ||||||||||||||||||
3 1/2″ | 95,25 mm | ||||||||||||||||||
3 3/4″ | ? | ||||||||||||||||||
4″ | 101,6 mm |
A/W | M/W | M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | M/W | A/W | A/W | M/W | A/W | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SWG | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | |
mm | 2,032 | 2,108 | 2,337 | 2,337 | 2,642 | 2,642 | 2,947 | 2,947 | 3,251 | 3,251 | 3,658 | 3,658 | 40,64 | 4,191 | 4,471 | |
inches | mm | |||||||||||||||
3/16″ | 4.76 mm | |||||||||||||||
1/4″ | 6.35 mm | |||||||||||||||
3/8″ | 9.53 mm | |||||||||||||||
1/2″ | 12.7 mm | 0,536 | 0,599 | 0,647 | 0,597 | 0,706 | 0,655 | |||||||||
5/8″ | 15,88 mm | 0,694 | 0,781 | 0,85 | 0,78 | 0,936 | 0,862 | |||||||||
3/4″ | 19,05 mm | 0,853 | 0,964 | 1,053 | 0,962 | 1,165 | 1,069 | |||||||||
7/8″ | 22,2 mm | 1,012 | 1,147 | 1,255 | 1,146 | 1,394 | 1,276 | 1,523 | 1,401 | 1,657 | 1,521 | |||||
1″ | 25.4 mm | 1,171 | 1,331 | 1,459 | 1,329 | 1,624 | 1,483 | 1,78 | 1,632 | 1,94 | 1,776 | 2,137 | 1,961 | 2,137 | ||
1 1/16″ | 26,99 mm | 1,251 | 1,424 | 1,561 | 1,421 | 1,742 | 1,586 | 1,915 | 1,747 | 2,083 | 1,903 | 2,298 | 2,105 | |||
1 1/8″ | 28,58 mm | 1,33 | 1,514 | 1,66 | 1,512 | 1,854 | 1,69 | 2,041 | 1,862 | 2,223 | 2,03 | 2,455 | 2,248 | |||
1 1/4″ | 31.75 mm | 1,489 | 1,697 | 1,865 | 1,695 | 2,082 | 1,897 | 2,29 | 2,093 | 2,505 | 2,285 | 2,772 | 2,534 | 2,775 | 3,108 | |
1 1/2″ | 38,1 mm | 1,807 | 2,064 | 2,268 | 2,061 | 2,541 | 2,31 | 2,801 | 2,555 | 3,071 | 2,794 | 3,408 | 3,107 | 3,411 | 3,836 | 3,708 |
1 3/4″ | 44.45 mm | 2,126 | 2,43 | 2,676 | 2,427 | 3,003 | 2,724 | 3,311 | 3,015 | 3,636 | 3,303 | 4,044 | 3,68 | 4,047 | 4,564 | 4,408 |
2″ | 50.8 mm | 2,444 | 2,796 | 3,084 | 2,793 | 3,461 | 3,138 | 3,822 | 3,478 | 4,201 | 3,812 | 4,68 | 4,253 | 4,684 | 5,292 | 5,108 |
2 1/4″ | 57.15 mm | 2,762 | 3,163 | 3,49 | 3,159 | 3,92 | 3,551 | 4,332 | 3,939 | 4,765 | 4,321 | 4,332 | 3,939 | 5,32 | 6,022 | 5,808 |
2 1/2″ | 63.5 mm | 3,08 | 3,529 | 3,896 | 3,525 | 4,379 | 3,965 | 4,843 | 4,401 | 5,332 | 4,83 | 5,951 | 5,398 | 5,957 | 6,751 | 6,508 |
2 3/4″ | 69.85 mm | 3,399 | 3,896 | 4,302 | 3,891 | 4,838 | 4,379 | 5,353 | 4,862 | 5,897 | 5,339 | 6,587 | 5,971 | 6,593 | 7,479 | 7,208 |
3″ | 76,2 mm | 3,716 | 4,262 | 4,708 | 4,257 | 5,297 | 4,792 | 5,864 | 5,323 | 6,462 | 5,848 | 7,223 | 6,544 | 7,229 | 8,208 | 7,908 |
3 1/4″ | 82,55 mm | 5,115 | 4,623 | 5,757 | 5,206 | 6,394 | 5,785 | 7,027 | 6,356 | 7,858 | 7,116 | 7,866 | 8,933 | 8,608 | ||
3 1/2″ | 95,25 mm | 5,521 | 4,989 | 6,216 | 5,62 | 6,885 | 6,246 | 7,593 | 6,866 | 8,494 | 7,689 | 8,502 | 9,661 | 9,308 | ||
3 3/4″ | ? | 6,675 | 6,034 | 7,395 | 6,708 | 8,158 | 7,375 | 9,13 | 8,262 | 9,138 | 10,393 | 10,009 | ||||
4″ | 101,6 mm | 9,775 | 11,122 | 10,709 |
Weights in kg/m | |
---|---|
Conversion Factors | Carbon Steel |
Aluminium Brass (Alloy 687) | 1,057 |
Aluminium Brass (Alloy 443) | 1,082 |
Cu/Ni 90/10 (Alloy 706) | 1,133 |
Cu/Ni 70/30 (Alloy 715) | 1,133 |
Stainless Steel | 1,015 |
UNS N04400 | 1,125 |
UNS N06600 | 1,073 |
UNS N08800 | 1,013 |
UNS N08810 | 1,013 |
UNS N08825 | 1,037 |
UNS N0N10665 | 1,174 |
UNS N006455 | 1,131 |
Contact details

Michael Klütz
Sales Director | Stainless steel mill
Tel.: +49 (0)6592 / 712 5230
Fax: +49 (0)6592 / 712 5249
Stainless Steel & Duplex/ Super Duplex, Nickel Alloys & Titanium Alloys

Bernd Mertini
Sales Manager | Stainless steel mill/Stock
Tel.: +49 (0)6592 / 712 5222
Fax: +49 (0)6592 / 712 5249
Stainless Steel & Duplex/ Super Duplex, Nickel Alloys & Titanium Alloys

Thomas Kirchen
Sales Manager | Stainless steel mill
Tel.: +49 (0)6592 / 712 5233
Fax: +49 (0)6592 / 712 5249
Stainless Steel & Duplex/ Super Duplex, Nickel Alloys & Titanium Alloys