Stainless Steel 347/ 347H

Stainless Steel 347/ 347H BUSHING

• Gnee is a forged fittings manufactured in accordance with B16.11.
• Gnee is a fitting used to joint two threaded items of different size.

Stainless Steel 347/ 347H TEE

• TEE is a forged fitting used for splitting and changing flow direction of run pipe of 90° deg.
• It is available in two categories:
• EQUAL TEE is used if header and branch pipe have the same size
• REDUCED TEE is used if header and branch pipe have the different size
• Stainless Steel TEE can be manufactured with butt-weld extremities, socket extremities or threaded extremities.
• Dimensions of Stainless Steel TEE can be in accordance with ASME B16.9, MSS SP-75.
• Stainless Steel TEE can be manufactured on customer’s request with a special design.

Chemical Analysis

Weight % (all values are maximum unless a range is otherwise indicated)

Element	347	347H
Chromium	17.00 min.-19.00 max.	17.00 min.-19.00 max.
Nickel	9.00 min.-13.00 max.	9.00 min.-13.00 max.
Carbon	0.08	0.04 min.-0.10 max.
Manganese	2.00	2.00
Phosphorus	0.045	0.045
Sulfur	0.03	0.03
Silicon	0.75	0.75
Columbium & Tantalum	10 x (C + N) min.-1.00 max.	8 x (C + N) min.-1.00 max.
Iron	Balance	Balance

 

PHYSICAL PROPERTIES

Density: 0.288 lbs/in3 7.97 g/cm3 Electrical Resistivity: microhm-in (microhm-cm): 68 °F (20 °C): 28.7 (73)

Specific Heat: BTU/lb/°F (kJ/kg•K):
32 - 212 °F (0 - 100 °C): 0.12 (0.50)

Thermal Conductivity: BTU/hr/ft2/ft/°F (W/m•K):
At 212 °F (100 °C): 9.3 (16.0)
At 932 °F (500 °C): 12.8 (22.0)

Mean Coefficient of Thermal Expansion: in/in/°F (µm/m•K):
32 - 212 °F (0 - 100 °C): 9.3 x 10·6 (16.6)
32 - 1000 °F (0 - 538 °C): 10.5 x 10·6 (18.9)
32 - 1500 °F (0 - 873 °C): 11.4 x 10·6 (20.5)

Modulus of Elasticity: ksi (MPa):
28 x 103 (193 x 103) in tension
11 .2 x 103 (78 x 103) in torsion

Magnetic Permeability: H = 200 Oersteds: Annealed < 1.02 max
Melting Range: 2500 - 2550 °F (1371 - 1400 °C)

FAQ

Q:Are you trading company or manufacturer?
A:We are a trading company with more than 15 years experience in steel export business,have the long term cooperation with big mills in China.
Q:Will you delivery the goods on time?
A:Yes,we promise to provide best quality products and delivery on time.Honesty is our company's tenet.
Q:Do you provide samples?is it free or extra?
A:The sample could can provide for customer with free,but the courier freight will be covered by customer account.
Q:Do you accept the third party inspection?
A:Yes absolutely we accept.
Q:What are your main products?
A:Carbon steel,alloy steel,stainless steel plate/coil,pipe and fittings,sections etc.
Q：Can you accept the order of customzied?
A：Yes,we assure.