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Carbon Steel Heat Exchanger Tubes

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Payment Type:

L/C,T/T,D/P,Paypal,Money Gram,Western Union

Incoterm:

FOB,CFR,CIF,FCA,CPT

Min. Order:

5 Ton

Transportation:

Ocean,Land,Air

Port:

Shanghai,Ningbo,Foshan

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Product Description

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery

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Overview

Product Attributes

Model No.: GB/T 18984

Brand: TORICH

Type: Welded

Certification: UL

Application: Fluid Pipe

Section Shape: Round

Surface Treatment: Oiled

Usage: Pipeline Transport

Technique: Cold Drawn

Material: 16MnDG , 10MnDG , 09DG

Length: 4-12M

OD: 4-1200mm

WT: 0.3-200mm

Product Name: GB/T 18984 Carbon Steel Heat Exchanger

Supply Ability & Additional Information

Packaging: Anti Rust Oil Protection, in seaworthy packing material, in hexagonal bundles or in wooden box

Productivity: 40000 ton per year

Transportation: Ocean,Land,Air

Place of Origin: Zhejiang,China

Supply Ability: 50000 ton per year

Certificate: ISO 9001:2008 ISO 14001:2008 TS 16949

HS Code: 7304191000

Port: Shanghai,Ningbo,Foshan

Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union

Incoterm: FOB,CFR,CIF,FCA,CPT

Packaging & Delivery

Selling Units:: Ton

Package Type:: Anti Rust Oil Protection, in seaworthy packing material, in hexagonal bundles or in wooden box

GB/T 18984 Seamless Steel Tubes for Low-Temperature Service Piping

Spec:
Material:16MnDG , 10MnDG , 09DG
Size Range:OD:4-1200mm
WT:0.3-200mm
General Length:4-12m
Tolerance:
According to the following tables or customers` request.

Permissible deviation tolerance of OD and WT

Classification	Steel size		Permissible tolerance
W-H	OD	＜351	±1.0%D
	OD	≥351	±1.25%D
	WT	≤25	±12.5%S
W-C	OD	≤30	±0.20
		＞30~50	±0.30
		＞50	±0.75%D
	WT	≤3	+12.5%S -10%S
	WT	＞3	±10%S

Steel grade and chemical composition

Steel grade	Chemical composition/%
Steel grade	C	Si	Mn	P	S	Ni	Mo	V
16MnDG	0.12~0.20	0.20~0.55	1.20~1.60	≤0.025	≤0.025	-	-	-
10MnDG	≤0.13	0.17~0.37	≤1.35	≤0.025	≤0.025	-	-	≤0.07
09DG	≤0.12	0.17~0.37	≤0.95	≤0.025	≤0.025	-	-	≤0.07
09Mn2VDG	≤0.12	0.17~0.37	≤1.85	≤0.025	≤0.025	-	-	≤0.12
06Ni3MoDG	≤0.08	0.17~0.37	≤0.85	≤0.025	≤0.025	-	-	≤0.05

Longitudinal mechanical properties of steel tubes

Steel grade	Tensile strength / MPa	Lower yield strength R_p0.2/MPa		Elongation A/%
		S≤16mm	S＞16mm	Sample 1	Sample 2	Sample 3
16MnDG	490~665	≥325	≥315	≥30
10MnDG	≥400	≥240		≥35
09DG	≥385	≥210		≥30
09Mn2VDG	≥450	≥300		≥30
06Ni3MoDG	≥455	≥250		≥30