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Carbon Round Stainless Steel Welded Pipe For Low Temperature Service

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Carbon Round Stainless Steel Welded Pipe For Low Temperature Service

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Brand Name :	TORICH
Model Number :	Astm A334
Certification :	ISO9001 ISO 14001
Price :	negotiable
Payment Terms :	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :	50000Tons/Year
Delivery Time :	30days

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Carbon Round Stainless Steel Welded Pipe For Low Temperature Service

ORICH ASTM A334 Seamless Carbon Steel Tubes For Low Temperature Service

Standard:	ASTM A334, GB/T 18984, JIS G3460, JIS G 3464	Shape:	Round Shape
Production Process:	Cold Roll, Cold Drawn, Hot Roll, Thermal Expansion	OD:	3.2-500mm
WT:	0.5-30mm	Usage:	Low Temperature Pressure Vessel Pipe And Heat Exchanger Pipe

Material: 20#.45#.

Standard: ASTM A334, GB/T 18984, JIS G3460, JIS G 3464

Classification and code

The seamless steel tubes produced by this standard are divided into two types according to the processing methods of the products.

Hot rolled (expanded) steel tube WH

Cold drawn (rolled) steel pipe WC

Delivery state: Delivery of steel tubes in a normalizing state.

usage: This standard is applicable to low temperature pressure vessel pipe and heat exchanger pipe.

Characteristic: TEST:

Good concentricity Tension Test

Good surface quality Flattening Test

Good OD and ID tolerance Flare Test

High Precision Hardess Test

Stable quality Impact test

Smooth Roughness

TORICH QUALITY ASSURANCE

Steel grade and chemical composition

Steel grade	Chemical composition/%
Steel grade	C	Si	Mn	P	S	Ni	Mo	Co	Cu
Grade 1	≤0.30	—	0.40-1.06	≤0.025	≤0.025	—	—	—	—
Grade 3	≤0.19	0.18~0.37	0.31-0.64	≤0.025	≤0.025	3.18-3.82	—	—	—
Grade 6	≤0.30	0.10min	0.29-1.06	≤0.025	≤0.025	—	—	—	—
Grade 7	≤0.19	0.13~0.32	≤0.90	≤0.025	≤0.025	2.03-2.57	—	—	—
Grade 8	≤0.13	0.13~0.32	≤0.90	≤0.025	≤0.025	8.40-9.60	—	—	—
Grade 9	≤0.20	—	0.40-1.06	≤0.025	≤0.025	1.60-2.24	—	—	0.75-1.25
Grade 11	≤0.10	≤0.35	≤0.60	≤0.025	≤0.025	35.0-37.0	≤0.50	≤0.50	—

This tube is used for high pressure boilers. The seamless high pressure boiler tube is produced with the method of Hot Rolling(Extrusion), Cold Drawn or Cold Rolled, according to the Chinese standard GB 5310-1995.

GB5310-1995, one kind of seamless steel tubes, mainly used to manufacture high pressure steam boiler and above pipelines with high-quality carbon steel, alloy steel and heat-resistant seamless stainless steel tubes.

Feature of seamless high pressure boiler tube: Persistent high strength, high oxidation resistance, good organizational stability

Application of the seamless boiler tube: For high pressure boilers.

Produce method for high pressure boiler tube: Hot rolling(extrusion), cold drawn, cold rolled.

The seamless carbon high pressure boiler tubes material:

10#/20#/Q345/20G/15MnG/20MnG/15MoG/20MoG/16Mn/15CrMo/15CrMoG/12Cr1MoV/12Cr1MoVG/Cr5Mo/10CrMo910 and so on.

The boiler tubes often work in high temperature and high pressure, pipe in high temperature smoke and steam will meet oxidation and corrosion, thus it requires a durable steel Persistent high strength, high oxidation resistance, good organizational stability.

Seamless high-pressure boiler pipe: for the manufacture of a variety of high pressure boiler superheated steam pipes, boiling water pipe, water wall tubes and superheated steam locomotive boiler tubes, small pipe and brick arch tubes. (Dial) seamless steel pipe with high quality carbon structural steel hot or cold. 20# steel is mainly used, in addition to chemical composition and mechanical properties will do hydrostatic testing, curling, flaring, flattening and other tests. State of delivery hot rolled, cold-rolled (dial) to heat treatment delivery.

Carbon Round Stainless Steel Welded Pipe For Low Temperature Service

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