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GOST 9941-81 12X18H9T 12X18H10T 12X18H12T Cold Warm Deformed Seamless Tubes

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GOST 9941-81 12X18H9T 12X18H10T 12X18H12T Cold Warm Deformed Seamless Tubes

Name: GOST 994181 12X18H9T 12X18H10T 12X18H12T Cold Warm Deformed Seamless Tubes
Brand: YUHONG
Price: 1 USD

Wholesale GOST 9941-81 12X18H9T 12X18H10T 12X18H12T Cold Warm Deformed Seamless Tubes from china suppliers

Brand Name : YUHONG

Model Number : GOST 9941-81

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : China

MOQ : 500KGS

Price : Negotiable

Payment Terms : T/T, L/C AT SIGHT

Supply Ability : 1500tons/month

Delivery Time : Depends on quantity

Packaging Details : Ply-wooden Case /Iron Case/ Bundle with plastic Cap

Standard : GOST 9941-81

Material : 12X18H9T 12X18H10T 12X18H12T

Test : ET, HT, PT

Type : Welded

O.D. : 10- 114mm

W.T. : ≥1mm

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GOST 9941-81 12X18H9T 12X18H10T 12X18H12T Cold And Warm-Deformed Seamless Tubes

GOST 9941-81 is a standard that specifies the requirements for seamless steel tubes in Russia. This standard is used to ensure that the tubes meet specific criteria regarding their dimensions, tolerances, and technical requirements.

Seamless tubes, as described by GOST 9941-81, are typically used in high-pressure applications, such as in the oil and gas industry, power plants, and various industrial machinery where strength and durability are critical.

Outside Diameter & Tolerance

Outside Diameter, mm	Tolerance
Outside Diameter, mm	Normal	High	Higher
5≤OD≤10	±0.3mm	±0.2mm	±0.15mm
10＜OD≤30	±0.4mm	±0.3mm	±0.2mm
30＜OD≤95	±1.2%	±1.0%	±0.8%
OD>95	±1.0%	±1.0%	±0.8%

Wall thickness & Tolerance

Wall Thickness, mm	Tolerance
Wall Thickness, mm	Normal	High	Higher
0.2	±0.05mm	±0.03mm	–
0.3≤WT≤0.4	±0.07mm	±0.05mm	–
0.5≤WT≤0.6	±0.10mm	±0.07mm	–
0.7≤WT≤1	±0.15mm	±0.10mm	–
1＜WT≤3	+12.5/-15%	±12.5%	+12.5/-10%
3＜WT≤7	±12.5%	+12.5/-10%	±10%
WT>7	+12.5/-10%	±10%	–

Mechanical Properties

Steel grade	Point of maximum load δВ, N/mm2 (kgf/mm2)	Elongation δ5, %	Density ρ, g/cm3
Steel grade	No less than
08Х17Т	372 (38)	17	7.70
08Х13	372 (38)	22	7.70
12Х13	392 (40)	22	7.70
12Х17	441 (45)	17	7.70
15Х25Т	461 (47)	17	7.60
04Х18Н10	490 (50)	45	7.90
08Х20Н14С2	510 (52)	35	7.70
10Х17Н13М2Т	529 (54)	35	8.00
08Х18Н12Б	529 (54)	37	7.90
10Х23Н18	529 (54)	35	7.95
08Х18Н10	529 (54)	37	7.90
08Х18Н10Т	549 (56)	37	7.90
08Х18Н12Т	549 (56)	37	7.95
08Х17Н15М3Т	549 (56)	35	8.10
12Х18Н10Т	549 (56)	35	7.95
12Х18Н12Т	549 (56)	35	7.90
12Х18Н9	549 (56)	37	7.90
17Х18Н9	568 (58)	35	7.90
08Х22Н6Т	588 (60)	20	7.60
05ХН28МДТ	490 (50)	30	7.96

Appliacation

Heating exchanger

Water Supply Systems

Steel Plant

power Plant

Architectural Construction

paper & pulp industry

GOST 9941-81 12X18H9T 12X18H10T 12X18H12T Cold Warm Deformed Seamless Tubes

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