- Grechn manufactures seamless Austenitic and duplex stainless steel pipes and tubes in accordance with the following specifications:
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- ASTM A 213 ASME SA213
- ASTM A 269 ASME SA269
- ASTM A 312 ASME SA312
- ASTM A 789
- ASTM A 790
- ASTM A 262
- ASTM A 370
- ASTM A 941
- ASTM A 999/A 999M
- ASTM A 1016/A 1016
- ASTM E 112
- DIN 17456
- DIN 17458
- DIN 2462/1
- ENISO 1127
- DIN 2391
- EN 10216-5
- JIS G 3459
- JIS G 3463
- ANSI B36.10
- ANSI B36.19
- NACE MR01-75
- NACE MR01-03
- ISO 15156
- NACE MR0175/ISO15156-2009
- The main standard grades in our production line is the following:
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- TP304-AISI304-UNS S30400 -1.4301
- TP304H-AISI304H-UNS S30409
- TP304L-AISI304L-UNS S30403 -1.4306
- TP316,TP316L-AISI316,AISI316L-UNS S31600,UNS S31603 -1.4401/1.4404
- TP316H-AISI316H-UNS S31609
- TP316Ti-AISI316Ti-UNS S31635-1.4571-4571-316Ti
- TP321-AISI A321-UNS S32100-1.4541
- TP321H-AISI321H-UNS S32100-1.4878
- TP347-AISI347-UNS S34700-1.4550
- TP310-AISI310-UNS S31000-1.4335
- UNS S31803-1.4462,UNS S2205
- UNS S32750
- TP309
- UNS32205
- UNS30815
- NICKLE ALLOY 800/UNS8810/8811
- UNS8904/904L
- The pipes can be manufactured in fixed lengths and random lengths between 1 and 22 meters.The size range as followings:
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- Pipes with an outside diameter 1/8"NB (10,3 mm) to 16"NB (406,4 mm)
- Pipes with a wall thickness sch5s to schxxs(maximum wall thickness of 26mm)
- Tubes with an outside diameter0.035¡±to 0.284¡±
- Tubes with a wall thickness BWG20 to BWG2.