ER70S-A1, ER80S-B2, ER70S-BL2, ER90S-B3, ER80S-B3L, ER80S-B6a, ER80S-B8b, ER90S-B9,
ER80S-Ni1, ER80S-Ni2, ER80S-Ni3, ER80S-D2, ER90S-D2, ER80S-G, ER90S-G, ER100S-1,
ER110S-1, ER120S-1, 4130, 4340

Product Identification:

Deposited Chemical Composition % (Typical)

AWS A5.28 : ER80S-B8

Product Specification:

AWS A5.28, AISI 4130, AISI 4340

AWS Chemical Composition Requirements

Application

C = 0.10 max Ni = 0.50 max
Mn = 0.40 - 0.70 Cr = 8.00 – 10.50
Si = 0.50 max Mo = 0.80 – 1.20
P = 0.025 max Cu = 0.35 max
S = 0.025 max Other = 0.50 max

C = 0.08 P = 0.015 Cr = 9.50
Mn = 0.55 S = 0.006 Mo = 1.00
Si = 0.004 Ni = 0.40 Cu = 0.18

This classification contains 8% – 10.5% chromium and about 1% molybdenum. Material is used to weld base material of similarcomposition, for high temperature service applications. 350º F min preheat, inter-pass are recommended.

Classification in accordance with GHS-US

Skin Sens. 1          H317

Carc. 1B                 H350

STOT RE 1             H372

Description of first aid measures:

First-aid measures after inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.Get medical attention.

First-aid measures after skin contact: Flush with water for at least 15 minutes. Seek medical attention if irritation develops or persists.

First-aid measures after eye contact: Immediately flush eyes with water and continue washing for at least 15 minutes. Obtain medical
attention if discomfort persists.
First-aid measures after ingestion: Do NOT induce vomiting. Get immediate medical attention.

Deposited Mechanical Properties (S.R.)1575º F for (2) Hours

Tensile Strength                  79,000 psi
Yield Strength                     63,500 psi
Elongation                            29%