A691 EFW Tube

ASTM A691 steel yeeb nkab yog ib hom high-temperature, high-pressure fais fusion welded carbon thiab alloy steel yeeb nkab.

GNEE Group muab cov kav dej A691 nrog rau sab nraud txoj kab uas hla ntawm 16 ntiv tes / 400 millimeters thiab phab ntsa siab tshaj plaws ntawm 3 ntiv tes / 75 millimeters raws li ASTM specifications. Peb tuaj yeem muab lwm qhov ntau thiab tsawg ntawm A691 high-temperature, high-pressure kav raws li ASTM specifications. Thov koj xav tiv tauj peb yog tias koj muaj kev xav tau.

A691 Alloy EFW Yeeb Nkab Specification

Qib	Alloy Steel A691 Qib 1 CR, Qib 1/2 CR, Qib 1 1 / 4 CR, Qib 2 1/4 CR, Qib 3 CR, Qib 5 CR, Qib 9 CR, Qib 91, CM 65 70, CM 75, ib
Thickness	3-12 hli
Xaus	Plain End, Beveled kawg, Treaded
Hom	ERW / Welded / Fabricated / LSAW Pipes
ASTM A691 Qib	ASTM A691 Gr.1, ASTM A691 Gr.2, ASTM A691 9cr, ASTM A691 5cr, ASTM A691m, ASTM A691 Gr.5cr Cl22, ASTM A691 Cm70, ASTM A691 ASTM A2 Qib 42, ASTM A691 Qib 2.1/4cr, ASTM A{20}}/4cr Cl22
Clas npe	10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 34, 40, 41, 42, 43, 50, 51, 52, 53, 60, 61, 62, 70, 71, 72, 73 ib
Teem caij	TSW 20 SCH 30 SCH 40 STD SCH 80 SCH 60 SCH 80 SCH 120 SCH 140 SCH 160 XXS
Khoom siv tes ua	Cold rolled thiab Cold drawn
Loj	1/2 "NB to 36" NB
Ntev	Standard Ob & Hauv Txiav ntev kuj.
muaj nyob rau hauv Form of	Round, Square, Rectangular, Hydraulic thiab lwm yam.
Tshwj xeeb hauv	Loj Dia ASTM A691 Yeeb Nkab
Kev kuaj ntxiv	NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, thiab lwm yam.

GNEE Muab Lwm Yam ASTM A691 EFW Steel Pipe

ASTM A691 Tube Hom	Tawm txoj kab uas hla	Phab ntsa thickness	Ntev
Alloy Gr.1 CR High Pressure Boiler Pipe	16" NB - 100" NB	Raws li kev xav tau	Kev cai
A691 Alloy Steel EFW Yeeb Nkab (Kev Cai Loj)	1/2" NB - 60" NB	SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 TSI	Kev cai
ASTM A691 ERW Yeeb Nkab (Kev Cai Loj)	1/2" NB - 24" NB	Raws li kev xav tau	Kev cai
ASTM A691 Welded Yeeb Nkab (hauv Tshuag + Kev Cai Loj)	1/2" NB - 24" NB	Raws li kev xav tau	Kev cai

A691 Alloy Steel Pipe Kev muag khoom

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A691 Steel Pipe Chemical Composition

%	1 CR	1-1/4CR	2-1/4 CR	5 CR	9 ib CR	91
C	0.05-0.17	0.05-0.17	0.05-0.15	0.15	0.15	0.08-0.12
Mn	0.40-0.65	0.40-0.65	0.30-0.60	0.30-0.60	0.30-0.60	0.30-0.60
P	0.025	0.025	0.025	0.025	0.025	0.020
S	0.025	0.025	0.025	0.025	0.025	0.010
Si	0.15-0.40	0.50-0.80	0.50	0.50	1.00	0.20-0.50
Cr	0.80-1.15	1.00-1.50	2.00-2.50	4.00-6.00	8.00-10.00	8.00-9.50
Mo	0.45-0.60	0.45-0.65	0.90-1.10	0.45-0.65	0.90-1.10	0.85-1.05
V	–	–	–	–	0.04	0.18-0.25

A691 Welded Steel Yeeb Nkab Mechanical Property

Qib	Tensile (MPa)	Tawm tswv yim (MPa)	Elong. (50 hli)	Reduc'n ntawm Cheeb Tsam *
1 CR	380 – 550	230 feeb	22% min	–
1-1/4CR	415 – 585	240 feeb	22% min	–
2-1/4CR, 5CR, 9CR	415 – 585	205 feeb	18% min	40% min
91	415 – 585	205 feeb	18% min	40% min

Qib	Tensile (MPa)	Tawm tswv yim (MPa)	Elong. (50 hli)	Reduc'n ntawm Cheeb Tsam *
2	485 – 620	310 min	22% min	–
1-1/4CR	515 – 690	310 min	22% min	–
1 CR	450 – 585	275 nqi	22% min	–
2-1/4CR, 5CR, 9CR	515 – 690	310 min	18% min	40% min
91	585 – 760	415 nqi	18% min	–

A691 Yeeb Nkab Tolerance

Sab nraud txoj kab uas hla	+/- 0.5%
Tawm ntawm roundness	Qhov sib txawv ntawm qhov loj thiab me me sab nraud diameters 1%.
Kev sib tw	Siv ib tug 10-ft 3m straightedge muab tso kom ob hnub nyob rau hauv kev sib cuag nrog cov yeeb nkab, 1/8in. 3mm ib.
Thickness	Qhov tsawg kawg nkaus phab ntsa thickness ntawm txhua qhov chaw hauv cov yeeb nkab yuav tsum tsis txhob ntau tshaj {{0}}.01 hauv 0.3mm raws li qhov nominal thickness.
Ntev	Lengths nrog unmachined kawg yuav tsum nyob rau hauv -0, +1/2 nti, 0 +13mm ntawm qhov teev. Ntev nrog machined kawg yuav tsum yog raws li kev pom zoo ntawm cov chaw tsim khoom thiab cov neeg yuav khoom.

GNEE A691 Carbon Pipe Case

Australia A691 Gr91 EFW Pipe Sab nraud txoj kab uas hla: 528mm ua Phab ntsa Thickness: 5mm ib Ntev: 12.6m	Indonesia ASTM A691 Qib CM65 EFW yeeb nkab Sab nraud txoj kab uas hla: 620 hli Phab ntsa Thickness: 10 hli Ntev: 12m	Philippines ASTM A691 Qib 1CR EFW Yeeb Nkab Sab nraud txoj kab uas hla: 5 20mm Phab ntsa Thickness: 8mm ib Ntev: 15m
Nyab Laj ASTM A691 5CR EFW Yeeb Nkab Sab nraud txoj kab uas hla: 6 10mm Phab ntsa Thickness: 12 hli Ntev: 12m	Chile ASTM A691 Qib 11 EFW Yeeb Nkab Sab nraud txoj kab uas hla: 480 hli Phab ntsa Thickness: 6mm ib Ntev: 16m	Thaib teb ASTM A691 Qib CMSH70 EFW yeeb nkab Sab nraud txoj kab uas hla: 5 10mm Phab ntsa Thickness: 12 hli Ntev: 12.6m

GNEE A691 Welded Carbon Pipe Ntim thiab Shipping

Hu rau tam sim no

 

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