TORICH Stainless Steel Clad Pipe for Structural Purposes

TORICH GB/T18704 Stainless Steel Clad Pipe for Structural Purposes

Standard: GB/T18704, GB/T222, GB/T223, GB/T228, GB/T242, GB/T244, GB/T246, GB/T700, GB/T912, GB/T2102, GB/T3280, GB/T12770, GB/T13793, GB/T11253

Material: Q195, Q215, Q235, 06Cr19Ni10, 12Cr18Ni9, 12Cr18Mn9Ni5N, 12Cr17MnNi5N

OD: 12.7-325mm

WT: 0.8-12mm

Usage: Structural  Purposes

Chemical  Composition:

Item	Code	Grade	Chemical  Composition%
			C	Si	Mn	P	S	Ni	Cr	N
1	S35350	12Cr17Mn6Ni5N	≤0.15	≤1.00	5.50-7.50	≤0.050	≤0.030	3.50-5.50	16.00-18.00	0.05-0.25
2	S35450	12Cr18Mn9Ni5N	≤0.15	≤1.00	7.50-10.0	≤0.050	≤0.030	4.00-6.00	17.00-19.00	0.05-0.25
3	S30210	12Cr18Ni9	≤0.15	≤1.00	≤2.00	≤0.045	≤0.030	8.00-10.00	17.00-19.00	≤0.10
4	S30408	06Cr19Ni10	≤0.08	≤1.00	≤2.00	≤0.045	≤0.030	8.00-11.00	18.00-20.00	-

Mechanical Property:

Item	Code	Grade	Yield Strength Mpa	Tensile Strength Mpa	Elongation%
			Min
1	S35350	12Cr17Mn6Ni5N	245	520	25
2	S35450	12Cr18Mn9Ni5N	245	520
3	S30210	12Cr18Ni9	210	520	30
4	S30408	06Cr19Ni10	210	520

 

Permissible Tolerance in OD:

Surface Delivery Status	Nominal Outside Diameter	Permissible Tolerance
SB,SP	≤25	±0.25
	>25-40	±0.30
	>40-50	±0.35
	>50-60	±0.40
	> 60-70	±0.50
	>70-80	±0.60
	>80	±1%D
SNB,SS	≤25	±0.30
	>25-50	±0.40
	>50	±1.0%D

 

Permissible Tolerance in WT:

WT(S)	Permissible Tolerance (high grade)	Permissible Tolerance (common grade)
≥0.8-2.0	±0.10	±0.20
>2.0-3.0	±0.15	±0.30
>3.0	±5%S	±10%S

Characteristic:

Good concentricity                     High Precision

Good surface quality                  Stable quality 

Good OD and ID tolerance         Smooth Roughness

Q: Are you trading company or manufacturer ?

A: A professional steel pipes materials inventor, manufacturer and solution provider

Q: How long is your delivery time?

A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
If you have another question, pls feel free to contact us 

TORICH GB/T18704 Stainless Steel Clad Pipe for Structural  Purposes