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GB 28884 Seamless Steel Tubes for Gas Cylinder

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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 28884

Brand: TORICH

Type: Seamless

Certification: UL

Application: Hydraulic Pipe

Section Shape: Round

Surface Treatment: Oiled

Usage: Special Purpose

Technique: Cold Drawn

Material: Alloy Steel

Length: 4-12M

OD: 80-1200mm

WT: 4-100mm

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

300L~3000L Seamless Steel Tubes for Large Volume Gas Cylinder GB 28884

SPEC:

Material:30CrMoE 42CrMoE 4130X 4142

Size Range:OD:80-1200mm

WT:4-100mm

General Length:4-12m

Tolerance:

According to the following tables or customers` request.

Category	Size	Tolerance
Outside Diameter(D)	-	±1%D
Minimum Wall Thickness(Smin)	D≤559	+25%Smin 0
Minimum Wall Thickness(Smin)	D>559	+27.5%Smin 0
Wall Thickness(S)	D≤559	+12.5%S -10%S
Wall Thickness(S)	D>559	±12.5%S

Mechanical Properties:

Steel	Tensile Strength	Lower yield strength or specified plasticity elongation	percentage elongation after fracture	Yield ratio	Hardness	-40℃ Shock absorption energy
Grade					HBW	KV2/
	Ra /	ReL or Rp0.2a /	A50mma/	(ReL/Ra orRp0.2/Ra)/%		J
	MPa	MPa	%			Average	Single Sample
30CrMoEb	≥720	≥485	≥20	≤86	≤269	≥40	≥32
42CrMoEc	≥930	≥760	≥16	-	≤330	≥40	≥32
Grade 30CrMoE mechanical property is equivanlent to 4130X
Grade 42CrMoE mechanical property is equivanlent to 4142

Chemical Compositions:

Steel Grade	Tensile Strength Ra / MPa	Lower yield strength or specified plasticity elongation ReL or Rp0.2a / MPa	percentage elongation after fracture A50mma/ %	yield ratio (ReL/Ra or Rp0.2/Ra)/ %	Hardness HBW	-10℃Shock absorption energy KV2/ J
Steel Grade	Tensile Strength Ra / MPa		percentage elongation after fracture A50mma/ %	yield ratio (ReL/Ra or Rp0.2/Ra)/ %	Hardness HBW	Average	Single Sample
30CrMoEb	≥720	≥485	≥20	≤86	≤269	≥40	≥32
42CrMoEc	≥930	≥760	≥16	-	≤330	≥40	≥32