High-temperature tubes from stock

Alleima holds stock of five different grades commonly used in a variety of high-temperature tube applications. Our tubes are used as, for example:

Boiler tubes (reheater and superheater tubes)
Furnace rollers
Lance tubes
Muffle tubes
Pigtails
Recuperator tubes
Thermocouple protection tubes

We also offer composite tubes from stock.

List of materials
Alleima grade	UNS	ASTM	EN
Alleima® 4C54	S44600	446-1	1.4749
Alleima® 7RE10	S31008/S31009	310S, 310H	1.4845
Alleima® 253 MA*	S30815	-	1.4835
Alleima® 353 MA*	S35315	-	1.4854
Sanicro® 31HT	N08811/N08810	-	1.4959

* 253 MA and 353 MA are trademarks owned by Outokumpu Stainless.

Stock program

OD = outside diameter
■ = cold worked, □ = hot worked

Stock standard items, central warehouse (Europe)
OD mm	WT mm	Nominal size	Kg/m	Alleima 4C54	Alleima 253 MA	Alleima 353 MA	Sanicro 31HT	Alleima 7RE10
17.15	2.31	3/8 Sch 40S	0.858	■*	■	-	-	■
17.15	3.20	3/8 Sch 80S	1.12	-	■	-	-	-
21.3	2.65	-	1.24	■**	-	-	-	■
21.34	2.11	1/2 Sch 10S	1.01	-	-	-	-	-
21.34	2.77	1/2 Sch 40S	1.29	-	■	■	■	■
21.34	3.73	1/2 Sch 80S	1.64	-	-	-	-	-
22	2	-	0.954	■	-	-	-	-
26	4	-	2.20	■	-	-	-	-
26.67	2.11	3/4 Sch 10S	1.30	-	-	-	-	-
26.67	2.87	3/4 Sch 40S	1.71	-	■	■*	■*	■
26.67	3.91	3/4 Sch 80S	2.18	-	■	-	-	-
26.9	2.65	-	1.61	■	-	-	-	-
33.40	3.38	1 Sch 40S	2.54	-	□	■*	□*	□
33.40	4.55	1 Sch 80S	3.29	-	□	-	-	□
33.7	3.25	-	2.48	□*	-	-	-	□
38	5	-	3.93	□	-	-	-	-
38	6.3	-	4.89	-	■	-	-	-
42.16	3.56	1¼ Sch 40S	3.22	-	□*	□*	□	□
42.4	3.25	-	3.19	□*	-	-	-	□
44.5	3	-	3.12	□*	-	-	-	-
48.26	2.77	1½ Sch 10S	3.15	-	□*	-	-	-
48.26	3.68	1½ Sch 40S	4.11	-	□*	□	□	□
48.26	5.08	1½ Sch 80S	5.49	-	□	-	-	□
48.3	3.25	-	3.67	□*	-	-	-	-
50	9	-	8.89	-	□
60.3	3.65	-	5.18	□*	-	-	-	□
60.33	2.77	2 Sch 10S	3.99	-	□*	-	-	-
60.33	3.91	2 Sch 40S	5.52	-	□*	□	□	□
60.33	5.54	2 Sch 80S	7.60	□	-	-	-	□
60.33	10	-	12***	□	□	-	-	-
73.03	5.16	2½ Sch 40S	8.77****	-	□	-	-	□
76.1	3.65	-	6.62	□*	-	-	-	□
88.9	4.05	-	8.60	□*	-	-	-	□
88.90	5.49	3 Sch 40S	11.5	-	□	□	-	□
114.30	6.02	4 Sch 40S	16.3	-	□	-	-	□
168.28	7.11	6 Sch 40S	28.7	-	□	-	-	□

* Stocked in double random lengths
** Stocked in both standard random lengths and double random lengths
*** The weight for Alleima 253 MA is 12.33 kg/m
**** The weight for Alleima 253 MA is 8.973 kg/m.

Tolerances

Alleima® 4C54 and 7RE10, according to EN ISO 1127
Condition	Tolerance OD	Tolerance WT
Cold-worked	+/-0.75%, but min. +/- 0.3 mm (D3)	+/-10% (T3), but min. +/- 0.2 mm
Hot-worked	+/-1,5%, but min. +/- 0.75mm (D1)	+/-5% (T1), but min. +/- 0.6 mm

Sanicro^® 31HT, according to ASTM B407
Size mm/condition	Tolerance OD, mm	Tolerance WT
Cold-worked 15.8-38.1 mm	+/-0.19	+/-0.10
Hot-worked	Tolerances according to ASTM A999, see table below for Alleima 253 MA and 353 MA.

Alleima® 253MA and 353 MA, according to ASTM A312/A999
OD, mm	Tolerance, mm
10.3-48.3	+0.4/-0.8
(48.3-114.3)	+/-0.8
(114.3-219.1)	+1.6/-0.8

Tolerance on wall thickness for Alleima® 253 MA and 353 MA
OD, mm	Tolerance, mm
10.3-48.3	+0.4/-0.8
(48.3-114.3)	+/-0.8
(114.3-219.1)	+1.6/-0.8

Size, mm	WT, %	Thickness/OD ratio
10.3-48.3	+20/-12.5	All
(48.3-114.3)	+22.5/-12.5	Less or equal to 0.05
(114.3-219.1)	+15/-12.5	Above 0.05

Product standards

Alleima® 4C54 (ASTM 446-1)

ASTM A268 (tube)
EN 10297-2

Alleima® 253 MA (UNS S30815)
Alleima® 353 MA (UNS S35315)

ASTM A312 (pipe)
EN 10297-2

Sanicro® 31HT (UNS N08811/N08810)

ASTM B407

Alleima® 7RE10 (UNS S31008/S31009, ASTM 310H/310S, EN 1.4845)

ASTM A312/ASME SA312
EN 10297-2
EN 10216-5 TC1
NACE MR0175/ISO 15156

* 253 MA and 353 MA are trademarks owned by Outokumpu OY.